Energy » Circuit Breakers

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165

Used test and measurement

  • Trusted Seller
    Westinghouse Seltronic Breaker Calibration Test

    Westinghouse Seltronic Breaker Calibration Test Unit

    • Manufacturer: Westinghouse

    Used Westinghouse Seltronic Breaker Calibration Test Unit.

    $1,695 USD
    Millis, MA
  • Square D CBTMB Micrologic Series

    Square D CBTMB Micrologic Series B UTS3 Universal Test Set Adapter Module Unit

    • Manufacturer: Square D

    “Tested and works. See pictures” Square D CBTMB Micrologic Series B UTS3 Universal Test Set Adapter Module Unit In good working and cosmetic condition. Tested and works. See pictures I will ship within one busine...

    $1,500 USD
    Houston, TX
  • Trusted Seller
    Murray DB043, 400A, 120/240V, 3PH,

    Murray DB043, 400A, 120/240V, 3PH, Modular Meter Circuit Breaker Enclosure-MB358

    • Manufacturer: Murray

    This listing is for: (1) MURRAY DB043 MODULAR METER STACK CIRCUIT BREAKER ENCLOSURE 400 AMP, 120/240 VOLT, 3 PHASE, 4 WIRE PROVISION FOR JXD63B400 ETC.. TYPE BREAKER, SOLD SEPARATELY NEMA 1 ENCLOSURE, INDOOR RATE...

    $2,000 USD
    North Hampton, NH
  • Schneider Electric MGL36800

    Schneider Electric MGL36800

    • Manufacturer: Schneider Electric

    “Tested and works. See pictures” Schneider Electric MGL36800 Square D PowerPacT M 800A 3-Pole Circuit Breaker In good working and cosmetic condition. Tested and works. See pictures I will ship within one business...

    $1,900 USD
    Houston, TX
  • Square D JJA36175

    Square D JJA36175

    • Manufacturer: Square D
    • Model: JJA36175

    Sealed Schneider Electric JJA36175 Square D PowerPacT JJ 250 Breaker 175A In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free to ask ...

    $850 USD
    Houston, TX
  • Square D PJA36080U44A

    Square D PJA36080U44A

    • Manufacturer: Square D

    Sealed Schneider Electric PJA36080U44A Square D PowerPacT PJ 800 Breaker In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free to ask a...

    $5,000 USD
    Houston, TX
  • Schneider Electric LJA36400U33X

    Schneider Electric LJA36400U33X

    • Manufacturer: Schneider Electric

    Surplus Sealed Schneider Electric LJA36400U33X Square D PowerPact LJ 400 Breaker In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free ...

    $2,500 USD
    Houston, TX
  • New Square D PowerPact HDA36150

    New Square D PowerPact HDA36150 150 Amp I-Line Circuit Breaker 600 VAC 3 Pole

    • Manufacturer: Square D

    New Square D PowerPact HDA36150 150 Amp I-Line Circuit Breaker 600 VAC 3 Pole In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free to ...

    $700 USD
    Houston, TX
  • Square D LA36400

    Square D LA36400

    • Manufacturer: Square D
    • Model: LA36400

    New Square D LA36400 I-Line Circuit Breaker 400A 3P 600V 3PH Type LA 400 In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free to ask a...

    $2,000 USD
    Houston, TX
  • Square D PowerPact

    Square D PowerPact

    • Manufacturer: Square D
    • Model: POWERPACT

    New Square D LJL36400U31X 400 Amp 3 Pole 600 VAC 25kA Power Pact Circuit Breaker In new working and cosmetic condition. Never used I will ship within one business day. International buyers are welcome Feel free t...

    $2,500 USD
    Houston, TX
  • Square D HD150

    Square D HD150

    • Manufacturer: Square D
    • Model: HD150

    New Square D HDA36100 PowerPact I-Line Circuit Breaker 100A 600V 3P HDA In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free to ask an...

    $600 USD
    Houston, TX
  • Square D Square D JJA36200

    Square D Square D JJA36200

    • Manufacturer: Square D
    • Model: JJA36200

    New Schneider Electric JJA36200 Square D PowerPact JJ 200A Circuit Breaker In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free to ask...

    $900 USD
    Houston, TX
  • Schneider Electric MJA36800

    Schneider Electric MJA36800

    • Manufacturer: Schneider Electric

    Sealed Schneider Electric MJA36800 Square D PowerPact MJ800 800A Breaker I-Line In new working and cosmetic condition. New sealed. Never used. See pictures I will ship within one business day. International buyer...

    $4,200 USD
    Houston, TX
  • Schneider Electric GV5PB

    Schneider Electric GV5PB

    • Manufacturer: Schneider Electric

    New Schneider Electric GV5PB250N TeSys GV5PB Motor Protection Circuit Breaker 3P In new working and cosmetic condition. New never used. See pictures I will ship within one business day. International buyers are w...

    $700 USD
    Houston, TX
  • Square D PJA

    Square D PJA

    • Manufacturer: Square D
    • Model: PJA

    New Square D PJA36120U44A Circuit breaker 1200A 3P 600VAC 25kA PowerPact I-Line In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free t...

    $8,000 USD
    Houston, TX
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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.