Contactor accessories include front and side-mount auxiliary contacts, bus rails, coil surge suppressors, and interlocks. Check out our collections here!
Contactor Accessories
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WEG WEG EC-SD-30 Star-Delta Bus Bar Kit for CWM40 Contactors
WEG CWM Star-Delta Bus Bars provide a clean simple wiring harness for connecting CWM contactors together to provide a Star-Delta reduced current motor startup. Used to reduce in-rush motor starting current in applications where full starting torque is not required. Features For 2 CWM40 and 1 CWM25 Contactor Low-Profile bus-bar for clean fast installation Documentation WEG CWM Flyer WEG CWM Catalog CWM Busbar Installation
$42.15
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WEG WEG EC-SD-25 Star-Delta Bus Bar Kit for CWM32 Contactors
WEG CWM Star-Delta Bus Bars provide a clean simple wiring harness for connecting CWM contactors together to provide a Star-Delta reduced current motor startup. Used to reduce in-rush motor starting current in applications where full starting torque is not required. Features For 2 CWM32 and 1 CWM18 Contactor Low-Profile bus-bar for clean fast installation Documentation WEG CWM Flyer WEG CWM Catalog CWM Busbar Installation
$34.41
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WEG WEG EC-SD-22 Star-Delta Bus Bar Kit for CWM25 Contactors
WEG CWM Star-Delta Bus Bars provide a clean simple wiring harness for connecting CWM contactors together to provide a Star-Delta reduced current motor startup. Used to reduce in-rush motor starting current in applications where full starting torque is not required. Features For 2 CWM25 and 1 CWM18 Contactor Low-Profile bus-bar for clean fast installation Documentation WEG CWM Flyer WEG CWM Catalog CWM Busbar Installation
$33.55
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WEG WEG EC-SD-15 Star-Delta Bus Bar Kit for CWM18 Contactors
WEG CWM Star-Delta Bus Bars provide a clean simple wiring harness for connecting CWM contactors together to provide a Star-Delta reduced current motor startup. Used to reduce in-rush motor starting current in applications where full starting torque is not required. Features For 2 CWM18 and 1 CWM9-12 Contactor Low-Profile bus-bar for clean fast installation Documentation WEG CWM Flyer WEG CWM Catalog CWM Busbar Installation
$25.81
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WEG WEG EC-R-11 Reversing Bus Bar Kit for CWM25 Contactors
WEG CWM Reversing Bus Bars provide a clean simple wiring harness for connecting two same-sized CWM contactors together to provide phase-reversing. Used for starting motors in both forward and reverse directions. Features For CWM25 contactors Low-Profile bus-bar for clean fast installation Documentation WEG CWM Flyer WEG CWM Catalog CWM Busbar Installation
$33.33
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WEG WEG EC-R-7.5 Reversing Bus Bar Kit for CWM9-18 Contactors
WEG CWM Reversing Bus Bars provide a clean simple wiring harness for connecting two same-sized CWM contactors together to provide phase-reversing. Used for starting motors in both forward and reverse directions. Features For CWM9, CWM12, and CWM18 contactors Low-Profile bus-bar for clean fast installation Documentation WEG CWM Flyer WEG CWM Catalog CWM Busbar Installation
$19.35
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WEG WEG EC-R-37 Reversing Bus Bar Kit for CWM50-80 Contactors
WEG CWM Reversing Bus Bars provide a clean simple wiring harness for connecting two same-sized CWM contactors together to provide phase-reversing. Used for starting motors in both forward and reverse directions. Features For CWM50, CWM65, and CWM80 contactors Low-Profile bus-bar for clean fast installation Documentation WEG CWM Flyer WEG CWM Catalog CWM Busbar Installation
$49.49
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WEG WEG EC-R-18.5 Reversing Bus Bar Kit for CWM30-40 Contactors
WEG CWM Reversing Bus Bars provide a clean simple wiring harness for connecting two same-sized CWM contactors together to provide phase-reversing. Used for starting motors in both forward and reverse directions. Features For CWM30 and CWM40 contactors Low-Profile bus-bar for clean fast installation Documentation WEG CWM Flyer WEG CWM Catalog CWM Busbar Installation
$39.39
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WEG WEG BMJ CWM800 Lugs for CWM800 Contactors
WEG CWM lugs can be used for attaching 1 or power cables to the larger CWM contactors. Features Wire Sizes 2x 3/0 to 600 kcmil AWG Compatible with CWM800 Contactors 3-Lugs in kit Documentation WEG CWM Flyer WEG CWM Catalog CWM Lugs Installation
$79.79
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WEG WEG BMJ CWM400 Lugs for CWM400 Contactors
WEG CWM lugs can be used for attaching 1 or power cables to the larger CWM contactors. Features Wire Sizes 2x 3 to 4/0 AWG Compatible with CWM400 Contactors 3-Lugs in kit Documentation WEG CWM Flyer WEG CWM Catalog CWM Lugs Installation
$49.49
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WEG WEG BMP CWM800 Terminal Cover Pair for CWM800 3-Pole Contactors
WEG CWM terminal covers provide protection against finger touch to help prevent electric shock. Features Kit includes 2 covers Compatible with CWM800 3-Pole Contactors Documentation WEG CWM Flyer WEG CWM Catalog CWM Cover Installation
$55.55
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WEG WEG BMP CWM400 Terminal Cover Pair for CWM400 3-Pole Contactors
WEG CWM terminal covers provide protection against finger touch to help prevent electric shock. Features Kit includes 2 covers Compatible with CWM400 3-Pole Contactors Documentation WEG CWM Flyer WEG CWM Catalog CWM Cover Installation
$30.30
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WEG WEG BMP CWM300 Terminal Cover Pair for CWM250/300 Contactors
WEG CWM terminal covers provide protection against finger touch to help prevent electric shock. Features Kit includes 2 covers Compatible with CWM250 & CWM300 Contactors Documentation WEG CWM Flyer WEG CWM Catalog CWM Cover Installation
$63.13
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WEG WEG BMP CWM180 Terminal Cover Pair for CWM180/215 Contactors
WEG CWM terminal covers provide protection against finger touch to help prevent electric shock. Features Kit includes 2 covers Compatible with CWM180 & CWM215 Contactors Documentation WEG CWM Flyer WEG CWM Catalog CWM Cover Installation
$63.13
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WEG WEG BMP CWM150 Terminal Cover Pair for CWM112/150 Contactors
WEG CWM terminal covers provide protection against finger touch to help prevent electric shock. Features Kit includes 2 covers Compatible with CWM112 & CWM150 Contactors Documentation WEG CWM Flyer WEG CWM Catalog CWM Cover Installation
$63.13
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WEG WEG BLIM.02 9-105 Mechanical and Electrical Interlock for CWM9-105 Contactors
WEG CWM interlocks provide a mechanism to prevent two side-by-side contactors from engaging at the same time. This can prevent catastrophic short-circuits on configurations such as reversing contactors Features Provides Mechanical and Electrical Interlock between two contactors Compatible with CWM9 to CWM105 Contactors Contactors must be same frame size Documentation WEG CWM Flyer WEG CWM Catalog CWM9-105 Interlock Installation
$20.20
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WEG WEG BLIM CWM800 Mechanical Interlock for 3-Pole CWM500-800 Contactors
WEG CWM interlocks provide a mechanism to prevent two side-by-side contactors from engaging at the same time. This can prevent catastrophic short-circuits on configurations such as reversing contactors Features Provides Mechanical Interlock between two contactors Compatible with 3-Pole CWM500, CWM630, CWM800 Contactors Contactors must be same frame size Documentation WEG CWM Flyer WEG CWM Catalog CWM500-800 Interlock Installation
$934.25
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WEG WEG BLIM CWM400 Mechanical Interlock for CWM400 Contactors
WEG CWM interlocks provide a mechanism to prevent two side-by-side contactors from engaging at the same time. This can prevent catastrophic short-circuits on configurations such as reversing contactors Features Provides Mechanical Interlock between two contactors Compatible with CWM400 3&4 Pole Contactors Contactors must be same frame size Documentation WEG CWM Flyer WEG CWM Catalog CWM400 Interlock Installation
$31.82
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WEG WEG BLIM 9-105 Mechanical Interlock for CWM9-105 Contactors
WEG CWM interlocks provide a mechanism to prevent two side-by-side contactors from engaging at the same time. This can prevent catastrophic short-circuits on configurations such as reversing contactors Features Provides Mechanical Interlock between two contactors Compatible with CWM9 to CWM105 Contactors Contactors must be same frame size Documentation WEG CWM Flyer WEG CWM Catalog CWM9-105 Interlock Installation
$14.65
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WEG WEG BLIM 112-300 Mechanical Interlock for 3-Pole CWM112-300,450,560 Contactors
WEG CWM interlocks provide a mechanism to prevent two side-by-side contactors from engaging at the same time. This can prevent catastrophic short-circuits on configurations such as reversing contactors Features Provides Mechanical Interlock between two contactors Compatible with CWM112 to CWM300,CWM450,CWM560 3-Pole Contactors Contactors must be same frame size Documentation WEG CWM Flyer WEG CWM Catalog CWM112-300 Interlock Installation
$38.89
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WEG WEG BCXMRL20 2 N.O. Aux Combo contacts for CWM9-300
WEG CWM auxiliary contacts can be added to front or side of CWM-series contactors for additional control contacts. Features 2 Normally Open (NO) Contacts Designed for adding additional Aux contacts to side Mounts on Left Side Compatible with CWM9 to CWM300 Contactors Terminal Markings to EN 50 005 and EN 50 012 Positive driven contacts in accordance with IEC 60947-4-1 Documentation WEG CWM Flyer WEG CWM Catalog
$11.11
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WEG WEG BCXMRL11 CWM800 1 NO/1 NC Aux Combo contacts for CWM400-800
WEG CWM auxiliary contacts can be added to front or side of CWM-series contactors for additional control contacts. Features 1 Normally Open (NO) Contact, 1 Normally Closed (NC) Contact Designed for adding additional Aux contacts to side Mounts on Left Side Compatible with CWM400, CWM500, CWM630, and CWM800 Contactors Terminal Markings to EN 50 005 and EN 50 012 Positive driven contacts in accordance with IEC 60947-4-1 Documentation WEG CWM Flyer WEG CWM Catalog
$32.83
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WEG WEG BCXMRL11 1 NO/1 NC Aux Combo contacts for CWM9-300
WEG CWM auxiliary contacts can be added to front or side of CWM-series contactors for additional control contacts. Features 1 Normally Open (NO) Contact, 1 Normally Closed (NC) Contact Designed for adding additional Aux contacts to side Mounts on Left Side Compatible with CWM9 to CWM300 Contactors Terminal Markings to EN 50 005 and EN 50 012 Positive driven contacts in accordance with IEC 60947-4-1 Documentation WEG CWM Flyer WEG CWM Catalog
$9.46
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WEG WEG BCXML20 2 N.O. Aux contacts for CWM9-300
WEG CWM auxiliary contacts can be added to front or side of CWM-series contactors for additional control contacts. Features 2 Normally Open (NO) Contacts Mounts on Left Side Compatible with CWM9 to CWM300 Contactors Terminal Markings to EN 50 005 and EN 50 012 Positive driven contacts in accordance with IEC 60947-4-1 Documentation WEG CWM Flyer WEG CWM Catalog
$11.11
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WEG WEG BCXML11 CWM800 1 NO/1 NC Aux contacts for CWM400-800
WEG CWM auxiliary contacts can be added to front or side of CWM-series contactors for additional control contacts. Features 1 Normally Open (NO) Contact, 1 Normally Closed (NC) Contact Mounts on Left Side Compatible with CWM400, CWM500, CWM630, and CWM800 Contactors Terminal Markings to EN 50 005 and EN 50 012 Positive driven contacts in accordance with IEC 60947-4-1 Documentation WEG CWM Flyer WEG CWM Catalog
$32.83
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WEG WEG BAMV2 D73 Coil Surge Suppressor 400-510 VAC for CWM9-105 Contactors
WEG coil supresssors are used to reduce coil kickback voltages when the coil is de-energized. They help protect sensitive driving electronics and extend coil life. Features Compatible with CWM9 to CWM105 Contactors Suppresses voltage spikes from coil operation Protects sensitive coil activation electronics Reduces EMI during coil operation. Documentation WEG CWM Flyer WEG CWM Catalog
$15.15
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WEG WEG BAMV1 D68 Coil Surge Suppressor 270-380 VAC for CWM9-105 Contactors
WEG coil supresssors are used to reduce coil kickback voltages when the coil is de-energized. They help protect sensitive driving electronics and extend coil life. Features Compatible with CWM9 to CWM105 Contactors Suppresses voltage spikes from coil operation Protects sensitive coil activation electronics Reduces EMI during coil operation. Documentation WEG CWM Flyer WEG CWM Catalog
$15.15
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WEG WEG BAMRC7 D53 Coil Surge Suppressor 24-48 VAC for CWM50-105 Contactors
WEG coil supresssors are used to reduce coil kickback voltages when the coil is de-energized. They help protect sensitive driving electronics and extend coil life. Features Compatible with CWM50 to CWM105 Contactors Suppresses voltage spikes from coil operation Protects sensitive coil activation electronics Reduces EMI during coil operation. Documentation WEG CWM Flyer WEG CWM Catalog
$15.15
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WEG WEG BAMRC6 D63 Coil Surge Suppressor 130-250 VAC for CWM9-40 Contactors
WEG coil supresssors are used to reduce coil kickback voltages when the coil is de-energized. They help protect sensitive driving electronics and extend coil life. Features Compatible with CWM9 to CWM40 Contactors Suppresses voltage spikes from coil operation Protects sensitive coil activation electronics Reduces EMI during coil operation. Documentation WEG CWM Flyer WEG CWM Catalog
$15.15
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WEG WEG BAMRC4 D53 Coil Surge Suppressor 24-48 VAC for CWM9-40 Contactors
WEG coil supresssors are used to reduce coil kickback voltages when the coil is de-energized. They help protect sensitive driving electronics and extend coil life. Features Compatible with CWM9 to CWM40 Contactors Suppresses voltage spikes from coil operation Protects sensitive coil activation electronics Reduces EMI during coil operation. Documentation WEG CWM Flyer WEG CWM Catalog
$12.90
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WEG Weg EC-R3 Reversing Bus Bar Kit for CWB95-CWB125 Contactors for CWB Contactors
Weg reversing bus bars for CWB contactors provide an easy means of building a reversing contactor for 3-phase electric motors. Compatible Contactors for the EC-R3 Bus bar CWB95, CWB110, CWB125, CWBN3, How to Build a Reversing Contactor Items Needed 2 Weg CWB contactors, appropriately sized for the motor current. 1 Weg IM1 or IM2 interlock, depending on contactor size 1 set of Weg Reversing Bus bars, EC-R1,EC-R2, or EC-R3 (optional-strongly advised) Motor Overload Protection Relay, such as the Weg RW27 or RWB series Steps (see assembly photo): Mount the two CWB contactors side-by-side with the mechanical interlock sandwiched in-between. Attach the bus bar with the two small tabs on the top of the two contactors Attach the bus bar without any tabs to the bottom of the two contactors Connect the two coils up to the appropriate switches or other controls Connect incoming power, appropriately fused, to the top of the left contactor Connect the motor leads to the bottom of the left contactor Optional: Connect overload relay to bottom of left contactor, then connect motor leads to bottom of overload relay. Wire overload relay contacts appropriately with control to the contactor coils (beyond scope of this guide). Documentation Weg CWB Flyer Weg CWB & RW27 Catalog
$46.10
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WEG Weg EC-R2 Reversing Bus Bar Kit for CWB40-CWB80 Contactors for CWB Contactors
Weg reversing bus bars for CWB contactors provide an easy means of building a reversing contactor for 3-phase electric motors. Compatible Contactors for the EC-R2 Bus bar CWB40, CWB50, CWBN2, CWB65, CWB80, How to Build a Reversing Contactor Items Needed 2 Weg CWB contactors, appropriately sized for the motor current. 1 Weg IM1 or IM2 interlock, depending on contactor size 1 set of Weg Reversing Bus bars, EC-R1,EC-R2, or EC-R3 (optional-strongly advised) Motor Overload Protection Relay, such as the Weg RW27 or RWB series Steps (see assembly photo): Mount the two CWB contactors side-by-side with the mechanical interlock sandwiched in-between. Attach the bus bar with the two small tabs on the top of the two contactors Attach the bus bar without any tabs to the bottom of the two contactors Connect the two coils up to the appropriate switches or other controls Connect incoming power, appropriately fused, to the top of the left contactor Connect the motor leads to the bottom of the left contactor Optional: Connect overload relay to bottom of left contactor, then connect motor leads to bottom of overload relay. Wire overload relay contacts appropriately with control to the contactor coils (beyond scope of this guide). Documentation Weg CWB Flyer Weg CWB & RW27 Catalog
$34.58
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WEG Weg EC-R1 Reversing Bus Bar Kit for CWB9-CWB38 Contactors for CWB Contactors
Weg reversing bus bars for CWB contactors provide an easy means of building a reversing contactor for 3-phase electric motors. Compatible Contactors for the EC-R1 Bus bar CWB9, CWBN00, CWB12, CWB18, CWBN0, CWB25, CWBN1, CWB32, CWB38, How to Build a Reversing Contactor Items Needed 2 Weg CWB contactors, appropriately sized for the motor current. 1 Weg IM1 or IM2 interlock, depending on contactor size 1 set of Weg Reversing Bus bars, EC-R1,EC-R2, or EC-R3 (optional-strongly advised) Motor Overload Protection Relay, such as the Weg RW27 or RWB series Steps (see assembly photo): Mount the two CWB contactors side-by-side with the mechanical interlock sandwiched in-between. Attach the bus bar with the two small tabs on the top of the two contactors Attach the bus bar without any tabs to the bottom of the two contactors Connect the two coils up to the appropriate switches or other controls Connect incoming power, appropriately fused, to the top of the left contactor Connect the motor leads to the bottom of the left contactor Optional: Connect overload relay to bottom of left contactor, then connect motor leads to bottom of overload relay. Wire overload relay contacts appropriately with control to the contactor coils (beyond scope of this guide). Documentation Weg CWB Flyer Weg CWB & RW27 Catalog
$27.66
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WEG Weg VRB E50 Coil Suppressor Plug-In for CWB Contactors
The Weg CWB Plug-in surge suppressors quench the high voltage spikes inherent in magnetic coils when power is applied or removed. These suppressors help increase the life-splan of relay and switch contacts and protect sensitive electronics which may be used to turn on the contactor. Strongly recommended for applications where the contactor is controlled by a PLC or other electronic means. Weg offers three types: RC-Circuit, Varistor, and Diode. RC circuit types are generally recommended for AC coils. Varistor types can be used for either AC or DC coils. Diode type suppressors are recommended for DC coils only, and polarity must be observed when using the diode plug-in. Catalog No. VRB E50 Suppresor Type Varistor Voltage 130-250VAC, 180-300VDC Compatible with all Weg CWB series contactors. Documentation Weg CWB Flyer Weg CWB & RW27 Catalog
$13.83
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WEG Weg VRB E49 Coil Suppressor Plug-In for CWB Contactors
The Weg CWB Plug-in surge suppressors quench the high voltage spikes inherent in magnetic coils when power is applied or removed. These suppressors help increase the life-splan of relay and switch contacts and protect sensitive electronics which may be used to turn on the contactor. Strongly recommended for applications where the contactor is controlled by a PLC or other electronic means. Weg offers three types: RC-Circuit, Varistor, and Diode. RC circuit types are generally recommended for AC coils. Varistor types can be used for either AC or DC coils. Diode type suppressors are recommended for DC coils only, and polarity must be observed when using the diode plug-in. Catalog No. VRB E49 Suppresor Type Varistor Voltage 12-48VAC, 12-60VDC Compatible with all Weg CWB series contactors. Documentation Weg CWB Flyer Weg CWB & RW27 Catalog
$13.83
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WEG Weg VRB E41 Coil Suppressor Plug-In for CWB Contactors
The Weg CWB Plug-in surge suppressors quench the high voltage spikes inherent in magnetic coils when power is applied or removed. These suppressors help increase the life-splan of relay and switch contacts and protect sensitive electronics which may be used to turn on the contactor. Strongly recommended for applications where the contactor is controlled by a PLC or other electronic means. Weg offers three types: RC-Circuit, Varistor, and Diode. RC circuit types are generally recommended for AC coils. Varistor types can be used for either AC or DC coils. Diode type suppressors are recommended for DC coils only, and polarity must be observed when using the diode plug-in. Catalog No. VRB E41 Suppresor Type Varistor Voltage 277-380VAC, 300-510VDC Compatible with all Weg CWB series contactors. Documentation Weg CWB Flyer Weg CWB & RW27 Catalog
$13.83
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