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Circuit Breakers

A circuit breaker will interrupt the flow of current in an electrical circuit, safeguarding surrounding electrical components and wiring by preventing circuit overloads and short circuits.

a.k.a. MCB, MCCB, molded case breaker, supplementary protection, UL1077, UL489, UL508, MMP, manual motor protector

 

Style:
Product Price Rating Action
  • LSIS_29270771UL_Primary.jpg

    LS Electric

    29270771UL

    Air Circuit Breaker, High Runner, UAH Frame Type, 1600AF Frame Size, 3/4P Standard RST(N), 3 Poles, 1600A, Vertical Terminals, 100/125VAC/DC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ammeter Trip Relay, Neutral CT

    $10,370.14
    $10,370.14
  • LSIS_29280048UL_Primary.jpg

    LS Electric

    29280048UL

    Air Circuit Breaker, High Runner, UAH Frame Type, 5000AF Frame Size, 3/4P Standard RST(N), 3 Poles, 5000A, Vertical Terminals, 100/125VAC/DC (Motor Op, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ammeter Trip Relay, Ext NCT + Comm

    $39,364.54
    $39,364.54
  • LSIS_29280110UL_Primary.jpg

    LS Electric

    29280110UL

    Air Circuit Breaker, High Runner, UAH Frame Type, 5000AF Frame Size, 3/4P Standard RST(N), 3 Poles, 5000A, Vertical Terminals, 100/125VAC/DC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ammeter Trip Relay

    $41,132.49
    $41,132.49
  • LSIS_29280212UL_Primary.jpg

    LS Electric

    29280212UL

    Air Circuit Breaker, High Runner, UAH Frame Type, 4000AF Frame Size, 3/4P Standard RST(N), 3 Poles, 4000A, Drawout, 100/125VAC/DC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ammeter Trip Relay

    $30,546.88
    $30,546.88
  • LSIS_29280269UL_Primary.jpg

    LS Electric

    29280269UL

    Air Circuit Breaker, High Runner, UAH Frame Type, 4000AF Frame Size, 3/4P Standard RST(N), 3 Poles, 4000A, Vertical Terminals, 100/125VAC/DC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ammeter Trip Relay, Neutral CT

    $31,353.51
    $31,353.51
  • LSIS_29290068UL_Primary.jpg

    LS Electric

    29290068UL

    Air Circuit Breaker, High Runner, UAS Frame Type, 800AF Frame Size, 3/4P Standard RST(N), 3 Poles, 800A, Drawout, 100/125VAC/DC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ammeter Trip Relay, External NCT + Comm

    $8,790.03
    $8,790.03
  • LSIS_29290149UL_Primary.jpg

    LS Electric

    29290149UL

    Air Circuit Breaker, High Runner, UAS Frame Type, 1600AF Frame Size, 3/4P Standard RST(N), 3 Poles, 1200A, Vertical Terminals, 24/30VDC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ameter Trip Relay

    $9,220.97
    $9,220.97
  • LSIS_29290151UL_Primary.jpg

    LS Electric

    29290151UL

    Air Circuit Breaker, High Runner, UAS Frame Type, 800AF Frame Size, 3/4P Standard RST(N), 3 Poles, 800A, Drawout, 100/125VAC/DC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Normal Trip Relay

    $7,662.96
    $7,662.96
  • LSIS_29290166UL_Primary.jpg

    LS Electric

    29290166UL

    Air Circuit Breaker, High Runner, UAS Frame Type, 1600AF Frame Size, 3/4P Standard RST(N), 3 Poles, 1600A, Vertical-Con Type, 100/125VAC/DC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ammeter Trip Relay, Neutral CT

    $9,751.36
    $9,751.36

A circuit breaker will interrupt the flow of current in an electrical circuit, safeguarding surrounding electrical components and wiring by preventing circuit overloads and short circuits.

a.k.a. MCB, MCCB, molded case breaker, supplementary protection, UL1077, UL489, UL508, MMP, manual motor protector