Circuit Breakers

(71 results)

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.

Part # Manufacturer Description Availability Pricing Quantity
Mechanical Products_19M-P10-R-200-02

19M-P10-R-200-02

Circuit Breakers
Mechanical Products CIR BRKR THRM 200A IP69K LIGHTED
10
-
Mechanical Products_1810-E1-1-3T-0200-13

1810-E1-1-3T-0200-13

Circuit Breakers
Mechanical Products CIR BRKR THRM 20A 120VAC 32VDC
40
-
Mechanical Products_321-A4P-10-B-CC

321-A4P-10-B-CC

Circuit Breakers
Mechanical Products Ver. Bracket Type I auto 10A
1990
-
Mechanical Products_321-A0P-50-B-CC

321-A0P-50-B-CC

Circuit Breakers
Mechanical Products No Bracket Type I auto 50A
In Stock
-
Mechanical Products_321-A4P-30-B-CC

321-A4P-30-B-CC

Circuit Breakers
Mechanical Products Ver. Bracket Type I auto 30A
57902
-
Mechanical Products_321-A2M-50-B-CC

321-A2M-50-B-CC

Circuit Breakers
Mechanical Products Ver. Bracket Type I auto 50A
499
-
Mechanical Products_533p003022

533p003022

Circuit Breakers
Mechanical Products BATT DISC SW CIR BRKR THERM 30A
66
-
Mechanical Products_533p006022

533p006022

Circuit Breakers
Mechanical Products BATT DISC SW CIR BRKR THERM 50A
24
-
Mechanical Products_533p005022

533p005022

Circuit Breakers
Mechanical Products BATT DISC SW CIR BRKR THERM 50A
72
-
Mechanical Products_533p004022

533p004022

Circuit Breakers
Mechanical Products BATT DISC SW CIR BRKR THERM 40A
72
-
Mechanical Products_252-001-100-50

252-001-100-50

Circuit Breakers
Mechanical Products CIR BRKR PTR 10A UL489 CAD FREE
355
-
Mechanical Products_175-P0-100-2R

175-P0-100-2R

Circuit Breakers
Mechanical Products HIGH AMP CB-TYPE III MANUAL 100A
25
-
Mechanical Products_1810-E1-1-3T-0500-13

1810-E1-1-3T-0500-13

Circuit Breakers
Mechanical Products CIR BRKR THRM 50A 120VAC 32VDC
66
-
Mechanical Products_175-S0-030-2R

175-S0-030-2R

Circuit Breakers
Mechanical Products HIGH AMP CB-TYPE III MANUAL 30A
25
-
Mechanical Products_175-S0-200-2R

175-S0-200-2R

Circuit Breakers
Mechanical Products HIGH AMP CB-TYPE III MANUAL 200A
7
-
Mechanical Products_175-S0-070-2R

175-S0-070-2R

Circuit Breakers
Mechanical Products HIGH AMP CB-TYPE III MANUAL 70A
36
-
Mechanical Products_19M-P10-R-050-02

19M-P10-R-050-02

Circuit Breakers
Mechanical Products CIR BRKR THRM 50A IP69K LIGHTED
4
-
Mechanical Products_175-S2-200-2R

175-S2-200-2R

Circuit Breakers
Mechanical Products HIGH AMP CB-TYPE III MANUAL 200A
12
-
Mechanical Products_1648-080-040-15

1648-080-040-15

Circuit Breakers
Mechanical Products CIR BRKR PTR 40A CADMIUM FREE
23
-
Mechanical Products_1810-E1-1-3T-0300-13

1810-E1-1-3T-0300-13

Circuit Breakers
Mechanical Products CIR BRKR THRM 30A 120VAC 32VDC
40
-
Mechanical Products_1810-E1-1-3T-0400-13

1810-E1-1-3T-0400-13

Circuit Breakers
Mechanical Products CIR BRKR THRM 40A 120VAC 32VDC
40
-
Mechanical Products_19M-P10-B-060-02

19M-P10-B-060-02

Circuit Breakers
Mechanical Products CIR BRKR THRM 60A IP69K
24
-
Mechanical Products_175-P0-070-2R

175-P0-070-2R

Circuit Breakers
Mechanical Products HIGH AMP CB-TYPE III MANUAL 70A
8
-
Mechanical Products_1810-E1-1-3T-0250-13

1810-E1-1-3T-0250-13

Circuit Breakers
Mechanical Products CIR BRKR THRM 25A 120VAC 32VDC
5
-
Mechanical Products_19M-P10-B-150-02

19M-P10-B-150-02

Circuit Breakers
Mechanical Products CIR BRKR THRM 150A IP69K
33
-