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| Best Seller  | SQUARE D QO340VH Miniature Circuit Breaker, QO Series 40A, 3 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type High Interrupting Capacity, Number of Poles 3, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible... ... more
SQUARE D QO340VH Miniature Circuit Breaker, QO Series 40A, 3 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type High Interrupting Capacity, Number of Poles 3, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible... | go to store |
 | SIEMENS QF240A Miniature Circuit Breaker, QF Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Ground Fault Circuit Interrupter (Class A - 5mA), Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style... ... more
SIEMENS QF240A Miniature Circuit Breaker, QF Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Ground Fault Circuit Interrupter (Class A - 5mA), Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style... | go to store |
| Best Seller  | SQUARE D QO2401021 Miniature Circuit Breaker, QO Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 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 QO2401021 Miniature Circuit Breaker, QO Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 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... | go to store |
 | Miniature Circuit Breaker Low Voltage AC 40A 230/400V 1 Pole DZ47-63 C40 - White, Blue Circuit breakers are generally used in distribution boxes. used for line overload, short circuit protection, and infrequent conversion of lines. This distribution protection box is suitable for indoor installation. ... more | FREE shipping go to store |
 | Miniature Circuit Breaker Low Voltage AC 40A 400V 2 Pole DZ47-63 C40 - White, Blue Circuit breakers are generally used in distribution boxes. used for line overload, short circuit protection, and infrequent conversion of lines. This distribution protection box is suitable for indoor installation. ... more | FREE shipping go to store |
 | 1 Pole 40A 230/400V Low-voltage Miniature Circuit Breaker DZ47-63 C40 - White, Blue Rated Circuit Breaking Capacity: 4000A; Rated Voltage: 230/400V Rated Current: 40A ; Model: DZ47-63 C40 ; Number of Pole:1 Overall Size:79 x 18 x 72mm/3.11'' x 0.71'' x 2.83''(L x W x H) ; Rail Mounting : 35mm DIN Rail Fast trip to ensure reliable… ... more | FREE shipping go to store |
 | DAYTON 5ZUY9 Circuit Breaker, NDB2-63 B40/3 Series 40A, 3 Pole, 480V AC, B Curve IEC Supplementary Protector, Amps 40 A, AC Voltage Rating 480V AC, Max. AIR Rating 7.5kA at 480V AC, Series NDB2-63 B40/3, Curve Type B, DC Voltage Rating Not Rated, Number of Poles 3, Phase 3, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting... ... more
DAYTON 5ZUY9 Circuit Breaker, NDB2-63 B40/3 Series 40A, 3 Pole, 480V AC, B Curve IEC Supplementary Protector, Amps 40 A, AC Voltage Rating 480V AC, Max. AIR Rating 7.5kA at 480V AC, Series NDB2-63 B40/3, Curve Type B, DC Voltage Rating Not Rated, Number of Poles 3, Phase 3, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting... | go to store |
 | CARLING TECHNOLOGIES CA2-BO-34-640-111-C Circuit Breaker, C Series 40A, 2 Pole, Panel Mount Circuit Breaker, Amps 40 A, AC Voltage Rating 240/277V AC, Terminal Connection #10-32 Stud, DC Voltage Rating 125V DC, Magnetic, Number of Poles 2, Circuit Breaker Actuator Toggle, Max. AIR Rating Not Rated, Curve Type Medium, Phase 1,... ... more
CARLING TECHNOLOGIES CA2-BO-34-640-111-C Circuit Breaker, C Series 40A, 2 Pole, Panel Mount Circuit Breaker, Amps 40 A, AC Voltage Rating 240/277V AC, Terminal Connection #10-32 Stud, DC Voltage Rating 125V DC, Magnetic, Number of Poles 2, Circuit Breaker Actuator Toggle, Max. AIR Rating Not Rated, Curve Type Medium, Phase 1,... | go to store |
 | GE TEY340 Molded Case Circuit Breaker, TEY Series 40A, 3 Pole, 277/480V AC Molded Case Circuit Breaker, 40 A Amps, AC Voltage Rating 277/480V AC, Max. AIR Rating 14kA at 277/480V AC, For Use With GE AE Lighting Panels, Series TEY, High Amp Trip Setting 1,200 A, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage... ... more
GE TEY340 Molded Case Circuit Breaker, TEY Series 40A, 3 Pole, 277/480V AC Molded Case Circuit Breaker, 40 A Amps, AC Voltage Rating 277/480V AC, Max. AIR Rating 14kA at 277/480V AC, For Use With GE AE Lighting Panels, Series TEY, High Amp Trip Setting 1,200 A, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage... | go to store |
 | DAYTON 5ZVG3 Circuit Breaker, NDB2-63 D40/3 Series 40A, 3 Pole, 480V AC, D Curve IEC Supplementary Protector, Amps 40 A, AC Voltage Rating 480V AC, Max. AIR Rating 7.5kA at 480V AC, Series NDB2-63 D40/3, Curve Type D, DC Voltage Rating Not Rated, Number of Poles 3, Phase 3, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting... ... more
DAYTON 5ZVG3 Circuit Breaker, NDB2-63 D40/3 Series 40A, 3 Pole, 480V AC, D Curve IEC Supplementary Protector, Amps 40 A, AC Voltage Rating 480V AC, Max. AIR Rating 7.5kA at 480V AC, Series NDB2-63 D40/3, Curve Type D, DC Voltage Rating Not Rated, Number of Poles 3, Phase 3, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting... | go to store |
 | SIEMENS B240 Miniature Circuit Breaker, BL Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load... ... more
SIEMENS B240 Miniature Circuit Breaker, BL Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load... | go to store |
 | CARLING TECHNOLOGIES BA2-B0-34-640-521-C Circuit Breaker, B Series 40A, 2 Pole, Panel Mount Circuit Breaker, Amps 40 A, AC Voltage Rating 277V AC, Terminal Connection #10-32 Screw, DC Voltage Rating 80V DC, Magnetic, Number of Poles 2, Circuit Breaker Actuator Toggle, Max. AIR Rating 1.5kA at 120/240V AC, Curve Type Medium, Phase... ... more
CARLING TECHNOLOGIES BA2-B0-34-640-521-C Circuit Breaker, B Series 40A, 2 Pole, Panel Mount Circuit Breaker, Amps 40 A, AC Voltage Rating 277V AC, Terminal Connection #10-32 Screw, DC Voltage Rating 80V DC, Magnetic, Number of Poles 2, Circuit Breaker Actuator Toggle, Max. AIR Rating 1.5kA at 120/240V AC, Curve Type Medium, Phase... | go to store |
 | SQUARE D QOB140 Miniature Circuit Breaker, QOB Series 40A, 1 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center... ... more
SQUARE D QOB140 Miniature Circuit Breaker, QOB Series 40A, 1 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center... | go to store |
 | ZINSCO UBIZ0240 Miniature Circuit Breaker, UBIZ Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... ... more
ZINSCO UBIZ0240 Miniature Circuit Breaker, UBIZ Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... | go to store |
 | SQUARE D QO3401021 Miniature Circuit Breaker, QO Series 40A, 3 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 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 QO3401021 Miniature Circuit Breaker, QO Series 40A, 3 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 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... | go to store |
 | GE THQB1140 Miniature Circuit Breaker, THQB Series 40A, 1 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Phase Single, Series THQB, Max.... ... more
GE THQB1140 Miniature Circuit Breaker, THQB Series 40A, 1 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Phase Single, Series THQB, Max.... | go to store |
 | GE THQC2140WL Miniature Circuit Breaker, THQC Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail, Phase Single, Series... ... more
GE THQC2140WL Miniature Circuit Breaker, THQC Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Surface/DIN Rail, Phase Single, Series... | go to store |
 | GE THQB2140 Miniature Circuit Breaker, THQB Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Phase Single, Series THQB, Max.... ... more
GE THQB2140 Miniature Circuit Breaker, THQB Series 40A, 2 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Phase Single, Series THQB, Max.... | go to store |
 | CARLING TECHNOLOGIES BA1-B0-34-640-521-E Circuit Breaker, B Series 40A, 1 Pole, Panel Mount Circuit Breaker, Amps 40 A, AC Voltage Rating 277V AC, Terminal Connection #10-32 Screw, DC Voltage Rating 80V DC, Magnetic, Number of Poles 1, Circuit Breaker Actuator Toggle, Max. AIR Rating 1.5kA at 120/240V AC, Curve Type Medium, Phase... ... more
CARLING TECHNOLOGIES BA1-B0-34-640-521-E Circuit Breaker, B Series 40A, 1 Pole, Panel Mount Circuit Breaker, Amps 40 A, AC Voltage Rating 277V AC, Terminal Connection #10-32 Screw, DC Voltage Rating 80V DC, Magnetic, Number of Poles 1, Circuit Breaker Actuator Toggle, Max. AIR Rating 1.5kA at 120/240V AC, Curve Type Medium, Phase... | go to store |
 | SQUARE D HOM140 Miniature Circuit Breaker, HOM Series 40A, 1 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center... ... more
SQUARE D HOM140 Miniature Circuit Breaker, HOM Series 40A, 1 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center... | go to store |
 | CHALLENGER UBITBA240 Miniature Circuit Breaker, UBITBA Series 40A, 2 Pole, Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... ... more
CHALLENGER UBITBA240 Miniature Circuit Breaker, UBITBA Series 40A, 2 Pole, Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load... | go to store |
 | GE TEY240 Molded Case Circuit Breaker, TEY Series 40A, 2 Pole, 277/480V AC Molded Case Circuit Breaker, 40 A Amps, AC Voltage Rating 277/480V AC, Max. AIR Rating 14kA at 277/480V AC, For Use With GE AE Lighting Panels, Series TEY, High Amp Trip Setting 1,200 A, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage... ... more
GE TEY240 Molded Case Circuit Breaker, TEY Series 40A, 2 Pole, 277/480V AC Molded Case Circuit Breaker, 40 A Amps, AC Voltage Rating 277/480V AC, Max. AIR Rating 14kA at 277/480V AC, For Use With GE AE Lighting Panels, Series TEY, High Amp Trip Setting 1,200 A, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage... | go to store |
 | SQUARE D QOU140 Miniature Circuit Breaker, QOU Series 40A, 1 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 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 QOU140 Miniature Circuit Breaker, QOU Series 40A, 1 Pole, 120/240V AC Miniature Circuit Breaker, Amps 40 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... | go to store |
 | CARLING TECHNOLOGIES MA2-B-34-475-1-A16-B-E Circuit Breaker, M Series 7.5A, 2 Panel Mount Circuit Breaker, Amps 7.5 A, AC Voltage Rating 250V AC, Terminal Connection 1/4 in Tab, DC Voltage Rating 32V DC, Magnetic, Number of Poles 2, Circuit Breaker Actuator Rocker, Max. AIR Rating Not Rated, Curve Type Medium, Phase 1, Mounting... ... more
CARLING TECHNOLOGIES MA2-B-34-475-1-A16-B-E Circuit Breaker, M Series 7.5A, 2 Panel Mount Circuit Breaker, Amps 7.5 A, AC Voltage Rating 250V AC, Terminal Connection 1/4 in Tab, DC Voltage Rating 32V DC, Magnetic, Number of Poles 2, Circuit Breaker Actuator Rocker, Max. AIR Rating Not Rated, Curve Type Medium, Phase 1, Mounting... | go to store |
 | CARLING TECHNOLOGIES MA1-B-34-610-1-A26-B-E Circuit Breaker, M Series 10A, 1 Panel Mount Circuit Breaker, Amps 10 A, AC Voltage Rating 250V AC, Terminal Connection 1/4 in Tab, DC Voltage Rating 32V DC, Magnetic, Number of Poles 1, Circuit Breaker Actuator Rocker, Max. AIR Rating Not Rated, Curve Type Medium, Phase 1, Mounting... ... more
CARLING TECHNOLOGIES MA1-B-34-610-1-A26-B-E Circuit Breaker, M Series 10A, 1 Panel Mount Circuit Breaker, Amps 10 A, AC Voltage Rating 250V AC, Terminal Connection 1/4 in Tab, DC Voltage Rating 32V DC, Magnetic, Number of Poles 1, Circuit Breaker Actuator Rocker, Max. AIR Rating Not Rated, Curve Type Medium, Phase 1, Mounting... | go to store |
 | CARLING TECHNOLOGIES MA1-B-34-450-1-A26-B-E Circuit Breaker, M Series 5A, 1 Panel Mount Circuit Breaker, Amps 5 A, AC Voltage Rating 250V AC, Terminal Connection 1/4 in Tab, DC Voltage Rating 32V DC, Magnetic, Number of Poles 1, Circuit Breaker Actuator Rocker, Max. AIR Rating Not Rated, Curve Type Medium, Phase 1, Mounting... ... more
CARLING TECHNOLOGIES MA1-B-34-450-1-A26-B-E Circuit Breaker, M Series 5A, 1 Panel Mount Circuit Breaker, Amps 5 A, AC Voltage Rating 250V AC, Terminal Connection 1/4 in Tab, DC Voltage Rating 32V DC, Magnetic, Number of Poles 1, Circuit Breaker Actuator Rocker, Max. AIR Rating Not Rated, Curve Type Medium, Phase 1, Mounting... | go to store |
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