1 Motor Starters and Contactors
Description
Motor starters and contactors are devices used to control the operation of electric motors. They serve as protection devices, ensuring that motors are safely started and stopped. Motor starters typically include an overload protection circuit and a contactor, which work together to manage the electrical current supplied to the motor, preventing excessive current draw during startup.
Working Principle
Motor starters and contactors operate by using a solenoid to electromechanically engage power-switching contacts. When the coil of the contactor is energized, it generates linear motion that closes the contacts, allowing electrical current to flow to the motor. This mechanism replaces manual switches, providing a more reliable and automated method of controlling motor operation. The inclusion of overload protection circuits ensures that motors are safeguarded against conditions like low voltage and power interruptions, enhancing their operational safety and longevity.
Applications
Motor starters and contactors are used in a variety of applications. For example, they are essential in industrial settings where large motors are used to drive machinery. Specific applications include controlling the operation of conveyor belts, pumps, and fans. They are also used in HVAC systems to manage the operation of compressors and blowers, ensuring efficient and safe performance.
Advantages over other Motor Starters and Contactors
Reduced voltage starters, a type of motor starter, offer advantages in applications that require avoiding overload conditions or minimizing wear and tear on equipment. They achieve this by using motor windings that can be reconfigured to form different numbers of poles, allowing for smoother motor operation and reduced mechanical stress.
Limitations
One limitation of motor starters and contactors is their dependency on the correct sizing and configuration for specific applications. Incorrect sizing can lead to inadequate protection or inefficient operation. Additionally, while they provide essential protection and control, they may not be suitable for all types of motors or applications, particularly those requiring variable speed control.
Considerations
When selecting motor starters and contactors, several factors should be considered. Initial costs can vary depending on the type and complexity of the starter or contactor. Operating expenses are influenced by the efficiency and reliability of the device, as well as the energy consumption of the motor it controls. Durability is a key consideration, as these devices must withstand frequent operation and potential electrical surges. Accuracy in operation is crucial to ensure that motors are started and stopped at the correct times. Replacement and maintenance costs should also be evaluated, as regular maintenance is necessary to ensure continued performance and to prevent unexpected failures.
from Altech Corp.
Features. Frame Size 100AF. 1/2HP up to 600HP @ 480V AC. Screw Terminals (Lug Terminals Available). Direct Mounting Overload Relays [See More]
- NEMA Size: 1; 3 (optional feature)
- Device Technology: Electro-mechanical
- Standard Rating: NEMA; IEC
- AC Motor Phase: Single; Three
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACT KIT, 1 POLE, NEMA 1. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 1
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
Bulletin 112 - IEC Combination Starter, Non-Fusible Disconnect Type, IP42 (Type 1 - Metal), 9 Amp, 230-240V 60Hz Primary / 120V 60Hz Secondary Separate Control [See More]
- NEMA Size: 1
- Continuous Current: 1 to 5
- Standard Rating: NEMA; IEC
- Starter Type: Manual
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]
- NEMA Size: 1
- Device Technology: Electro-mechanical
- Standard Rating: NEMA; IEC
- AC Motor Phase: Single
from Radwell International
CONTACT KIT, 1 POLE, CURRENT RATING: 36 AMPS, VOLTAGE RATING: 600 VOLTS, USED FOR 14DA/40DA MAGNETIC CONTACTORS AND MOTOR STARTERS, NEMA 1 RATING. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Continuous Current: 36
- Standard Rating: NEMA
- Number of Poles: 1
from Allen-Bradley / Rockwell Automation
Bulletin 112 - IEC Combination Starter, Non-Fusible Disconnect Type, IP42 (Type 1 - Metal), 9 Amp, 460-480V 60Hz Primary / 120V 60Hz Secondary Separate Control [See More]
- NEMA Size: 1
- Continuous Current: 1 to 5
- Standard Rating: NEMA; IEC
- Starter Type: Manual
from Radwell International
DISCONTINUED BY MANUFACTURER, HANDLE KIT, SHUT OFF HANDLE, SIZE: 3-4, ROTARY TYPE, NEMA 1 OR 12, ON/OFF LEGENDPLATE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
Bulletin 112 - IEC Combination Starter, Non-Fusible Disconnect Type, IP42 (Type 1 - Metal), 12 Amp, 460-480V 60Hz Primary / 120V 60Hz Secondary Separate Control [See More]
- NEMA Size: 1
- Continuous Current: 5.4 to 27
- Standard Rating: NEMA; IEC
- Starter Type: Manual
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]
- NEMA Size: 1
- AC Motor Phase: Single
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
Bulletin 106 - IEC Reversing Combination Starter - Fusible Disconnect Type, IP42 (Type 1 - Metal), 9 Amp, 460-480V 60Hz Common Control [See More]
- NEMA Size: 1
- Starter Type: Manual
- Standard Rating: NEMA; IEC
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACTOR, 27 AMP, 115 V AT 3HP, 230V AT 7-1/2HP, 460/575V AT 10HP, 3 PHASE, NEMA 1. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- AC Motor Phase: Three
- Standard Rating: NEMA
- Continuous Current: 27
from Allen-Bradley / Rockwell Automation
Available from RCC, Bulletin 105 - IEC Reversing Starter - Enclosed Style, IP42 (Type 1 - Metal), 9 Amp, 220V 50Hz / 240V 60Hz [See More]
- NEMA Size: 1
- Standard Rating: NEMA; IEC
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTACTOR, 600 VAC MAX, NEMA SIZE 00, 3 POLE, NEMA 1 ENCLOSURE, 230 V COIL, 60 HZ. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Motor Voltage: 600
- Standard Rating: NEMA
- Number of Poles: 3
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Disconnect Type, NEMA 0, 240 Volts (A), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 1
- Overload Protection: Eutectic
- Standard Rating: NEMA
from Radwell International
LIGHTING CONTACTOR PANEL, WITH NEMA 1 ENCLOSURE, ENCLOSED, MAGNETIC, 30 AMP, 2 POLES, 2 NORMALLY OPEN, 120 V, SINGLE PHASE, 60 HZ. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- AC Motor Phase: Single
- Standard Rating: NEMA
- Continuous Current: 30
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Disconnect Type, NEMA 0, 240 Volts (A), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 1
- Device Technology: Solid State
- Standard Rating: NEMA
from Radwell International
LIGHTING CONTACTOR, 20A, 4P, NEMA 1, ELECTRICALLY HELD, ENCLOSED. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Disconnect Type, NEMA 5, 240/110/120 VAC - 50/60Hz (AD), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 1
- Device Technology: Solid State
- Standard Rating: NEMA
- Overload Protection: Solid State
from Radwell International
CONTACTOR, 30A, 3 POLE, 208/240VAC, 50/60HZ, NEMA 1 ENCLOSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 3
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Circuit Breaker Type, NEMA 0, 240 Volts (A), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 0; 1
- Control Voltage: 240
- Standard Rating: NEMA
- Overload Protection: Eutectic
from Radwell International
CONTACTOR 2POLE 30AMP 120V COIL NEMA 1 ENCLOSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 2
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Circuit Breaker Type, NEMA 0, 240 Volts (A), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 0; 1
- Standard Rating: NEMA
from Radwell International
CONTACTOR 3POLE 30AMP 120V COIL NEMA 1 ENCLOSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 3
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Contactor, Circuit Breaker Type, NEMA 0, 480 Volts (B), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 0; 1
- Control Voltage: 120
- Standard Rating: NEMA
from Radwell International
CONTACTOR, NON REVERSING, 3 PHASE, OPEN TOP WIRE CONTACTOR, 3 POLE, NO OPTION, NEMA 1, 220 VAC @ 50 HZ / 240 VAC @ 60 HZ, 7.5 HP, OPEN TYPE, NEMA SIZE 1, NO ENCLOSURE, 1 NO, MOUNTABLE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- AC Motor Phase: Three
- Standard Rating: NEMA
- Motor Voltage: 220 to 240
from Allen-Bradley / Rockwell Automation
NEMA Combination Contactor, Disconnect Type, NEMA 0, 240 Volts (A), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 0; 1
- Control Voltage: 240
- Standard Rating: NEMA
from Radwell International
DISCONTINUED BY MANUFACTURER 2010-10-28, CONTACTOR, 27 AMP, 600 VAC, NEMA AC, NEMA 1, 2 POWER POLES, OPEN, NO OPTION. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Continuous Current: 27
- Standard Rating: NEMA
- Motor Voltage: 600
from Allen-Bradley / Rockwell Automation
NEMA Combination Contactor, Disconnect Type, NEMA 0, 480 Volts (B), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 0; 1
- Standard Rating: NEMA
from Radwell International
DISCONTINUED BY MANUFACTURER, LIGHTING CONTACTOR, 30 A, 3 POLE, NEMA 1TYPE ENCLOSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 3
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Contactor, Circuit Breaker Type, NEMA 0, 480/110/120 VAC - 50/60Hz (BD), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 1
- Standard Rating: NEMA
from Radwell International
CONTACTOR, 30A, 2 POLE, 120VAC, 50/60HZ, NEMA 1 ENCLOSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 2
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
Available from RCC, NEMA Full Voltage Non-Reversing Starter,SIZE 0,230-240V 60Hz,Type 1 General Purpose , with Eutectic Alloy Overload Relay [See More]
- NEMA Size: 0; 1
- Control Voltage: 220 to 240
- Standard Rating: NEMA
- Overload Protection: Eutectic
from Radwell International
DEFINITE PURPOSE CONTACTOR, 30AMP, 3P, COIL24VAC, 50-60 HZ, NEMA 1 ENCLOSED. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Full Voltage Non-Reversing Starter,SIZE 0,460-480V 60Hz,Type 1 General Purpose [See More]
- NEMA Size: 0; 1
- Standard Rating: NEMA
from Radwell International
LIGHTING CONTACTOR, ELECTRICALLY HELD, A202 SERIES, 9 POLE, 30 AMP, 110/120 VAC, 50/60 HZ, NEMA 1, ENCLOSED. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Continuous Current: 30
- Standard Rating: NEMA
- Motor Voltage: 120
from Allen-Bradley / Rockwell Automation
NEMA Combination Reversing Starter, Disconnect Type, NEMA 0, 240/110/120 VAC - 50/60Hz (AD), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 0; 1
- Control Voltage: 120
- Standard Rating: NEMA
- Overload Protection: Eutectic
from Radwell International
CONTACTOR, ENCLOSED LIGHTING, C30CN SERIES, NON-COMBINATION, NEMA 1 ENCLOSURE, 30 AMP, 4 POLE, 110/120 V COIL, 50/60 HZ, PAINTED STEEL ENCLOSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Continuous Current: 30
- Standard Rating: NEMA
- Number of Poles: 4
from Allen-Bradley / Rockwell Automation
NEMA Combination Reversing Starter, Disconnect Type, NEMA 0, 480 Volts (B), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 0; 1
- Device Technology: Solid State
- Standard Rating: NEMA
from Radwell International
NONCOMBO NEMA 1 C30CNE-ELEC HELD 6POLE 30A 120VAC COIL. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 6
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Reversing Starter in Narrow Enclosure, Circuit Breaker Type, NEMA 0, 480 Volts (B), Type 1 - Enclosure Code A"" [See More]
- NEMA Size: 1
- Device Technology: Solid State
- Standard Rating: NEMA
from Radwell International
LIGHTING CONTACTOR, 20AMP, 6POLE, NEMA 1, ENCLOSED, . FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 6
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
520G NEMA 2 Speed Constant HP Starter ,SIZE 1, Open, 115-120V 60Hz, Eutectic Alloy , Eutectic Alloy , Constant Horsepower , 115-120V 60Hz , [See More]
- NEMA Size: 1
- Standard Rating: NEMA
from Radwell International
LIGHTING CONTACTOR, 20A, 9P, NEMA 1, ENCLOSED, ELECTRICALLY HELD, . FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
520E NEMA 2 Speed Separate Winding Starter ,SIZE 1, Open, 460-480V 60Hz ,with E1 Plus Overload Relays , Constant or Variable Torque , 460-480V 60Hz , [See More]
- NEMA Size: 1
- Device Technology: Solid State
- Standard Rating: NEMA
- Control Voltage: 460 to 480
from Radwell International
NONCOMBO NEMA 1 C30CNM-MECH HELD 8POLE 30A 120VAC COIL. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 8
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
520E NEMA 2 Speed Separate Winding Starter ,SIZE 1, Open, 115-120V 60Hz ,with Eutectic Alloy Overload Relay , Constant or Variable Torque , 115-120V 60Hz , [See More]
- NEMA Size: 1
- Control Voltage: 115 to 120
- Standard Rating: NEMA
from Radwell International
NONCOMBO NEMA 1 C30CNM-MECH HELD 2POLE 30A 277VAC COIL. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 2
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
300 NEMA Contactor, NEMA Size 1, Open, 240V 60Hz, Three Poles, 1 N.O. Auxiliary Contact [See More]
- NEMA Size: 1
- Standard Rating: NEMA
from Radwell International
CONTACTOR, ENCLOSED LIGHTING, C30CN, NONCOMBO, NEMA 1, 30AMP, 2POLE, 110V/50HZ / 120V/60HZ COIL, PAINTED STEEL ENCLOSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- Number of Poles: 2
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
300 NEMA Contactor, NEMA Size 1, Open, 550V 50Hz / 600V 60Hz, Three Poles, 1 N.O. Auxiliary Contact [See More]
- NEMA Size: 1
- Standard Rating: NEMA
from Radwell International
CONTACTOR, 600VAC, 18AMP, NEMA +OPTIONS, TYPE S, NON-REVEERSING, SIZE 0, 5 HP AT 575 VAC, 3 PHASE, UP TO 100 KA, 3 POLE, 120 VAC COIL, NEMA 1. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 1
- AC Motor Phase: Three
- Standard Rating: NEMA
- Motor Voltage: 120 to 575
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Circuit Breaker Type, NEMA 1, 480 Volts (B), Type 3R, 7 & 9 Bolted - Enclosure Code H"" [See More]
- NEMA Size: 1; 3
- Control Voltage: 120
- Standard Rating: NEMA
- Overload Protection: Eutectic
from Schneider Electric
Combination Starters & Pump Panels. Supplied with circuit breakers with current ratings up to 40A. Supplied with Class CC or Class J fuses with current ratings up to 40A. Up to 32 amps or 20 horsepower. NEMA size 0-6 with fusible or non-fusible disconnect switch. NEMA sizes 0-7 with... [See More]
- NEMA Size: 0; 1; 2; 3; 4; 5; 6; 7
- IEC Size: H
- Standard Rating: NEMA; IEC
- Continuous Current: 20 to 50
from OMEGA Engineering, Inc.
The Cutler-Hammer Electro-Mechanical Motor Starter consists of an electro-mechanical contact block or contactor and electromechanical solid-state overload relay as a full voltage non-reversing (FVNR) device. Size 00 to 2 motor starters are factory assembled. SPECIFICATIONS. Dimensions: Size 00 and... [See More]
- NEMA Size: 00; 0; 1; 2
- Device Technology: Solid State; Electro-mechanical
- Standard Rating: NEMA
- Continuous Current: 9 to 45
from Selectric, Inc.
NEMA 1 enclosure, adjustable overload relay, pushbutton reset [See More]
- NEMA Size: 1
- Device Technology: Electro-mechanical
- Standard Rating: NEMA
- AC Motor Phase: Single
from Automation24, Inc.
The main contactor MC18B-30-11-BD-S-E - 1346100300 from LS ELECTRIC is offered for load switching up to 10 HP at AC-3/480 V. The Metasol main contactor MC18B-30-11-BD-S-E - 1346100300 from LS ELECTRIC operates on a control supply voltage of 24 V DC and features one normally open and one normally... [See More]
- NEMA Size: 1
- Motor Voltage: 690
- Standard Rating: NEMA
- Three Phase Power: 10
from Appleton Electric
FULL VOLTAGE TYPE. EPOXY POWDER COATED CAST ALUMINUM MATERIAL. NEMA 1 SIZE. 3 POLE(S). EXPLOSION PROOF, DUST IGNITION PROOF, WATERTIGHT. CLASS I DIV 1 AND 2 GROUP B C D, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III, NEMA 3/3R/4/4X/7C/7D/9E/9F/9G ENCLOSURE TYPE. APPLETON[R] BRAND. AEXMS MODEL [See More]
- NEMA Size: 1; 3; 4; 7; 9
- Standard Rating: NEMA
from CARLO GAVAZZI Automation Components
General. Four frame sizes. Motor ratings of each frame size: Up to 20, 30, 60 or 75HP. Resistive rating Up to 40, 60, 100, 160A. AC or DC coil voltage. Two connection types: Screw terminal connections are available on all frame sizes Lug terminals connections are available on 63 and 100 amp sizes. [See More]
- NEMA Size: 00; 0; 1; 2; 3
- Device Technology: Electro-mechanical
- Standard Rating: NEMA
- AC Motor Phase: Single (optional feature); Three
from WorldWide Electric Corporation
Solid state ESP200 overload relay. Wide range of enclosure types available. Flexibility with field modifications. 100 KA short circuit current rating when protected with class R fuses to 600V. Industrial type disconnect handle. Visible blade disconnect. Easy to install. Coil Table. 60 Hz Voltage -... [See More]
- NEMA Size: 1
- Device Technology: Solid State
- Standard Rating: NEMA
- Continuous Current: 0.7500 to 3.4
from AuCom North America Inc.
The EMX3 introduces a new generation in soft start technology: XLR-8, Adaptive Acceleration Control. XLR-8 has an unprecedented level of control over motor's acceleration and deceleration profiles. Using XLR-8, the soft starter learns the motor's performance during start and stop, then adjusts... [See More]
- NEMA Size: 1
- Device Technology: Solid State
- Standard Rating: NEMA
- AC Motor Phase: Three
from Automation24, Inc.
The main contactor MC18B-30-11-K7-S-E - 1346000500 from LS ELECTRIC is offered for load switching up to 10 HP at AC-3/480 V. The Metasol main contactor MC18B-30-11-K7-S-E - 1346000500 from LS ELECTRIC operates on a control supply voltage of 120 V AC and features one normally open and one normally... [See More]
- NEMA Size: 1
- Motor Voltage: 690
- Standard Rating: NEMA
- Three Phase Power: 10
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]
- NEMA Size: 1; 3; 7
- AC Motor Phase: Single
- Standard Rating: NEMA
- Number of Poles: 3
from WorldWide Electric Corporation
True phase loss protection - trips within 3 seconds. Phase unbalanced prevents motor running inefficiently. Ground fault trip when selected. Selectable trip class: 5, 10, 20 or 30. Reset trip can be selected auto/manual reset. Overload is self powered. No need for external power source. Dual... [See More]
- NEMA Size: 1
- Device Technology: Solid State
- Standard Rating: NEMA
- Continuous Current: 0.2500 to 1
from AuCom North America Inc.
MVS Series starters provide integrated motor starting and monitoring functions for the most demanding industrial situations . Advanced algorithms ensure ultra-smooth starting and stopping, and fully adjustable protection features maximise electrical and mechanical protection for your motor and... [See More]
- NEMA Size: 1; 2
- Device Technology: Solid State
- Standard Rating: NEMA
- AC Motor Phase: Three
from Automation24, Inc.
The main contactor MC32A-30-22-BD-S-E - 1336017700 from LS ELECTRIC is offered for load switching up to 20 HP at AC-3/480 V. The Metasol main contactor MC32A-30-22-BD-S-E - 1336017700 from LS ELECTRIC operates on a control supply voltage of 24 V DC and features two normally open and two normally... [See More]
- NEMA Size: 1
- Motor Voltage: 690
- Standard Rating: NEMA
- Three Phase Power: 20
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]
- NEMA Size: 1
- AC Motor Phase: Single
- Standard Rating: NEMA
- Continuous Current: 27
from Automation24, Inc.
The main contactor MC32A-30-22-K7-S-E - 1336012900 from LS ELECTRIC is offered for load switching up to 20 HP at AC-3/480 V. The Metasol main contactor MC32A-30-22-K7-S-E - 1336012900 from LS ELECTRIC operates on a control supply voltage of 120 V AC and features two normally open and two normally... [See More]
- NEMA Size: 1
- Motor Voltage: 690
- Standard Rating: NEMA
- Three Phase Power: 20
from WorldWide Electric Corporation
Heavy duty NEMA starters. Fully gasketed NEMA 3R rainproof enclosures. 100 KA interrupting capacity with class R fuses. Solid state or ambient compensated bi-metal overload relays. Copper grounding lug for three #6 wires. Heavy duty disconnect handle. Bold pilot legend. Generous accessory space. CSA... [See More]
- NEMA Size: 1
- Continuous Current: 10 to 40
- Standard Rating: NEMA
from WorldWide Electric Corporation
NEMA 7 & 9 / 3 & 4 enclosure. Heavy duty NEMA starters. Start/stop button. Bold pilot legend. Solid state ESP200 overload relay. Through door overload reset button. 230/460 dual voltage, 50/60 hertz dual frequency coils. True phase loss protection - trips within three seconds. Phase... [See More]
- NEMA Size: 1
- Continuous Current: 0.2500 to 1
- Standard Rating: NEMA
- Control Voltage: 440 to 480