Square D: Circuit Breakers

Square D Circuit Breakers

599 products

  • MHL36900 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 900 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL36900

    MHL36900

    From $3,995.00 USD
    From $3,995.00 USD
  • MHP361000 MHP 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.

    MHP361000

    MHP361000

    From $4,995.00 USD
    From $4,995.00 USD
  • MHP36300 MHP 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.

    MHP36300

    MHP36300

    From $3,995.00 USD
    From $3,995.00 USD
  • MHP36350 MHP 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.

    MHP36350

    MHP36350

    From $3,995.00 USD
    From $3,995.00 USD
  • MHP36400 MHP 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.

    MHP36400

    MHP36400

    From $3,995.00 USD
    From $3,995.00 USD
  • MHP36450 MHP 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.

    MHP36450

    MHP36450

    From $3,995.00 USD
    From $3,995.00 USD
  • MHP36500 MHP 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 Reconditioned with 1 Year Warranty.

    MHP36500

    MHP36500

    From $3,995.00 USD
    From $3,995.00 USD
  • MHP36600 MHP 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.

    MHP36600

    MHP36600

    From $3,995.00 USD
    From $3,995.00 USD
  • MHP36700 MHP 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.

    MHP36700

    MHP36700

    From $3,995.00 USD
    From $3,995.00 USD
  • MHP36800 MHP 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.

    MHP36800

    MHP36800

    From $3,995.00 USD
    From $3,995.00 USD
  • MX36100 MX (I-Line) Frame Style, Molded Case Circuit Breaker, 250 Amp Sensor Size, Electronic Non-Interchangeable Trip Unit, LSI Trip Unit Functions, 100 Ampere at 40 Degree Celsius, 3 Pole, with ARP040 Rating Plug Installed Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MX36100

    Contact Us

    MX36100

    Contact Us
  • MX36100G MX (I-Line) Frame Style, Molded Case Circuit Breaker, 250 Amp Sensor Size, Electronic Non-Interchangeable Trip Unit, LSIG Trip Unit Functions, 100 Ampere at 40 Degree Celsius, 3 Pole, with ARP040 Rating Plug Installed Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MX36100G

    Contact Us

    MX36100G

    Contact Us
  • MXF36100 MXF Frame Style, Molded Case Circuit Breaker, 250 Amp Sensor Size, Electronic Non-Interchangeable Trip Unit, LSI Trip Unit Functions, 100 Ampere at 40 Degree Celsius, 3 Pole, Front Connected, No Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MXF36100

    Contact Us

    MXF36100

    Contact Us
  • MXF36100G MXF Frame Style, Molded Case Circuit Breaker, 250 Amp Sensor Size, Electronic Non-Interchangeable Trip Unit, LSIG Trip Unit Functions, 100 Ampere at 40 Degree Celsius, 3 Pole, Front Connected, No Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MXF36100G

    Contact Us

    MXF36100G

    Contact Us
  • MXF36800 MXF Frame Style, Molded Case Circuit Breaker, Micrologic Solid State Trip Unit, Bolt On, 800 Ampere at 40 Degree Celsius, 3 Pole, High Interrupting Capacity, Interrupting Rating: 65 Kiloampere @ 480 VAC, With Terminals. With 1 Year Warranty.

    MXF36800

    MXF36800

    $1,495.00 USD
    $1,495.00 USD
  • MXL36100 MXL Frame Style, Molded Case Circuit Breaker, 250 Amp Sensor Size, Electronic Non-Interchangeable Trip Unit, LSI Trip Unit Functions, 100 Ampere at 40 Degree Celsius, 3 Pole, with ARP040 Rating Plug Installed Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MXL36100

    Contact Us

    MXL36100

    Contact Us
  • MXL36100G MXL Frame Style, Molded Case Circuit Breaker, 250 Amp Sensor Size, Electronic Non-Interchangeable Trip Unit, LSIG Trip Unit Functions, 100 Ampere at 40 Degree Celsius, 3 Pole, with ARP040 Rating Plug Installed Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MXL36100G

    Contact Us

    MXL36100G

    Contact Us
  • NA361000 NA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 1000 Ampere at 40 Degree Celsius, 3 Pole, Interrupting Ratings: 100 Kiloampere @ 240 VAC, 50 Kiloampere @ 480 VAC, 25 Kiloampere @ 600 VAC, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    NA361000

    NA361000

    From $4,995.00 USD
    From $4,995.00 USD
  • NA361200 NA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 1200 Ampere at 40 Degree Celsius, 3 Pole, Interrupting Ratings: 100 Kiloampere @ 240 VAC, 50 Kiloampere @ 480 VAC, 25 Kiloampere @ 600 VAC, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    NA361200

    NA361200

    From $4,995.00 USD
    From $4,995.00 USD
  • NX36600 NX (I-Line) Frame Style, Molded Case Circuit Breaker, 1200 Amp Sensor Size, Electronic Non-interchangeable Trip Unit, LSI Trip Unit Functions, 600 Ampere at 40 Degree Celsius, 3 Pole, with ARP040 Rating Plug Installed Standard, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    NX36600

    Contact Us

    NX36600

    Contact Us