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  • Square D QMJ361T Ser E1

    Square D QMJ361T Ser E1 Branch Switch, 30A 600V 3Pole. 4F-37

    • Manufacturer: Square D
    • Model: QMJ361T

    Items are spares/engineering demo hookups that were pulled from a industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, P...

    $750 USD
    Duncan, SC
  • SIEMENS LD3KB150 TYPE LDGB CIRCUIT

    SIEMENS LD3KB150 TYPE LDGB CIRCUIT BREAKER, 150A 3-POLE. 4E-39

    • Manufacturer: Siemens

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $800 USD
    Duncan, SC
  • ABB SACE Tmax T5N 400

    ABB SACE Tmax T5N 400 Circuit Breaker, 400AMP, 600V 3Pole. 1C-27

    • Manufacturer: ABB

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $925 USD
    Duncan, SC
  • Siemens LDK3B060 Circuit Breaker, 60A

    Siemens LDK3B060 Circuit Breaker, 60A 220-690V. 4E-39

    • Manufacturer: Siemens

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $950 USD
    Duncan, SC
  • Westinghouse NC31200WK 1200AMP 3Pole Breaker.

    Westinghouse NC31200WK 1200AMP 3Pole Breaker. 1E

    • Manufacturer: Westinghouse

    ***Last unit in inventory does not have lug nuts*** Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Ser...

    $950 USD
    Duncan, SC
  • Square D FAL34080 80A Breaker

    Square D FAL34080 80A Breaker w/Square D 9422CFA30 Cable Mechanism. 1E

    • Manufacturer: Square D

    Items are spares/engineering storage room that was from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, PLC's, S...

    $425 USD
    Duncan, SC
  • Siemens NFK3B150 3-Pole Circuit Breaker,

    Siemens NFK3B150 3-Pole Circuit Breaker, 150A, 220-690V. 4E-39

    • Manufacturer: Siemens

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $1,500 USD
    Duncan, SC
  • Square D MAL36700 (MA700A) Circuit

    Square D MAL36700 (MA700A) Circuit Breaker, 700A, 3P (REFURB) 1C-23

    • Manufacturer: Square D

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $1,500 USD
    Duncan, SC
  • Siemens NFK3B250 Circuit Breaker, 250A,

    Siemens NFK3B250 Circuit Breaker, 250A, 3-Pole, 220-690V. 4E-39

    • Manufacturer: Siemens

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $1,850 USD
    Duncan, SC
  • SIEMENS LFK3B250 BREAKER, 250A 600Y/347V~250VDC THERMAL/MAGNETIC.

    SIEMENS LFK3B250 BREAKER, 250A 600Y/347V~250VDC THERMAL/MAGNETIC. 1-E7

    • Manufacturer: Siemens

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $4,500 USD
    Duncan, SC
  • Siemens 3VL2106-2GE33-0AA0 HDX3P060F 60A Molded

    Siemens 3VL2106-2GE33-0AA0 HDX3P060F 60A Molded Case Circuit Breaker. 1D-68

    • Manufacturer: Siemens

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $149 USD
    Duncan, SC
  • Square D HGL36050 Circuit Breaker,

    Square D HGL36050 Circuit Breaker, 50A, 3P, 600V. 1D-66

    • Manufacturer: Square D

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $225 USD
    Duncan, SC
  • Eaton KD3400F 400A Circuit Breaker

    Eaton KD3400F 400A Circuit Breaker w/KT3400T Thermal Magnetic Trip Unit. 1D-65

    • Manufacturer: Eaton

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $750 USD
    Duncan, SC
  • Socomec 22013003 SIRCO M30 Load

    Socomec 22013003 SIRCO M30 Load Break Switch, 690V, 32A. 4C-47

    • Manufacturer: Socomec

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $135 USD
    Duncan, SC
  • ABB SACE Tmax T5H 100A

    ABB SACE Tmax T5H 100A Circuit Breaker, 480V, 3Pole. 1D-66

    • Manufacturer: ABB

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $200 USD
    Duncan, SC
56789

Overview

Circuit breakers are essential safety devices that protect electrical circuits from damage caused by overloads or short circuits. They automatically interrupt the flow of electricity when a fault is detected, preventing potential fires and equipment damage. Circuit breakers are used in residential, commercial, and industrial settings to ensure electrical safety and reliability.

FAQ

What should I consider when buying a used circuit breaker?

Check the breaker’s amperage rating, compatibility with your electrical system, and overall condition. Ensure it has been tested and certified for safety.

How do I ensure the circuit breaker is shipped safely to my location?

Use a transport service that specializes in delicate electrical components. Ensure the breaker is well-packaged and cushioned to prevent damage during transit.

What is the maintenance schedule for a circuit breaker?

Regular maintenance includes visual inspections for signs of wear or damage, testing for proper operation, and cleaning any dust or debris from the breaker. Consult the manufacturer’s manual for detailed maintenance intervals.