Square D: M Frame Circuit Breakers

79 products

  • MAL3660033T1121, MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, Interrupting Ratings: 42 Kiloampere @ 240 VAC, 30 Kiloampere @ 480 VAC, 22 Kiloampere @ 600 VAC, 14 Kiloampere @ 250 VDC, with 120VAC UVR, Line and Load End Terminals Standard

    MAL3660033T1121

    MAL3660033T1121

    Brand Square-D
    SKU MAL3660033T1121
    New Surplus
    $4,995.00 1 in stock
    Certified Reconditioned
    $2,995.00 2 in stock
  • MAL36700 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 700 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL36700

    MAL36700

    Brand Square-D
    SKU MAL36700
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAL36800 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL36800

    MAL36800

    Brand Square-D
    SKU MAL36800
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAL36800 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL36900

    MAL36900

    Brand Square-D
    SKU MAL36900
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAP361000 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 1000 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAP361000

    MAP361000

    Brand Square-D
    SKU MAP361000
    New Surplus
    $6,495.00
    Certified Reconditioned
    $2,995.00 1 in stock
  • MAP361200 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 1200 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAP361200

    MAP361200

    Brand Square-D
    SKU MAP361200
    New Surplus
    $6,495.00
    Certified Reconditioned
    $2,995.00 1 in stock
  • MAP36300 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 300 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAP36300

    MAP36300

    Brand Square-D
    SKU MAP36300
    New Surplus
    $3,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAP36350 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 350 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAP36350

    MAP36350

    Brand Square-D
    SKU MAP36350
    New Surplus
    $3,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAP36400 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 400 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAP36400

    MAP36400

    Brand Square-D
    SKU MAP36400
    New Surplus
    $3,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAP36450 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 450 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAP36450

    MAP36450

    Brand Square-D
    SKU MAP36450
    New Surplus
    $3,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAP36500 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified MAP36450 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 450 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.Reconditioned with 1 Year Warranty.

    MAP36500

    MAP36500

    Brand Square-D
    SKU MAP36500
    New Surplus
    $3,995.00
    Certified Reconditioned
    $1,950.00 1 in stock
  • MAP36600 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAP36600

    MAP36600

    Brand Square-D
    SKU MAP36600
    New Surplus
    $4,595.00
    Certified Reconditioned
    $1,950.00 1 in stock
  • MAP36700 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 700 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAP36700

    MAP36700

    Brand Square-D
    SKU MAP36700
    New Surplus
    $3,995.00
    Certified Reconditioned
    $1,950.00 1 in stock
  • MAP36800 MAP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAP36800

    MAP36800

    Brand Square-D
    SKU MAP36800
    New Surplus
    $4,595.00
    Certified Reconditioned
    $1,950.00 1 in stock
  • ME36800LSG ME Frame Style, Molded Case Circuit Breaker, Electronic Trip Unit, I-Line Plug In Style, 100% Rated, 800 Ampere at 40 Degree Celsius, 3 Pole, High Interrupting Capacity, Interrupting Rating: 65 Kiloampere @ 480 VAC, Load End Terminals Standard. With 1 Year Warranty.

    ME36800LSG

    ME36800LSG

    Brand Square-D
    SKU ME36800LSG
    Certified Reconditioned
    $2,195.00 1 in stock
  • MGA36400

    MGA36400

    MGA36400

    Brand Square-D
    SKU MGA36400
    New Surplus
    $4,995.00 1 in stock
    Certified Reconditioned
    $3,195.00
  • MGL36400

    MGL36400

    MGL36400

    Brand Square-D
    SKU MGL36400
    New Surplus
    $4,995.00 1 in stock
    Certified Reconditioned
    $3,195.00
  • MH36300 MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 300 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MH36300

    MH36300

    Brand Square-D
    SKU MH36300
    New Surplus
    $6,595.00
    Certified Reconditioned
    $2,995.00 1 in stock
  • MH36350 in New Surplus and Certified Reconditioned MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 350 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. 1 Year Warranty.

    MH36350

    MH36350

    Brand Square-D
    SKU MH36350
    New Surplus
    $6,595.00
    Certified Reconditioned
    $2,995.00 1 in stock
  • MH36400 MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 400 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MH36400

    MH36400

    Brand Square-D
    SKU MH36400
    New Surplus
    $6,595.00
    Certified Reconditioned
    $2,995.00 1 in stock