Electrical Supplies › Square D › circuit breaker

SQUARE D EDB24050 Miniature Circuit Breaker, EDB Series 50A, 2 Pole, 277/480V AC

Miniature Circuit Breaker, Amps 50 A, AC Voltage Rating 277/480V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 125V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center... more

SQUARE D JGL36000S25 Molded Case Circuit Breaker, JG Series 250A, 3 Pole, 600V

Molded Case Circuit Breaker, 250 A Amps, AC Voltage Rating 600V AC, Max. AIR Rating 65kA at 240V AC, For Use With I Line Panelboards, Series JG, High Amp Trip Setting 3,125 A, Low Amp Trip Setting 3,125 A, Circuit Breaker Type Shunt Trip, Number of... more

SQUARE D EDB34060 Miniature Circuit Breaker, EDB Series 60A, 3 Pole, 277/480V AC

Miniature Circuit Breaker, Amps 60 A, AC Voltage Rating 277/480V AC, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating 125/250V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load... more

SQUARE D QOB120EPD Miniature Circuit Breaker, QOB Series 20A, 1 Pole, 120V AC,

Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 120V AC, Circuit Breaker Type Ground Fault Equipment Protection, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible... more

SQUARE D QO220PL Miniature Circuit Breaker, QO Series 20A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type PowerLink, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... more

SQUARE D QO325 Miniature Circuit Breaker, QO Series 25A, 3 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 25 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center... more

SQUARE D QO280 Miniature Circuit Breaker, QO Series 80A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 80 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center... more

SQUARE D QO3801021 Miniature Circuit Breaker, QO Series 80A, 3 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 80 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Shunt Trip, Number of Poles 3, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... more

SQUARE D QO2100BNS Circuit Breaker Enclosure, 2 Spaces, 100A, 1 Phase

Circuit Breaker Enclosure, Material Steel, NEMA Rating 1, Exterior Height 13.11 in, Exterior Width 5.87 in, Exterior Depth 3.38 in, For Use With Square D QO Circuit Breakers, Enamel Finish, Mounting Style Surface, 100 A Amps, Number of Spaces 2,... more

SQUARE D QOB220 Miniature Circuit Breaker, QOB Series 20A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center... more

SQUARE D QOU170 Miniature Circuit Breaker, QOU Series 70A, 1 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 70 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating 48V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail, Compatible... more

SQUARE D QOU210 Miniature Circuit Breaker, QOU Series 10A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 10 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail, Compatible... more

SQUARE D QOU235 Miniature Circuit Breaker, QOU Series 35A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 35 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail, Compatible... more

SQUARE D QOU250VH Miniature Circuit Breaker, QOU Series 50A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 50 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type High Interrupting Capacity, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail,... more

SQUARE D BDA140201 Molded Case Circuit Breaker, BDA Series 20A, 1 Pole, 277V

Molded Case Circuit Breaker, 20 A Amps, AC Voltage Rating 277V AC, Max. AIR Rating 25kA at 120/240V AC, For Use With Electrical Distribution Equipment, Industrial Control Panels, Series BDA, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage... more

SQUARE D QOU245 Miniature Circuit Breaker, QOU Series 45A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 45 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail, Compatible... more

SQUARE D 9422RQ1 Breaker Operator,Flange Mount,250A

Circuit Breaker Operator, For Use With PowerPact(R) J Circuit Breakers, Number of Poles 3, Frame Type 250 A, Standards CSA Certified, UL Listed more

SQUARE D QO330MQ200RB Load Center, 30 Spaces, 200A, 208Y/120/240V AC

Load Center, Number of Spaces 30, Amps 200 A, Voltage 208Y/120/240V AC, Circuit Breaker Type QO, Included Enclosure Cover Surface Cover, Main Circuit Breaker or Main Lug Convertible, Main Circuit Breaker, Max. No. of Tandem Breakers 0, Phase 3, Series... more

SQUARE D 9421LJ1 DOOR MT SWITCH,250A

Handle Assembly, For Use With Compact NSF Circuit Breakers, PowerPact(R) H and J Circuit Breakers, Number of Poles 2, 3, Includes 6 in Long Handle, Frame Type 250 A, Standards CSA Certified, UL Listed more

SQUARE D 9421LH46 Handle,75/100/250/400A

Handle Assembly, For Use With Compact NSF Circuit Breakers, PowerPact(R) H and J Circuit Breakers, Voltage Not Rated, Number of Poles 2, 3, Includes 6 in Black Handle, Frame Type 125 A, 250 A, Standards CSA Certified, UL Listed more

SQUARE D 9421LR1 Operating Kit

Handle Assembly, For Use With Type LAL, LHL, and QRL Circuit Breakers, Number of Poles 2, 3, Includes 6 in Long Handle, Frame Type 400 A, Standards CSA Certified, UL Listed more

SQUARE D 9421LB3 Rotary Operator, 125 A, 3 Poles

Rotary Operator, For Use With NEMA 1, 3, 3R, 4, 4X, 12 Enclosures with PowerPact(R) B Circuit Breakers, 125 A Amps, Number of Poles 3, Includes 3 in Handle, Long Shaft, Frame Type 125A more

SQUARE D NQ430L2C Panelboard Interior, QHB, QOB, QOB-VH, 30 Spaces, 225A,

Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series QHB, QOB, QOB-VH, Amps 225 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 30, Voltage 120/208 to 240V AC, Phase 3, Bus Material Copper, Recommended Enclosure... more

SQUARE D QO2301021 Miniature Circuit Breaker, QO Series 30A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 30 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Shunt Trip, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... more

SQUARE D QOB230GFI Miniature Circuit Breaker, QOB Series 30A, 2 Pole, 120/240V

Miniature Circuit Breaker, Amps 30 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Ground Fault Circuit Interrupter, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On,... more

SQUARE D QON24L70 Mounting Base, 70, 240VAC, 2 Poles

Mounting Base, Mounting Location Breaker, For Use With Square D QO, QO GFI and QO EPD Circuit Breakers, Width 4.2 in, Depth 1.35 in more

SQUARE D NF430L1C Panelboard Interior, EDB, EDG, EDJ, 30 Spaces, 125A,

Panelboard Interior, Convertible, Main Lug, Circuit Breaker Series EDB, EDG, EDJ, Amps 125 A, Short Circuit Current Rating 100000 RMS Symmetrical, Number of Spaces 30, Voltage 277/480YV AC, Phase 3, Bus Material Copper, Recommended Enclosure 1D691 for... more

SQUARE D AL250JD Mechanical Lug, 250 A, 600V AC

(3) Aluminum Mechanical Lug, Amps 250 A, 600V AC, Mounting Location Breaker, Number of Lugs Included 3, Max. Wire Size 350 MCM, Min. Wire Size 3 AWG, Includes (3) Mechanical Lug, For Use With Powerpact(R) J Frame Circuit Breakers, Package Quantity 3 more

SQUARE D QOB250GFI Miniature Circuit Breaker, QOB Series 50A, 2 Pole, 120/240V

Miniature Circuit Breaker, Amps 50 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Ground Fault Circuit Interrupter, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On,... more

SQUARE D QBL32150 Molded Case Circuit Breaker, QB Series 150A, 3 Pole, 240V AC

Molded Case Circuit Breaker, 150 A Amps, AC Voltage Rating 240V AC, Max. AIR Rating 10kA at 240V AC, For Use With -, Series QB, High Amp Trip Setting 2,400 A, Low Amp Trip Setting 1,200 A, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage... more

SQUARE D QOU260 Miniature Circuit Breaker, QOU Series 60A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 60 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail, Compatible... more

SQUARE D QOB320GFI Miniature Circuit Breaker, QOB Series 20A, 3 Pole, 120/240V

Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 120/208V AC, Circuit Breaker Type Ground Fault Circuit Interrupter, Number of Poles 3, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On,... more

SQUARE D HOM270 Miniature Circuit Breaker, HOM Series 70A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 70 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... more

SQUARE D B125F Circuit Breaker Enclosure, 125 A, Flush Mounting Style

Circuit Breaker Enclosure, Material Steel, NEMA Rating 1, Exterior Height 19.49 in, Exterior Width 9.88 in, Exterior Depth 4.13 in, For Use With Square D BDL, BGL, BJL and BKL Circuit Breakers, Mounting Style Flush, 125 A Amps, Number of Spaces 3,... more

SQUARE D QOB225 Miniature Circuit Breaker, QOB Series 25A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 25 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center... more

SQUARE D QBL32125 Molded Case Circuit Breaker, QB Series 125A, 3 Pole, 240V AC

Molded Case Circuit Breaker, 125 A Amps, AC Voltage Rating 240V AC, Max. AIR Rating 10kA at 240V AC, For Use With -, Series QB, High Amp Trip Setting 2,400 A, Low Amp Trip Setting 1,200 A, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage... more

SQUARE D QOB235 Miniature Circuit Breaker, QOB Series 35A, 2 Pole, 120/240V AC

Miniature Circuit Breaker, Amps 35 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center... more

SQUARE D Q23225NRB Circuit Breaker Enclosure, QBL, QJL, QGL, 3 Spaces, 225A,

Circuit Breaker Enclosure, Material Steel, NEMA Rating 3R, Exterior Height 26.26 in, Exterior Width 9.88 in, Exterior Depth 5.51 in, For Use With Square D QBL, QDL, QGL and QJL Circuit Breakers, Painted Finish, Mounting Style Surface, 225 A Amps,... more