Square D: M Frame Circuit Breakers

80 products

  • MA36800 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 800 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, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA26800AC

    MA26800AC

    Brand Square-D
    SKU MA26800AC
    Certified Reconditioned
    $2,495.00 1 in stock
  • MA36300 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 300 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, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA36300

    MA36300

    Brand Square-D
    SKU MA36300
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MA36350 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 350 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, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA36350

    MA36350

    Brand Square-D
    SKU MA36350
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MA36400 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 400 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, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA36400

    MA36400

    Brand Square-D
    SKU MA36400
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MA36450 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 450 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, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA36450

    MA36450

    Brand Square-D
    SKU MA36450
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MA36500 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 500 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, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA36500

    MA36500

    Brand Square-D
    SKU MA36500
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MA36600 MA 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, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA36600

    MA36600

    Brand Square-D
    SKU MA36600
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MA36700 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 700 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, Load End Terminals Standard. With 1 Year Warranty.

    MA36700

    MA36700

    Brand Square-D
    SKU MA36700
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MA36800 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 800 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, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA36800

    MA36800

    Brand Square-D
    SKU MA36800
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,495.00 2 in stock
  • MA36800 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 800 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, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA36900

    MA36900

    Brand Square-D
    SKU MA36900
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,495.00 1 in stock
  • MAL361000 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 1000 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL361000

    MAL361000

    Brand Square-D
    SKU MAL361000
    New Surplus
    $6,950.00
    Certified Reconditioned
    $2,595.00 2 in stock
  • MAL361200 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 1200 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL361200

    MAL361200

    Brand Square-D
    SKU MAL361200
    New Surplus
    $6,950.00 1 in stock
    Certified Reconditioned
    $2,595.00 1 in stock
  • MAL36300 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 300 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL36300

    MAL36300

    Brand Square-D
    SKU MAL36300
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAL36350 in MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 350 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL36350

    MAL36350

    Brand Square-D
    SKU MAL36350
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAL36400 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 400 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL36400

    MAL36400

    Brand Square-D
    SKU MAL36400
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAL36450 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 450 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL36450

    MAL36450

    Brand Square-D
    SKU MAL36450
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAL36500 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL36500

    MAL36500

    Brand Square-D
    SKU MAL36500
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 1 in stock
  • MAL36500 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL365001121

    MAL365001121

    Brand Square-D
    SKU MAL365001121
    Certified Reconditioned
    $2,995.00 1 in stock
  • MAL36600 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL36600

    MAL36600

    Brand Square-D
    SKU MAL36600
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,195.00 2 in stock
  • MAL366001352 MAL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, with 2A-2B Auxilliary Switch Installed, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MAL366001352

    MAL366001352

    Brand Square-D
    SKU MAL366001352
    New Surplus
    $4,995.00
    Certified Reconditioned
    $2,995.00 1 in stock