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

 

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Product Price Rating Action
  • LSIS_29270380UL_Primary.jpg

    LS Electric

    29270380UL

    UAH-20E3-20V M1D1D1HX AR1U0A1B UL

    Air Circuit Breaker, High Runner, UAH Frame Type, 2000AF Frame Size, 3/4P Standard RST(N), 3 Poles, 2000A, Vertical Terminals, 100/125VAC/DC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ammeter Trip Relay

    $15,030.62
    $15,030.62
  • LSIS_29270700UL_Primary.jpg

    LS Electric

    29270700UL

    UAH-20E3-20V M1D1D1HX AO1U0A1B UL

    Air Circuit Breaker, High Runner, UAH Frame Type, 2000AF Frame Size, 3/4P Standard RST(N), 3 Poles, 2000A, Vertical Terminals, 100/125VAC/DC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ammeter Trip Relay, Neutral CT

    $13,069.86
    $13,069.86
  • LSIS_29270606UL_Primary.jpg

    LS Electric

    29270606UL

    UAH-20E3-20A M1D1D1HX AD1U1A1B UL

    Air Circuit Breaker, High Runner, UAH Frame Type, 2000AF Frame Size, 3/4P Standard RST(N), 3 Poles, 2000A, Drawout, 100/125VAC/DC (Motor Operator, Closing Coil & Shunt Trip), High Capacity Off Charge/5a5b, Ammeter Trip Relay

    $13,006.04
    $13,006.04
  • LSIS_29270771UL_Primary.jpg

    LS Electric

    29270771UL

    UAH-16E3-16V M1D1D1HX AO1U0A1B UL

    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

    $10,888.65
    $10,888.65
  • LSIS_29270602UL_Primary.jpg

    LS Electric

    29270602UL

    UAH-16E3-16A M1D1D1HX AD1U1A1B UL

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

    $10,882.84
    $10,882.84
  • LSIS_29270160UL_Primary.jpg

    LS Electric

    29270160UL

    UAH-08E3-08A M1D1D1HX AN1U0A2B UL

    Air Circuit Breaker, High Runner, UAH 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

    $9,786.44
    $9,786.44
  • LSIS_29290166UL_Primary.jpg

    LS Electric

    29290166UL

    UAS-16D3-16W M1D1D1HX AO1U0A1B UL

    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

    $10,238.93
    $10,238.93
  • LSIS_29290149UL_Primary.jpg

    LS Electric

    29290149UL

    UAS-16D3-12V M4D4D4HX AD2U0B UL

    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

    $9,682.02
    $9,682.02
  • LSIS_29290151UL_Primary.jpg

    LS Electric

    29290151UL

    UAS-08D3-08A M1D1D1HX NH0U0ALB UL

    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

    $8,046.11
    $8,046.11
  • LSIS_29290068UL_Primary.jpg

    LS Electric

    29290068UL

    UAS-08D3-08A M1D1D1HX AN1U0A2B UL

    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

    $9,229.53
    $9,229.53
  • LSIS_29280048UL_Primary.jpg

    LS Electric

    29280048UL

    UAH-50G3-50V M1D1D1HX AN1U0A2B UL

    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

    $41,332.77
    $41,332.77
  • LSIS_29280110UL_Primary.jpg

    LS Electric

    29280110UL

    UAH-50G3-50V M1D1D1HX AM1U0A2B UL

    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

    $43,189.12
    $43,189.12

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