4 Motor Starters and Contactors
Description
Motor starters and contactors are devices used to control the operation of electric motors. They are essential components in motor control systems, providing the necessary means to start, stop, and protect motors from overload conditions. Motor starters typically include an overload protection circuit and a motor contactor, which ensures that during motor startup, extra current is not drawn. Contactors, on the other hand, are used to turn on/off both motor-controlled equipment and electric motors, acting as a protection device for the motor .
Working Principle
Motor starters and contactors operate by controlling the electrical power supplied to the motor. They consist of a coil that, when energized, creates a magnetic field, closing the contacts and allowing current to flow to the motor. This mechanism helps in managing the inrush current during startup, preventing potential damage to the motor. The overload protection circuit within the motor starter ensures that the motor is not subjected to excessive current, which could lead to overheating and damage. This makes them useful in maintaining the longevity and efficiency of motors by providing necessary protection against electrical faults .
Applications
Motor starters and contactors are used in a variety of applications where electric motors are employed. Specific examples include:
- Industrial machinery, where they control large motors used in manufacturing processes.
- HVAC systems, where they manage the operation of compressors and fans.
- Conveyor systems in logistics and warehousing, ensuring smooth operation and protection of motors driving the belts.
- Water pumping stations, where they control the pumps used for water distribution .
Advantages over other Motor Starters and Contactors
Reduced voltage starters, a type of motor starter, offer advantages over full voltage starters by minimizing the mechanical stress on motors during startup. This is achieved by reducing the voltage supplied to the motor, thereby decreasing the inrush current and associated wear and tear. This can lead to longer motor life and reduced maintenance costs. Additionally, the ability to reconnect motor windings to form different numbers of poles allows for flexibility in speed control, which is beneficial in applications requiring variable motor speeds .
Limitations
One limitation of motor starters and contactors is their initial cost, which can be higher compared to simpler motor control solutions. Additionally, they require regular maintenance to ensure reliable operation, which can add to the overall operating expenses. The complexity of some motor starters, particularly those with advanced features like reduced voltage starting, can also lead to increased installation and setup time .
Considerations
When selecting motor starters and contactors, several factors should be considered:
- Initial Costs: The upfront cost can vary significantly depending on the type and features of the starter or contactor.
- Operating Expense: Consider the energy efficiency and potential savings in operating costs over time.
- Durability: Look for devices with robust construction to withstand harsh operating conditions.
- Accuracy: Ensure the starter or contactor provides precise control over motor operation to prevent unnecessary wear.
- Replacement and Maintenance Costs: Factor in the ease of maintenance and availability of replacement parts to minimize downtime and repair costs .
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: 4
- Device Technology: Electro-mechanical
- Standard Rating: NEMA; IEC
- AC Motor Phase: Single
from Radwell International
DISCONTINUED BY MANUFACTURER, CONVERSION KIT, FOCUS 1, NEMA 4/12. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
281 Safety Reversing Starter, NEMA Type 4/IP67 Enclosure, DeviceNet, 12 A Safety Contactor w/ 24V DC Control Voltage, 10 A Rated Device - Motor Circuit Protector, 0.5-2.5 A Overload Relay, , Conduit Entrance with Motor Cable Supplied [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Radwell International
CONTACTOR, 3 PHASE, OPEN TOP WIRE CONTACTOR, 3 POWER POLES, 240 VAC, 60 HZ, NO OPTION, NEMA 4, 220 VAC @ 50 HZ, 240 VAC @ 60 HZ, 50 HP. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- AC Motor Phase: Three
- Standard Rating: NEMA
- Motor Voltage: 220 to 240
from Allen-Bradley / Rockwell Automation
Base Module for Bulletin 280 Combination Starter, DeviceNet, 10 A Rated Device [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Radwell International
DISCONTINUED BY MANUFACTURER, COIL, 460/480 VAC, 50/60 HZ, NEMA 4, RATED 300 AND 200 LINE, MAGNETIC CONTACTORS AND STARTERS. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Motor Voltage: 480
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
281 Reversing Starter, DeviceNet, 240V AC, 10 A Rated Device, Current Range 0.24...1.2 A, Conduit Entrance with Motor Cable Supplied [See More]
- NEMA Size: 4
- Control Voltage: 240
- Standard Rating: NEMA
from Radwell International
OVERLOAD RELAY, NEMA 4, 1NO/1NC, 144 AMP, 3 POLE, HEATERS NOT INCLUDED, FREEDOM SERIES. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Continuous Current: 144
- Standard Rating: NEMA
- Number of Poles: 3
from Allen-Bradley / Rockwell Automation
281 Reversing Starter, DeviceNet, 240V AC, 10 A Rated Device, Current Range 0.24...1.2 A, ArmorConnect Power Media Connection with Motor Cable Supplied [See More]
- NEMA Size: 4
- Control Voltage: 240
- Standard Rating: NEMA
from Radwell International
RESET BUTTON, NEMA 4X, 1 5/8-4 11/16, FOR OVERLOAD RELAY. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
281 Reversing Starter, DeviceNet, 240V AC, 10 A Rated Device, Current Range 1.1...5.5 A, Conduit Entrance with Motor Cable Supplied [See More]
- NEMA Size: 4
- Control Voltage: 240
- Standard Rating: NEMA
from Radwell International
OVERLOAD RELAY, 1.5/3 AMP, 600 VAC, 3 POLE, USED ON SIZE 4 FREEDOM, SERIES A-1, NEMA 4. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Continuous Current: 3
- Standard Rating: NEMA
- Motor Voltage: 600
from Allen-Bradley / Rockwell Automation
Control Module for 281 Reversing Starter, DeviceNet, 24V DC, Current Range 0.24...1.2 A [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Radwell International
OVERLOAD RELAY, 135 AMP, 3 POLE, 1 NC, NEMA 4. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Continuous Current: 135
- Standard Rating: NEMA
- Number of Poles: 3
from Allen-Bradley / Rockwell Automation
284D ArmorStart Safety Distributed Motor Starter, NEMA Type 4/IP67 Enclosure, DeviceNet, 25 A Rated Device - Motor Circuit Protector, Conduit Entrance with Motor Cable Supplied, [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Radwell International
BLOCK OVERLOAD RELAY, 3/30 AMPS, 600 VAC, 3 POLES, NEMA 4, TYPE B BLOCK. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Continuous Current: 30
- Standard Rating: NEMA
- Motor Voltage: 600
from Allen-Bradley / Rockwell Automation
109C IEC Enclosed Non-reversing Non-Combination Starter, 100-C09, Type 1/4/4X/12K - IP66 Plastic - Small (Indoor/Outdoor Use), 440V 50Hz / 480V 60Hz, E1 Plus OLR 4.50 - 6.30A [See More]
- NEMA Size: 4
- Standard Rating: NEMA; IEC
from Radwell International
DISCONTINUED BY MANUFACTURER,THERMAL OVERLOAD RELAY, 600V, NEMA 4, SPDT. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
109C IEC Enclosed Non-reversing Non-Combination Starter, 100-C09, Type 1/4/4X/12K - IP66 Plastic - Small (Indoor/Outdoor Use), 440V 50Hz / 480V 60Hz, E1 Plus OLR 0.10 - 0.50A [See More]
- NEMA Size: 4
- Starter Type: Manual
- Standard Rating: NEMA; IEC
from Radwell International
DISCONTINUED BY MANUFACTURER, OVERLOAD RELAY, NON-REVERSING, SOLID-STATE, 6 - 200 AMP, NEMA 4, 24 VDC. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Continuous Current: 200
- Standard Rating: NEMA
- Control Voltage: 24
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter with Extra Panel Space, Circuit Breaker Type, NEMA 1, 480 Volts (B), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 4
- Device Technology: Solid State
- Standard Rating: NEMA
- Control Voltage: 120
from Radwell International
DISCONTINUED BY MANUFACTURER 2007-02-28, OVERLOAD RELAY, SOLID STATE, MANUAL RESET, 23/75AMP, 3 PHASE, CLASS 20, NEMA 4, ELECTRONIC, NEMA, SMP-1, MANUAL RESET, MOUNTS TO NEMA SIZE 4 CONTACTOR, 1 NORMALLY CLOSED O UTPUT. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Device Technology: Solid State
- Standard Rating: NEMA
- AC Motor Phase: Three
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter with Extra Panel Space, Circuit Breaker Type, NEMA 1, 480/110/120 VAC - 50/60Hz (BD), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 4
- Device Technology: Solid State
- Standard Rating: NEMA
- Control Voltage: 120
from Radwell International
MOTOR STARTER, CR306, 300-LINE, OPEN, 600 V, 135 AMP, 115-120 VAC 50/60 HZ, NEMA 4, 3 POLE, 3 PHASE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- AC Motor Phase: Three
- Standard Rating: NEMA
- Continuous Current: 135
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Disconnect Type, NEMA 0, 240 Volts (A), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 4
- Overload Protection: Eutectic
- Standard Rating: NEMA
from Radwell International
INDUSTRIAL STARTER, NEMA 4/12 , W/ ST-SP PBS, EOL & 120V CPT. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Disconnect Type, NEMA 0, 240 Volts (A), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 4
- Device Technology: Solid State
- Standard Rating: NEMA
from Radwell International
WEG ELECTRIC PESW SERIES MANUAL MOTOR STARTER, PUSHBUTTON, 9A, 3-POLE, 480 VAC (50/60HZ) COIL VOLTAGE, THERMAL OVERLOAD, 7.0-10.0A ADJUSTABLE, NEMA 4/4X.. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Motor Voltage: 480
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Disconnect Type, NEMA 3, 480 Volts (B), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 4
- Overload Protection: Eutectic
- Standard Rating: NEMA
from Radwell International
IEC MOTOR STARTER, TYPE AE16, FREEDOM SERIES, 3 POLE, 3 PHASE, NEMA 4, 110-120 VAC COIL. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- AC Motor Phase: Three
- Standard Rating: NEMA; IEC
- IEC Size: M
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Circuit Breaker Type, NEMA 0, 240 Volts (A), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 0; 4
- Control Voltage: 240
- Standard Rating: NEMA
- Overload Protection: Eutectic
from Radwell International
STARTER,DEVICENET,IP67/NEMA 4 WATERTIGHT ENCLOSU, 24V DC,10 A RATED DEVICE,1.1 5.5 A,CONDUIT ENTRANCE WITHOUT CABLE,NO SELECTION,SAFETY MONITOR. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Starter, Circuit Breaker Type, NEMA 0, 240/110/120 VAC - 50/60Hz (AD), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 0; 4
- Standard Rating: NEMA
from Radwell International
STARTER, NON-COMBINATION, FIXED HEARET OLR / XT ONLY, IEC, FVNR, NEMA 4, 9 AMP, 440-460 VAC, 50/60 HZ, WATERTIGHT, PAINTED STEEL. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Continuous Current: 9
- Standard Rating: NEMA; IEC
- Motor Voltage: 460
from Allen-Bradley / Rockwell Automation
NEMA Combination Contactor, Circuit Breaker Type, NEMA 0, 480 Volts (B), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 0; 4
- Control Voltage: 120
- Standard Rating: NEMA
from Radwell International
DISCONTINUED BY MANUFACTURER, MOTOR STATER, NEMA 4, 3 POLE, 110-120 V AC COIL, 50/60 HZ. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Number of Poles: 3
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Contactor, Disconnect Type, NEMA 0, 480 Volts (B), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 0; 4
- Control Voltage: 120
- Standard Rating: NEMA
from Radwell International
DIRECT ONLINE STARTER, DEVICENET, IP67/NEMA 4 WATERTIGHT ENCLOSURE, 24 VDC, 10 AMP RATED DEVICE, 1.1 - 5.5 AMP, ARMORCONNECT POWER MEDIA CONNE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Continuous Current: 5.5 to 10
- Standard Rating: NEMA
- Control Voltage: 24
from Allen-Bradley / Rockwell Automation
NEMA Combination Contactor, Disconnect Type, NEMA 0, 240/110/120 VAC - 50/60Hz (AD), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Radwell International
STARTER, NON REVERSING, SIZE 1, NEMA 4/4X STAINLESS STEEL, 3 PHASE, EUTECTIC OVERLOAD, NO FUSE COVER, STANDARD CAPACITY, 460/480 VAC @ 60HZ, 10 HP, FULL VOLTAGE, 3 PHASE, NEMA, MOUNTABLE. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- AC Motor Phase: Three
- Standard Rating: NEMA
- Motor Voltage: 480
from Allen-Bradley / Rockwell Automation
NEMA Combination Contactor, Circuit Breaker Type, NEMA 0, 240/110/120 VAC - 50/60Hz (AD), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 4
- Control Voltage: 120
- Standard Rating: NEMA
from Radwell International
STARTER NEMA 4X ENCLOSURE FOR USE WITH XTPAXFA, XTPAXSA, XTPAXSR, XTPAXUVR, XTPBMMP, XTPBXFAEM20. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
NEMA Combination Lighting Contactor, Circuit Breaker Type, 15 A Tungsten/ 20 A General, 480 Volts (B), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 4
- Standard Rating: NEMA
from Radwell International
MANUAL STARTER, WATER TIGHT ENCLOSURE, 16AMP, 1POLE, 277VAC, 1HP, NEMA 4, 1 CONDUIT OPENING. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Number of Poles: 1
- Standard Rating: NEMA
from Allen-Bradley / Rockwell Automation
Available from RCC, NEMA Full Voltage Non-Reversing Starter,SIZE 0,230-240V 60Hz,Type 4/4X Watertight, Corrosion-Resistant Enclosure, Stainless Steel, with Eutectic Alloy Overload Relay [See More]
- NEMA Size: 0; 4
- Control Voltage: 220 to 240
- Standard Rating: NEMA
- Overload Protection: Eutectic
from Radwell International
MANUAL STARTER, FRACTIONAL HORSEPOWER, 16 AMP, 1 POLE, 1 HP AT 277 VAC, RED INDICATOR, NEMA 4 ENCLOSURE, 1 CONDUIT OPENING. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Continuous Current: 16
- Standard Rating: NEMA
- Motor Voltage: 277
from Allen-Bradley / Rockwell Automation
Available from RCC, NEMA Full Voltage Non-Reversing Starter,SIZE 0,230-240V 60Hz,Type 4/4X Watertight, Corrosion-Resistant Enclosure, Stainless Steel [See More]
- NEMA Size: 0; 4
- Standard Rating: NEMA
from Radwell International
2 POLES, 16 AMP, NEMA, ENCLOSED TOGGLE MANUAL MOTOR STARTER 1 HP AT 115 VAC, 1 HP AT 230 VAC, 1 HP AT 277 VAC, 3/4 HP AT 115 VDC & 3/4 HP AT 230 VDC, CE, CSA, NEMA 4 & UL LISTED. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- Continuous Current: 16
- Standard Rating: NEMA
- Motor Voltage: 115 to 277
from Allen-Bradley / Rockwell Automation
NEMA Combination Reversing Starter, Disconnect Type, NEMA 0, 480 Volts (B), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 0; 4
- Device Technology: Solid State
- Standard Rating: NEMA
from Radwell International
MOTOR STARTING SWITCH, MANUAL, 30 AMP, 3 POLE, 10 HP @ 575 V AC, THREE PHASE, TOGGLED OPERATED, NO INDICATOR, NEMA 4. FREE 2 YEAR RADWELL WARRANTY [See More]
- NEMA Size: 4
- AC Motor Phase: Three
- Standard Rating: NEMA
- Continuous Current: 30
from Allen-Bradley / Rockwell Automation
NEMA Combination Reversing Starter, Disconnect Type, NEMA 0, 600/110/120 VAC - 50/60Hz (CD), Type 4/4X - Enclosure Code C"" [See More]
- NEMA Size: 0; 4
- Standard Rating: NEMA
from CARLO GAVAZZI Automation Components
Carlo Gavazzi offers a complete range of Contactors and Overloads for switching currents up to 900 Amps (600 HP @ 480 VAC). All contactors are available with a wide selection of coil voltages and come standard with built-in auxiliary outputs. Interlock and wiring kits are available to turn 2... [See More]
- NEMA Size: 3; 4; 5; 6; 7
- Device Technology: Electro-mechanical
- Standard Rating: NEMA
- AC Motor Phase: Single (optional feature); Three
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 O-Z/Gedney
FULL VOLTAGE NON REVERSING STARTER TYPE. CORROSION RESISTANT GRAY EPOXY POWDER COATED (INSIDE, OUTSIDE) COPPER FREE ALUMINUM MATERIAL. NEMA 0 SIZE. 3 PHASE(S). UL 50, UL 698, UL 877, UL 1203, CSA C22.2 APPROVAL. 3 HP POWER RATING. DUST IGNITION PROOF, EXPLOSION PROOF, WATER TIGHT. BOLTED, CLASS I... [See More]
- NEMA Size: 4; 7; 9
- Motor Voltage: 240
- AC Motor Phase: Three
- Three Phase Power: 3
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: 4
- Device Technology: Solid State
- Standard Rating: NEMA
- Continuous Current: 50 to 200
from Appleton Electric
FULL VOLTAGE NON REVERSING STARTER WITH MOTOR CIRCUIT PROTECTOR TYPE. CORROSION RESISTANT GRAY POWDERED EPOXY COATED (INSIDE, OUTSIDE) COPPER FREE ALUMINUM BODY, COVER. STAINLESS STEEL COVER BOLT HINGE. NEOPRENE O-RING MATERIAL. NEMA 0 SIZE. 3 PHASE(S). CSA C22.2 APPROVAL. 1 HP POWER RATING. DUST... [See More]
- NEMA Size: 4; 7; 9
- AC Motor Phase: Three
- Standard Rating: NEMA
- Continuous Current: 7
from Eaton Corporation
NON REVERSING TYPE. NEMA 4 SIZE. UL, CSA APPROVAL. OPEN ENCLOSURE. 135 AMPERE CURRENT RATING. 4 POLE(S). NEMA CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 1NO AUXILIARY CONTACT. 40 HP AT 208 V 3 PHASE, 50 HP AT 240 V 3 PHASE, 100 HP AT 480/600 V 3 PHASE (UL) POWER... [See More]
- NEMA Size: 4
- Continuous Current: 135
- Standard Rating: NEMA
- Motor Voltage: 110 to 120
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]
- NEMA Size: 4
- AC Motor Phase: Single; Three
- Standard Rating: NEMA
- Motor Voltage: 200 to 575
from Johnson Controls / FRICK / YORK PROCESS SYSTEMS
At Johnson Controls, we design our Frick ® Starter Control Solutions specifically for forced air evaporators and evaporative condensers. Available in both standard and custom engineered solutions, Frick ® Starter Controls are manufactured for handling ambient conditions, including auxiliary... [See More]
- NEMA Size: 3; 4
- Single Phase Power: 75
- Standard Rating: NEMA
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: 4
- Device Technology: Solid State
- Standard Rating: NEMA
- Continuous Current: 50 to 200
from Appleton Electric
FULL VOLTAGE NON REVERSING STARTER WITH MAGNETIC BREAKER TYPE. EPOXY COATED (INSIDE, OUTSIDE) COPPER FREE ALUMINUM BODY. STAINLESS STEEL SHAFT, BUSHING, EXPOSED HARDWARE MATERIAL. NEMA 0 SIZE. 3 PHASE(S). 3 HP POWER RATING. DUST IGNITION PROOF, EXPLOSION PROOF, WATER TIGHT. THREADED, CLASS I DIV 1... [See More]
- NEMA Size: 4; 7; 9
- AC Motor Phase: Three
- Standard Rating: NEMA
- Continuous Current: 15
from Eaton Corporation
FULL VOLTAGE, NON REVERSING TYPE. NEMA 4 SIZE. VERTICAL MOUNTING. OPEN ENCLOSURE. 135 AMPERE (CONTINUOUS) CURRENT RATING. 3 POLE(S). NEMA CONSTRUCTION STANDARD. 24 VDC COIL VOLTAGE. 40 HP AT 200/208 V 60 HZ 3 PHASE, 50 HP AT 230/240 V 60 HZ 3 PHASE, 100 HP AT 460/480/575/600 V 60 HZ 3 PHASE, 75 HP... [See More]
- NEMA Size: 4
- Motor Voltage: 24
- Standard Rating: NEMA
- Single Phase Power: 40 to 100
from Joyce/Dayton Corp.
Joyce/Dayton offers Variable Speed Positioning Systems (VSPS) for one-third to 3 horsepower motors in a variety of voltages. Variable speed positioning systems are programmable controllers that increase the capability of motorized jacks and actuators by allowing the operator to easily program up to... [See More]
- NEMA Size: 4
- AC Motor Phase: Single (optional feature); Three
- Standard Rating: NEMA
- Motor Voltage: 200 to 575
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: 4
- AC Motor Phase: Three
- Standard Rating: NEMA
- Continuous Current: 135
from Appleton Electric
FULL VOLTAGE NON REVERSING STARTER WITH THERMAL MAGNETIC BREAKER TYPE. EPOXY COATED (INSIDE, OUTSIDE) COPPER FREE ALUMINUM BODY. STAINLESS STEEL SHAFT, BUSHING, EXPOSED HARDWARE MATERIAL. NEMA 1 SIZE. 3 PHASE(S). 5 HP POWER RATING. DUST IGNITION PROOF, EXPLOSION PROOF, WATER TIGHT. THREADED, CLASS I... [See More]
- NEMA Size: 4; 7; 9
- AC Motor Phase: Three
- Standard Rating: NEMA
- Continuous Current: 35
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. NEMA 4 SIZE. VERTICAL MOUNTING. OPEN ENCLOSURE. 135 AMPERE (CONTINUOUS) CURRENT RATING. 3 POLE(S). NEMA CONSTRUCTION STANDARD. 24 VDC COIL VOLTAGE. 40 HP AT 200/208 V 60 HZ 3 PHASE, 50 HP AT 230/240 V 60 HZ 3 PHASE, 100 HP AT 460/480/575/600 V 60 HZ 3 PHASE, 75 HP AT... [See More]
- NEMA Size: 4
- Motor Voltage: 24
- Standard Rating: NEMA
- Single Phase Power: 40 to 100
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: 4
- Continuous Current: 50 to 200
- Standard Rating: NEMA
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 Eaton Corporation
FULL VOLTAGE, NON REVERSING TYPE. NEMA 4 SIZE. 135 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 110 VAC AT 50 HZ, 120 VAC AT 60 HZ COIL VOLTAGE. 1NO LEFT MOUNT AUXILIARY CONTACT. 40 HP AT 208 V, 50 HP AT 240 V, 75 HP AT 380 V 50 HZ, 100 HP AT 480/600 V POWER... [See More]
- NEMA Size: 4
- Continuous Current: 135
- Standard Rating: NEMA
- Motor Voltage: 110 to 120
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: 4
- Continuous Current: 50 to 200
- Standard Rating: NEMA
- Control Voltage: 440 to 480
from Appleton Electric
THERMOPLASTIC POLYETHERIMIDE MATERIAL. UL APPROVAL. 1 HP AT 115 VAC, 2 HP AT 230 VAC, 3 HP AT 460 TO 575 VAC POWER RATING. 2 POLE(S). EXPLOSION PROOF. CLASS I DIV 1 AND 2 GROUP C D, NEMA 3/4X/7C/7D/12 ENCLOSURE TYPE. 1/2 OR 3/4 INCH CONDUIT SIZE. 250 VAC/VDC, 600 VAC MOTOR/LINE VOLTAGE. APPLETON[R]... [See More]
- NEMA Size: 3; 4; 7
- Motor Voltage: 250 to 600
- Standard Rating: NEMA
- Single Phase Power: 1 to 3
from Eaton Corporation
FULL VOLTAGE, REVERSING TYPE. NEMA 4 SIZE. 135 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 110 V AT 50 HZ, 120 V AT 60 HZ COIL VOLTAGE. 1NO-1NC AUXILIARY CONTACT. 40 HP AT 208 V, 50 HP AT 240 V, 75 HP AT 380 V 50 HZ, 100 HP AT 480/600 V POWER RATING/VOLTAGE. BIMETALLIC... [See More]
- NEMA Size: 4
- Continuous Current: 135
- Standard Rating: NEMA
- 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]
- NEMA Size: 3; 4
- AC Motor Phase: Single
- Standard Rating: NEMA
- Number of Poles: 1
from Eaton Corporation
FULL VOLTAGE, NON REVERSING TYPE. NEMA 4 SIZE. 135 AMPERE CURRENT RATING. OPEN ENCLOSURE TYPE. NEMA CONSTRUCTION STANDARD. 24 VDC COIL VOLTAGE. 40 HP AT 200/208 V 60 HZ, 50 HP AT 230/240 V 60 HZ, 100 HP AT 460/480/575/600 V 60 HZ, 75 HP 380 V 50 HZ (UL) POWER RATING/VOLTAGE. SOLID STATE 3 POLE... [See More]
- NEMA Size: 4
- Continuous Current: 135
- Standard Rating: NEMA
- Motor Voltage: 24