Single Phase Motor AC Motor Starters
Reviewed by: Jon Lowy, consulting engineer
Description
Single-phase AC motor starters are devices used to initiate the operation of single-phase induction motors. They provide the necessary control to start the motor by supplying the appropriate voltage and current to the motor windings. These starters often include mechanisms to protect the motor from overload conditions and ensure safe operation.
Working Principle
Single-phase AC motor starters work by initially energizing both the main and auxiliary windings of the motor. When the supply voltage is applied, the current in the main winding lags the supply voltage due to its impedance, while the current in the start winding either leads or lags depending on the starting mechanism's impedance. The interaction between the magnetic fields generated by these windings creates a resultant magnetic field that rotates in one direction, causing the motor to start rotating. Once the motor reaches approximately 75% of its rated speed, a centrifugal switch disconnects the start winding, allowing the motor to continue operating on the main winding alone. This mechanism ensures that the motor develops sufficient torque to start and maintain its operation.
Applications
Single-phase AC motor starters are commonly used in various applications where three-phase power is not available or practical. Specific examples include:
- Household appliances such as washing machines and refrigerators.
- Small industrial machines like drills and lathes.
- HVAC systems, including air conditioners and fans.
- Agricultural equipment such as small pumps and compressors.
Advantages over other AC Motor Starters
Single-phase AC motor starters offer several advantages over other types of motor starters:
- Simplicity and Cost-Effectiveness: They are generally simpler and less expensive to install and maintain compared to three-phase motor starters.
- Versatility: Suitable for a wide range of small power applications where three-phase power is not available.
- Ruggedness: They are robust and can withstand various operating conditions, making them reliable for domestic and light industrial use.
Limitations
Despite their advantages, single-phase AC motor starters have some limitations:
- Lower Efficiency: They are typically less efficient than three-phase motors, leading to higher energy consumption.
- Size and Weight: Single-phase motors are generally larger and heavier than their three-phase counterparts for the same power rating.
- Starting Mechanism Vulnerability: The starting mechanism, such as the centrifugal switch, can be a point of failure, reducing the overall reliability of the motor.
Considerations
When selecting and using single-phase AC motor starters, several factors should be considered:
- Initial Costs: Single-phase motor starters are generally less expensive than three-phase starters, but the cost can vary depending on the specific type and features.
- Operating Expense: Due to their lower efficiency, single-phase motors may result in higher operating costs over time.
- Durability: While robust, the starting mechanism can be a point of failure, so regular maintenance is essential to ensure longevity.
- Accuracy: The performance of single-phase motors can be less precise compared to three-phase motors, which may be a consideration for applications requiring high accuracy.
- Replacement and Maintenance Costs: The need for periodic maintenance of the starting mechanism and potential replacement of components like the centrifugal switch should be factored into the overall cost of ownership.
from RS Components, Ltd.
6KW Enclosed Soft Start with Bypass Cont [See More]
- AC Motor Phase: Single
- Motor Voltage: 230
- Continuous Current: 0.0200
- Single Phase Power: 8.04
from Radwell International
DISCONTINUED BY MANUFACTURER, COMBINATION STARTER, RELAY, 35A, 115-230 VAC, 1 PHASE, 1-3 HP, 230-575 VAC, 3 PHASE, 5-15 HP. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 230 to 575
from Altech Corp.
Features: 8 Frame Sizes. 1/2HP up to 600HP @ 480V AC. Direct Mounting Overload Relays. Degree of protection:IP20. Flame Resistance:According to UL948 [See More]
- AC Motor Phase: Single
- Device Technology: Electro-mechanical
- Standard Rating: IEC
- Continuous Current: 0.1600
from RS Components, Ltd.
reversing starter [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 48 to 500
- Continuous Current: 3
- Single Phase Power: 1.47
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACTOR, 1POLE, 600VAC, 28AMP, ENCLOSED, 20AMP OPEN, NEMA SIZE 0, 115VAC COIL, SINGLE PHASE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Number of Poles: 1
- Standard Rating: NEMA
from RS Components, Ltd.
faile safe direct on-line starter [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 48 to 500
- Continuous Current: 3
- Single Phase Power: 1.47
from Radwell International
DISCONTINUED BY MANUFACTURER,MANUAL MOTOR STARTER,SIZE 1-1/2,1 PHASE,115VAC,208-230VAC,NEMA 1 ENCLOSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- NEMA Size: 1
- Standard Rating: NEMA
from RS Components, Ltd.
faile safe direct on-line starter [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 48 to 500
- Continuous Current: 9
- Single Phase Power: 5.36
from Radwell International
DISCONTINUED BY MANUFACTURER, SOLID STATE CONTACTOR, 15AMP, 480VAC MAX, 1 PHASE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Device Technology: Solid State
from RS Components, Ltd.
Direct online SIL starter, TeSys island, [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 690
- Continuous Current: 65 to 80
- Single Phase Power: 49.59
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACTOR, 110 VAC COIL, 3 POLE, OPEN ENCLOSURE, NEMA SIZE 0, SINGLE PHASE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Motor Voltage: 110
- Standard Rating: NEMA
- Number of Poles: 3
from RS Components, Ltd.
Direct online SIL starter, TeSys island, [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 690
- Continuous Current: 9 to 15
- Single Phase Power: 7.37
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACTOR, NON-REVERSING, 110/120VAC COIL, 50/60HZ, W/ SURGE SUPPRESSOR, SINGLE PHASE, 3 POLE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Number of Poles: 3
from RS Components, Ltd.
Direct online starter, TeSys island, 80A [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 690
- Continuous Current: 65 to 80
- Single Phase Power: 49.59
from Radwell International
DISCONTINUED BY MANUFACTURER 2019-03-30, SAFETY CONTACTOR, 1-1000 VAC, 12 KV, 250 AMP, 3 PHASE, 15/30 1 PHASE HP, 40/50/100/125 3 PHASE HP, 3 POLE, NON-REVERSING, IEC, MOUNTABLE, OPEN STYLE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 250
- Standard Rating: IEC
- Motor Voltage: 1000
from RS Components, Ltd.
1phase snatch free softstart module2.2kW [See More]
- AC Motor Phase: Single
- Motor Voltage: 230
- Continuous Current: 12
- Single Phase Power: 2.95
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACTOR, STANDARD, SOLID STATE, 20AMP, LINE VOLTAGE 24-230VAC, CONTROL VOLTAGE 24-275V AC, 24.48 V DC, SINGLE PHASE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Device Technology: Solid State
from RS Components, Ltd.
SOFT STARTER 3.0 KW [See More]
- AC Motor Phase: Single
- Single Phase Power: 2.01 to 4.02
- Motor Voltage: 230 to 400
- Three Phase Power: 2.01 to 4.02
from Radwell International
DISCONTINUED BY MANUFACTURER, STANDARD SOLID STATE CONTACTOR, SINGLE PHASE, 45 AMPS, 24-230 VAC LINE VOLTAGE, 5-24 VDC CONTROL VOLTAGE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Continuous Current: 45
- Device Technology: Solid State
- Motor Voltage: 230
from RS Components, Ltd.
SOFT STARTER IL9017 [See More]
- AC Motor Phase: Single
- Motor Voltage: 230
- Continuous Current: 10
- Single Phase Power: 2.01
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACTOR, NON-REVERSING, 300 AMP AT 3 PHASE, 315 AMP AT SINGLE PHASE, 2 POLE, 110/120 VAC COIL, 50/60 HZ, 1 AUXILIARY CONTACT. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 120
- Continuous Current: 300 to 315
- Number of Poles: 2
from RS Components, Ltd.
SSC-25 soft start control module [See More]
- AC Motor Phase: Single
- Motor Voltage: 230
- Continuous Current: 25
from Radwell International
AC CONTACTOR, BULLETIN 7707 TM, NON-REVERSING, OPEN TYPE, 1 POLE, SINGLE PHASE, NEMA SIZE 1, 27 AMPS CONTINUOUS, 110 VAC 50 HZ / 110-120 VAC 60 HZ COIL. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Continuous Current: 27
- Standard Rating: NEMA
- Motor Voltage: 110 to 120
from RS Components, Ltd.
MoellerD4E/12motor starter,400Vac 0.75kW [See More]
- AC Motor Phase: Single
- Single Phase Power: 1.01
- Motor Voltage: 400
- Three Phase Power: 1.01
from Radwell International
CONTACTOR, ELECTROMECHANICAL, IP67 / IP69K, DC TYPE, RELAY / 1 FORM X / SPST-NO-DM, 150 AMP, SINGLE PHASE, SINGLE POLE, 800 VDC, COIL / 600 MA / 12 VDCFLYING LEAD TERMINATION. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Continuous Current: 150
- Device Technology: Electro-mechanical
- Control Voltage: 12 to 800
from RS Components, Ltd.
1PH SOFTSTART 230V 32A+AUX RELAY SC-240 [See More]
- AC Motor Phase: Single
- Motor Voltage: 230
- Continuous Current: 32
- Single Phase Power: 5.9
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACTOR, MERCURY, 60 AMP ,120 VAC COIL, 50/60 HZ, 1 PHASE, 2 POLE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Motor Voltage: 120
- Continuous Current: 60
- Number of Poles: 2
from RS Components, Ltd.
single phase motor control unit,24Vdc [See More]
- AC Motor Phase: Single
- Single Phase Power: 10.05
- Motor Voltage: 690
- Three Phase Power: 10.05
from Radwell International
ELECTRONIC CONTACTOR, SINGLE PHASE, 15 AMP, 480VAC. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Continuous Current: 15
from RS Components, Ltd.
Soft Starter 25A 110 48V [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 110 to 480
- Continuous Current: 25
- Single Phase Power: 14.74
from Radwell International
CONTACTOR, 3 POLE, 110-120 VAC, 50/60 HZ, 60 AMPS, 20-30 HP AT 3 PHASE, 7.5 HP AT SINGLE PHASE, DEFINITE PURPOSE (DP). FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 120
- Continuous Current: 60
- Number of Poles: 3
from RS Components, Ltd.
240V SINGLE PHASE 5.5-8A (0.75KW MOTOR) [See More]
- AC Motor Phase: Single
- Motor Voltage: 240
- Continuous Current: 5.5 to 8
- Single Phase Power: 1.01
from Radwell International
DISCONTINUED BY MANUFACTURER, SOLID-STATE CONTACTOR, SINGLE PHASE, 15-30AMP, 600VAC, 4-32VDC, 2297154, REPLACED BY 2297154. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
from RS Components, Ltd.
240V SINGLE PHASE 7-10A (1.1KW MOTOR) [See More]
- AC Motor Phase: Single
- Motor Voltage: 240
- Continuous Current: 7 to 10
- Single Phase Power: 1.47
from Radwell International
POWER CONTACTOR, 3 POLE, 1 PHASE, 275 AMP, 690 VAC RATED, COIL: 220-240 VAC (50-60 HZ), 2 NO + 2 NC AUXILIARY CONTACTS. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Motor Voltage: 240 to 690
- Continuous Current: 275
- Number of Poles: 3
from RS Components, Ltd.
240V SINGLE PHASE 13-18A (2.2KW MOTOR) [See More]
- AC Motor Phase: Single
- Single Phase Power: 2.95
- Motor Voltage: 240
- Three Phase Power: 2.95
from Radwell International
CONTACTOR, NEMA CONTROLLER SIZE 3 1/2, SINGLE PHASE, 2-POLE, MAXIMUM VOLTAGE RATING 240VAC, 115A, NON-REVERSNG. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Standard Rating: NEMA
from RS Components, Ltd.
240V SINGLE PHASE 10-13A (1.5KW MOTOR) [See More]
- AC Motor Phase: Single
- Motor Voltage: 240
- Continuous Current: 10 to 13
- Single Phase Power: 2.01
from Radwell International
CONTACTOR,110-120/220-240 VAC, 50/60 HZ, 1 PHASE, 2 POLE, 115 AMP ENCLOSURE, 125 AMP OPEN. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Motor Voltage: 240
- Continuous Current: 115 to 125
- Number of Poles: 2
from Radwell International
CONTACTOR, MAGNETIC, 2 POLE, 1 PHASE, 25 AMP, 600 VAC, 50 / 60 HZ, SCREW TERMINAL, SCREW MOUNTING. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Motor Voltage: 600
- Continuous Current: 25
- Number of Poles: 2
from Radwell International
CONTACTOR, 25-35 AMP, 3 POLE, 110-120 VAC, 3 HP, 50/60 HZ, 1 PHASE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Motor Voltage: 120
- Continuous Current: 35
- Number of Poles: 3
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACTOR, 40-150 AMP, 230/240 VAC, 50/60 HZ, 30 HP/230 V THREE PHASE, 15 HP/230 V SINGLE PHASE, 3 POLES, DIN RAIL MOUNT, SCREW TERMINAL, TOP MOUNTED AUXILIARY OPTION, (239402). FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 240
- Continuous Current: 150
- Number of Poles: 3
from Radwell International
DEFINITE PURPOSE CONTACTOR, 2 POLE, 2 N/O, 30 AMP, 110/120 VAC, 50/60 HZ, SINGLE PHASE, 2 HP MAX, 1.5 KW MAX. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Motor Voltage: 120
- Continuous Current: 30
- Number of Poles: 2
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACTOR, 15 AMP, 230VAC, 1 PHASE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single
- Continuous Current: 15
from Radwell International
3 POLE, 415 COIL VAC AT 50 HZ, 480 COIL VAC AT 60 HZ, 20 AMP, NONREVERSIBLE OPEN ENCLOSURE IEC CONTACTOR 1 PHASE HP: 0.5 AT 115 V, 1 AT 200 V, 1.5 AT 230 V, 3 PHASE HP: 3 AT 200 V, 3 AT 230 V, 5 AT 460 V, 7.5 AT 575 V, 9 AMP INDUCTIVE LOAD RATING LISTE. FREE 2 YEAR RADWELL WARRANTY [See More]
- AC Motor Phase: Single; Three
- IEC Size: C
- Standard Rating: IEC
- Continuous Current: 9 to 20
from Selectric, Inc.
NEMA 3R enclosure, fused control circuit, lockable handle [See More]
- AC Motor Phase: Single
- Device Technology: Electro-mechanical
- Standard Rating: NEMA
- NEMA Size: 3
from Appleton Electric
MOTOR PROTECTOR, NON-REVERSING TYPE. NEMA 1 SIZE. NEMA 3/3R/7CD ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 3 POLES. 7-1/2 HP AT 200 TO 230 VOLT AC, 10 HP AT 380 TO 575 VOLT AC (POLY PHASE) 1 PHASE HP/VOLTS. PUSHBUTTON OPERATOR. ENCLOSURE MATERIAL CAST ALUMINUM. SHAFT/BUSHING/COVER/BOLT MATERIAL... [See More]
- AC Motor Phase: Single
- NEMA Size: 1; 3; 7
- Standard Rating: NEMA
- Number of Poles: 3
from Danfoss A/S
A comprehensive solution for soft starting and stopping of three-phase asynchronous motors that increases uptime and reduces maintenance requirements. By integrating soft starters with AC motors, you can save energy, space and costs and increase the lifetime of your system by reducing wear on... [See More]
- AC Motor Phase: Single; Three
- Motor Voltage: 200 to 690
- Device Technology: Solid State
- Three Phase Power: 0.1340 to 1139
from CARLO GAVAZZI Automation Components
The CGP is a series of enclosed starters for single and three phase electric motors up to 00 Hp. They include an integrated thermal overload and are available in a Nema 4 metallic enclosure. We offer a broad range of control and pilot lights to meet your application needs. In addition, we also offer... [See More]
- AC Motor Phase: Single; Three
- IEC Size: A; B; C; D; E
- Standard Rating: IEC
- Motor Voltage: 120 to 600
from GIGAVAC
Chassis level UL508 sized power terminals – No need for specially routed power cables, special bus bars, or special lugs. Rugged EPIC ® Seal rated to 175 °C – Reduced risk of fire or meltdown in over current conditions. The same technology used for advanced aerospace programs. [See More]
- AC Motor Phase: Single
- Continuous Current: 150
- Device Technology: Electro-mechanical
- Motor Voltage: 12 to 800
from Eaton Corporation
MAGNETIC TYPE. NEMA 1 ENCLOSURE TYPE. 104 TO 120 VAC AT 50/60 HZ COIL VOLTAGE. COMMON CONTROL TYPE. 25 AMPERE MOTOR FLA. 2 HP AT 115 V, 3 HP AT 230 V POWER RATING/VOLTAGE. BIMETALLIC AMBIENT TEMPERATURE COMPENSATED 1NO-1NC AUTOMATIC/MANUAL RESET CLASS 10/20 OVERLOADS. 1 PHASE. APPROVAL UL, CSA. [See More]
- AC Motor Phase: Single
- Single Phase Power: 2 to 3
- Motor Voltage: 104 to 120
- Three Phase Power: 2 to 3
from Joyce/Dayton Corp.
Joyce/Dayton offers standard motor starter controls for one-third to 15 horsepower motors in a variety of voltages. These motor starters are the heart of basic control systems for motorized jacks, actuators, electric cylinders, and ComDRIVE ® systems. They include extend and retract push buttons... [See More]
- AC Motor Phase: Single; Three
- NEMA Size: 4
- Standard Rating: NEMA
- Motor Voltage: 200 to 575
from WorldWide Electric Corporation
* 24 Volt coil available for all ratings [See More]
- AC Motor Phase: Single
- Single Phase Power: 0.5000
- Continuous Current: 4.9
- Control Voltage: 230
from Appleton Electric
NEMA 3/3R/7CD/9EFG ENCLOSURE TYPE. 1 POLES. 1 HP AT 115 TO 230 VAC 1 PHASE HP/VOLTS. APPLETON. BRAND. CONDUIT ENTRY DEAD END. HUB SIZE 1 INCH. NUMBER OF GANG 1. MOTOR STARTER MANUFACTURED BY ALLEN-BRADLEY AUTOMATION SYSTEM. EDS MODEL [See More]
- AC Motor Phase: Single
- NEMA Size: 3; 7; 9
- Standard Rating: NEMA
- Number of Poles: 1
from CARLO GAVAZZI Automation Components
CARLO GAVAZZI has launched the HDMS Series, a single-phase motor soft-starter. It is an ideal solution for systems used in areas with weak power grids. Its unique design and control algorithm eliminate the need for a traditional start capacitor, effectively increasing reliability. This same... [See More]
- AC Motor Phase: Single
- Operating Temperature: -4 to 149
- Motor Voltage: 110 to 230
from GIGAVAC
Chassis level UL508 sized power terminals – No need for specially routed power cables, special bus bars, or special lugs. Rugged EPIC ® Seal rated to 175 °C – Reduced risk of fire or meltdown in over current conditions. The same technology used for advanced aerospace programs. [See More]
- AC Motor Phase: Single
- Continuous Current: 225
- Device Technology: Electro-mechanical
- Motor Voltage: 12 to 800
from Eaton Corporation
MAGNETIC TYPE. OPEN ENCLOSURE TYPE. 104 TO 120 VAC AT 50/60 HZ COIL VOLTAGE. COMMON CONTROL TYPE. 25 AMPERE MOTOR FLA. 2 HP AT 115 V, 3 HP AT 230 V POWER RATING/VOLTAGE. BIMETALLIC AMBIENT TEMPERATURE COMPENSATED 1NO-1NC AUTOMATIC/MANUAL RESET CLASS 10/20 OVERLOADS. 1 PHASE. APPROVAL UL, CSA. LOCKED... [See More]
- AC Motor Phase: Single
- Single Phase Power: 2 to 3
- Motor Voltage: 104 to 120
- Three Phase Power: 2 to 3
from WorldWide Electric Corporation
Ambient compensated bimetal overload protection. Rugged industrial design. Half sizes for cost & space savings. Dual voltage, dual frequency coils. Large silver cadmium contacts. Wide range of accessories. Easy coil access. Overload test feature. Gravity dropout. Applications. Heavy Duty Motor... [See More]
- AC Motor Phase: Single
- NEMA Size: 00
- Standard Rating: NEMA
- Continuous Current: 9
from Appleton Electric
NEMA 3/7CD/9EFG ENCLOSURE TYPE. 2 POLES. 2 HP AT 115 TO 230 VAC 1 PHASE HP/VOLTS. CONTENDER[T] BRAND. CONDUIT ENTRY DEAD END. DC POWER RATING 3/4 HP AT 115/230 VDC. HUB SIZE 1/2 INCH. NUMBER OF GANG 1. MOTOR STARTER MANUFACTURED BY ALLEN-BRADLEY AUTOMATION SYSTEM. EDS MODEL [See More]
- AC Motor Phase: Single
- NEMA Size: 3; 7; 9
- Standard Rating: NEMA
- Number of Poles: 2
from CARLO GAVAZZI Automation Components
This motor controller, intended to be used with single-phase scroll compressors can limit inrush currents to 40AACrms for RSBS2325A2V.2C24 and 45AACrms for RSBS2332A2V.2C24. Upon applying the control signal, soft starting is achieved within a 600ms interval. At the end of the soft-start function,... [See More]
- AC Motor Phase: Single
- Motor Voltage: 230
- Continuous Current: 25 to 32
- Operating Temperature: -4 to 149
from GIGAVAC
Chassis level UL508 sized power terminals – No need for specially routed power cables, special bus bars, or special lugs. Rugged EPIC ® Seal rated to 175 °C – Reduced risk of fire or meltdown in over current conditions. The same technology used for advanced aerospace programs. [See More]
- AC Motor Phase: Single
- Continuous Current: 350
- Device Technology: Electro-mechanical
- Motor Voltage: 12 to 800
from Eaton Corporation
NON REVERSING TYPE. IEC A SIZE. 7 AMPERE (UL), 20 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN, DIN RAIL MOUNT ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 1.1 KW AT 220 V 3 PHASE, 2.2 KW AT 380/415/440 V 3 PHASE, 4 KW AT 500/550 V 3 PHASE, 1.5 KW... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 7 to 20
- IEC Size: A
- Motor Voltage: 110 to 120
from WorldWide Electric Corporation
ON/OFF rotary handle with lockout and visible trip indication. Adjustment dial for setting to motor FLA (standards only). Low voltage protection (LVP) option. Short circuit trip at 13 times the maximum setting of the FLA dial or rated current. Ambient compensated up to 140 °F. Phase loss... [See More]
- AC Motor Phase: Single; Three
from Appleton Electric
NEMA 3/3R/7CD/9EFG ENCLOSURE TYPE. 1 POLES. 1 HP AT 115 TO 230 VAC 1 PHASE HP/VOLTS. APPLETON. BRAND. CONDUIT ENTRY DEAD END. HUB SIZE 1 INCH. NUMBER OF GANG 2. MOTOR STARTER MANUFACTURED BY ALLEN-BRADLEY AUTOMATION SYSTEM. EDS MODEL [See More]
- AC Motor Phase: Single
- NEMA Size: 3; 7; 9
- Standard Rating: NEMA
- Number of Poles: 1
from CARLO GAVAZZI Automation Components
The RGTS Series is a fully solid state solution. Wire bonding technology reduces the thermal and mechanical stresses of the output chips resulting in a longer lifetime compared to other assembled technologies or electro-mechanical solutions. The RGTS is a very simple soft starter requiring just two... [See More]
- AC Motor Phase: Single
- Continuous Current: 25
- Device Technology: Electro-mechanical
- Motor Voltage: 24 to 240
from GIGAVAC
Chassis level power terminals – No need for specially routed power cables, special bus bars, or special lugs. Rugged EPIC ® Seal rated to 175 °C – Reduced risk of fire or meltdown in over current conditions. The same technology used for advanced aerospace programs. Hermetically... [See More]
- AC Motor Phase: Single
- Continuous Current: 600
- Device Technology: Electro-mechanical
- Motor Voltage: 12 to 800
from Eaton Corporation
NON REVERSING TYPE. IEC C SIZE. 12 AMPERE (UL), 20 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN, DIN RAIL MOUNT ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 2.2 KW AT 220 V 3 PHASE, 5.5 KW AT 380/415/440 V 3 PHASE, 7.5 KW AT 500/550 V 3 PHASE, 4 KW... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 12 to 20
- IEC Size: C
- Motor Voltage: 110 to 120
from Appleton Electric
NEMA 3/7CD/9EFG ENCLOSURE TYPE. 2 POLES. 2 HP AT 115 TO 230 VAC 1 PHASE HP/VOLTS. CONTENDER[T] BRAND. CONDUIT ENTRY DEAD END. DC POWER RATING 3/4 HP AT 115/230 VDC. HUB SIZE 3/4 INCH. NUMBER OF GANG 2. MOTOR STARTER MANUFACTURED BY ALLEN-BRADLEY AUTOMATION SYSTEM. EDS MODEL [See More]
- AC Motor Phase: Single
- NEMA Size: 3; 7; 9
- Standard Rating: NEMA
- Number of Poles: 2
from GIGAVAC
Rugged EPIC ® Ceramic-to-Metal Seal Rated to 175 °C – Reduced risk of fire or meltdown in over-current conditions compared to the less-durable epoxy seal. EPIC ® Hermetic Seal – Designed to meet UL1604 for Class I & II, Div 2 and Class III for use in hazardous locations,... [See More]
- AC Motor Phase: Single
- Continuous Current: 350 to 710
- Device Technology: Electro-mechanical
- Motor Voltage: 12 to 800
from Eaton Corporation
NON REVERSING TYPE. IEC G SIZE. 37 AMPERE (UL), 50 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 18.5 KW AT 380/415/440 V 3 PHASE, 22 KW AT 500/550 V 3 PHASE, 11 KW AT 660 V 3 PHASE, 3 HP AT 115 V 1... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 37 to 50
- IEC Size: G
- Motor Voltage: 110 to 120
from Appleton Electric
NEMA 3/3R/7CD/9EFG ENCLOSURE TYPE. 1 POLES. 1 HP AT 115 TO 230 VAC 1 PHASE HP/VOLTS. APPLETON. BRAND. CONDUIT ENTRY FEED THROUGH. HUB SIZE 1. NUMBER OF GANG 1. MOTOR STARTER MANUFACTURED BY ALLEN-BRADLEY AUTOMATION SYSTEM. EDSC MODEL [See More]
- AC Motor Phase: Single
- NEMA Size: 3; 7; 9
- Standard Rating: NEMA
- Number of Poles: 1
from GIGAVAC
Normally closed version of GIGAVAC GX14. Chassis level UL508 sized power terminals – No need for specially routed power cables, special bus bars, or special lugs. Rugged EPIC ® Seal rated to 175 °C – Reduced risk of fire or meltdown in over current conditions. The same technology... [See More]
- AC Motor Phase: Single
- Continuous Current: 350
- Device Technology: Electro-mechanical
- Motor Voltage: 12 to 800
from Eaton Corporation
NON REVERSING TYPE. IEC L SIZE. 85 AMPERE (UL), 100 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 1NO AUXILIARY CONTACT. 22 KW AT 220 V 3 PHASE, 37 KW AT 660 V 3 PHASE, 45 KW AT 380/415/440 V 3 PHASE, 55 KW... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 85 to 100
- IEC Size: L
- Motor Voltage: 110 to 120
from Appleton Electric
NEMA 3/7CD/9EFG ENCLOSURE TYPE. 2 POLES. 2 HP AT 115 TO 230 VAC 1 PHASE HP/VOLTS. CONTENDER[T] BRAND. CONDUIT ENTRY FEED THROUGH. DC POWER RATING 3/4 HP AT 115/230 VDC. HUB SIZE 1/2 INCH. NUMBER OF GANG 1. MOTOR STARTER MANUFACTURED BY ALLEN-BRADLEY AUTOMATION SYSTEM. EDSC MODEL [See More]
- AC Motor Phase: Single
- NEMA Size: 3; 7; 9
- Standard Rating: NEMA
- Number of Poles: 2
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. IEC A SIZE. 7 AMPERE (UL), 20 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN, DIN RAIL MOUNT ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 1.1 KW AT 220 V 3 PHASE, 1.5 KW AT 660 V 3 PHASE, 2.2 KW AT 380/415/440 V 3 PHASE, 4... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 7 to 20
- IEC Size: A
- Motor Voltage: 110 to 120
from Appleton Electric
NEMA 3/3R/7CD/9EFG ENCLOSURE TYPE. 1 POLES. 1 HP AT 115 TO 230 VAC 1 PHASE HP/VOLTS. APPLETON. BRAND. CONDUIT ENTRY FEED THROUGH. HUB SIZE 1 INCH. NUMBER OF GANG 2. MOTOR STARTER MANUFACTURED BY ALLEN-BRADLEY AUTOMATION SYSTEM. EDSC MODEL [See More]
- AC Motor Phase: Single
- NEMA Size: 3; 7; 9
- Standard Rating: NEMA
- Number of Poles: 1
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. IEC G SIZE. 37 AMPERE (UL), 50 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 11 KW AT 660 V 3 PHASE, 18.5 KW AT 380/415/440 V 3 PHASE, 22 KW AT 500/550 V 3 PHASE, 3 HP AT 115 V 1... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 37 to 50
- IEC Size: G
- Motor Voltage: 110 to 120
from Appleton Electric
NEMA 3/7CD/9EFG ENCLOSURE TYPE. 2 POLES. 2 HP AT 115 TO 230 VAC 1 PHASE HP/VOLTS. CONTENDER[T] BRAND. CONDUIT ENTRY FEED THROUGH. DC POWER RATING 3/4 HP AT 115/230 VDC. HUB SIZE 3/4 INCH. NUMBER OF GANG 2. MOTOR STARTER MANUFACTURED BY ALLEN-BRADLEY AUTOMATION SYSTEM. EDSC MODEL [See More]
- AC Motor Phase: Single
- NEMA Size: 3; 7; 9
- Standard Rating: NEMA
- Number of Poles: 2
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. IEC H SIZE. 44 AMPERE (UL), 60 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 11 KW AT 220 V 3 PHASE, 15 KW AT 660 V 3 PHASE, 22 KW AT 380/415/440 V 3 PHASE, 30 KW AT 500/550 V 3... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 44 to 60
- IEC Size: H
- Motor Voltage: 110 to 120
from Appleton Electric
NEMA 3/4X/12 ENCLOSURE TYPE. 1 POLES. 1 HP AT 115 TO 230 VAC 1 PHASE HP/VOLTS. INTRAGROUND. BRAND. APPROVAL UL. CONDUIT ENTRY DEAD END. HUB SIZE 1/2 OR 3/4 INCH. MOTOR STARTER MANUFACTURED BY ALLEN-BRADLEY AUTOMATION SYSTEM. N1D MODEL [See More]
- AC Motor Phase: Single
- NEMA Size: 3; 4
- Standard Rating: NEMA
- Number of Poles: 1
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. IEC J SIZE. 60 AMPERE (UL), 75 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 15 KW AT 220 V 3 PHASE, 18.5 KW AT 660 V 3 PHASE, 30 KW AT 380/415/440/500/550 V 3 PHASE, 5 HP AT 115... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 60 to 75
- IEC Size: J
- Motor Voltage: 110 to 120
from Appleton Electric
NEMA 3/4X/12 ENCLOSURE TYPE. 1 POLES. 1 HP AT 115 TO 230 VAC 1 PHASE HP/VOLTS. INTRAGROUND. BRAND. APPROVAL UL. CONDUIT ENTRY FEED THROUGH. HUB SIZE 1/2 OR 3/4 INCH. MOTOR STARTER MANUFACTURED BY ALLEN-BRADLEY AUTOMATION SYSTEM. N1DC MODEL [See More]
- AC Motor Phase: Single
- NEMA Size: 3; 4
- Standard Rating: NEMA
- Number of Poles: 1
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. IEC K SIZE. 73 AMPERE (UL), 80 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 18.5 KW AT 220 V 3 PHASE, 22 KW AT 660 V 3 PHASE, 37 KW AT 380/415/440/500/550 V 3 PHASE, 5 HP AT 115... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 73 to 80
- IEC Size: K
- Motor Voltage: 110 to 120
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. IEC L SIZE. 85 AMPERE (UL), 100 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 22 KW AT 220 V 3 PHASE, 37 KW AT 660 V 3 PHASE, 45 KW AT 380/415/440 V 3 PHASE, 55 KW AT 500/550 V 3... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 85 to 100
- IEC Size: L
- Motor Voltage: 110 to 120
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. IEC M SIZE. 105 AMPERE (UL), 135 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 30 KW AT 220 V 3 PHASE, 45 KW AT 660 V 3 PHASE, 55 KW AT 380/415/440 V 3 PHASE, 75 KW AT 500/550 V... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 105 to 135
- IEC Size: M
- Motor Voltage: 110 to 120
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. IEC N SIZE. 140 AMPERE (UL), 175 AMPERE (IEC THERMAL CURRENT) CURRENT RATING. OPEN ENCLOSURE TYPE. IEC CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 37 KW AT 220 V 3 PHASE, 45 KW AT 660 V 3 PHASE, 75 KW AT 380/415/440 V 3 PHASE, 90 KW AT 500/550 V... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 140 to 175
- IEC Size: N
- Motor Voltage: 110 to 120
from Eaton Corporation
FULL VOLTAGE, NON REVERSING TYPE. NEMA 00 SIZE. 9 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 1NO RIGHT MOUNT AUXILIARY CONTACT. 1/3 HP AT 115 V 1 PHASE, 1 HP AT 230 V 1 PHASE, 1-1/2 HP AT 380 V 50 HZ/208/240 V 3 PHASE, 2... [See More]
- AC Motor Phase: Single; Three
- NEMA Size: 00
- Standard Rating: NEMA
- Continuous Current: 9
from Eaton Corporation
FULL VOLTAGE, NON REVERSING TYPE. NEMA 0 SIZE. 18 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 1NO AUXILIARY CONTACT. 1 HP AT 115 V 1 PHASE, 2 HP AT 230 V 1 PHASE, 3 HP AT 208/240 V 3 PHASE, 5 HP AT 380 V 50 HZ/480/600 V 3 PHASE... [See More]
- AC Motor Phase: Single; Three
- NEMA Size: 0
- Standard Rating: NEMA
- Continuous Current: 18
from Eaton Corporation
FULL VOLTAGE, NON REVERSING TYPE. NEMA 1 SIZE. 27 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 1NO RIGHT MOUNT AUXILIARY CONTACT. 2 HP AT 115 V 1 PHASE, 3 HP AT 230 V 1 PHASE, 7-1/2 HP AT 208/240 V 3 PHASE, 10 HP AT 380 V 50... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 27
- Standard Rating: NEMA
- Motor Voltage: 110 to 120
from Eaton Corporation
FULL VOLTAGE, NON REVERSING TYPE. NEMA 2 SIZE. 45 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 1NO RIGHT MOUNT AUXILIARY CONTACT. 3 HP AT 115 V 1 PHASE, 7-1/2 HP AT 230 V 1 PHASE, 10 HP AT 208 V 3 PHASE, 15 HP AT 240 V 3... [See More]
- AC Motor Phase: Single; Three
- NEMA Size: 2
- Standard Rating: NEMA
- Continuous Current: 45
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. NEMA 00 SIZE. 9 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 1NO-1NC SIDE MOUNT AUXILIARY CONTACT. 1/3 HP AT 115 V 1 PHASE, 1 HP AT 230 V 1 PHASE, 1-1/2 HP AT 380 V 50 HZ/208/240 V 3 PHASE, 2 HP... [See More]
- AC Motor Phase: Single; Three
- NEMA Size: 00
- Standard Rating: NEMA
- Continuous Current: 9
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. NEMA 0 SIZE. 18 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 1NO-1NC SIDE MOUNT AUXILIARY CONTACT. 1 HP AT 115 V 1 PHASE, 2 HP AT 230 V 1 PHASE, 3 HP AT 208/240 V 3 PHASE, 5 HP AT 380 V 50... [See More]
- AC Motor Phase: Single; Three
- NEMA Size: 0
- Standard Rating: NEMA
- Continuous Current: 18
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. NEMA 1 SIZE. 27 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 1NO-1NC SIDE MOUNT AUXILIARY CONTACT. 2 HP AT 115 V 1 PHASE, 3 HP AT 230 V 1 PHASE, 7-1/2 HP AT 208/240 V 3 PHASE, 10 HP AT 380 V 50... [See More]
- AC Motor Phase: Single; Three
- Continuous Current: 27
- Standard Rating: NEMA
- Motor Voltage: 110 to 120
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. NEMA 2 SIZE. 45 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 1NO-1NC SIDE MOUNT AUXILIARY CONTACT. 3 HP AT 115 V 1 PHASE, 7-1/2 HP AT 230 V 1 PHASE, 10 HP AT 208 V 3 PHASE, 15 HP AT 240 V 3... [See More]
- AC Motor Phase: Single; Three
- NEMA Size: 2
- Standard Rating: NEMA
- Continuous Current: 45