Circuit Breakers

 Circuit Breakers
Circuit breakers are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many circuit breaker manufacturers including ABB, Carling Technologies, Eaton, E-T-A Circuit Breakers, Phoenix Contact, Sensata, Schurter, Siemens, TE Connectivity & more.
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Please view our large selection of circuit breakers below.

Results: 151,565
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Type Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
LEL/LML Circuit Breakers Hydraulic Magnetic 3 A 240 VAC 80 VDC 1 Pole Toggle - 40 C + 85 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr,HydMag 2In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1

LEL/LML Circuit Breakers Hydraulic Magnetic 30 A 240 VAC 80 VDC 2 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1

LEL/LML Circuit Breakers Hydraulic Magnetic 30 A 240 VAC 80 VDC 2 Pole Handle - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
LEL/LML Circuit Breakers Hydraulic Magnetic 2 Pole Handle Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 7.5 A 250 VAC 65 VDC 1 Pole Rocker - 40 C + 85 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 3In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 20 A 1 Pole Rocker - 40 C + 85 C Non-Illuminated


AIRPAX Circuit Breakers Cir Brkr,HydMag 2In Stock
Min.: 1
Mult.: 1

Thermal Circuit Breakers Thermal 1 A 250 VAC 65 VDC 1 Pole Paddle - 40 C + 85 C Non-Illuminated Bulk
AIRPAX Circuit Breakers Cir Brkr, HydMag, 1 pl, 18VDC relay VT 2In Stock
Min.: 1
Mult.: 1

Snapak Thermal Circuit Breakers Thermal 1 Pole Paddle
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 1In Stock
Min.: 1
Mult.: 1
Snapak Thermal Circuit Breakers Thermal 15 A 2 Pole Paddle - 40 C + 85 C Non-Illuminated
ABB Circuit Breakers MCB ST200M 1P K 13A UL1077 7In Stock
Min.: 1
Mult.: 1
ST200M Circuit Breakers 13 A 1 Pole
ABB Circuit Breakers MCB SU200ML 3P K 60A UL 489 3In Stock
Min.: 1
Mult.: 1
SU200ML Circuit Breakers 60 A 3 Pole
ABB Circuit Breakers MCB SU200MR RTT 3P K 50A BCP 3In Stock
Min.: 1
Mult.: 1
SU200MR Circuit Breakers 50 A 3 Pole
Siemens Circuit Breakers BRKR 3VA51 3P 10A 65KA MCP LO 1In Stock
Min.: 1
Mult.: 1
3VA Thermal Magnetic Circuit Breakers System Protection 10 A 690 VAC 3 Pole Paddle - 25 C + 70 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 3P 240V 45A 10K D-TRIP 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 45 A 240 VAC 60 VDC 3 Pole Lever - 25 C + 55 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 2P 480V 4A 5K A-TRIP 5In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 4 A 400 VAC 60 VDC 2 Pole Lever - 40 C + 70 C Non-Illuminated
Siemens Circuit Breakers SUP PTOR 5SY4 3P 480V 0.5A 5K D-TRIP 1In Stock
Min.: 1
Mult.: 1
Circuit Breakers Miniature 500 mA 400 VAC 3 Pole Lever - 40 C + 70 C Non-Illuminated
APC by Schneider Electric Circuit Breakers MOLDED CASE CIRCUIT BRKR 600Y/347V 125A 1In Stock
Min.: 1
Mult.: 1
Hartland Controls / Littelfuse Circuit Breakers 120/240V 25A 1P CIRCUIT BREAKER, LUGS 43In Stock
Min.: 1
Mult.: 1

HCB 25 A 120 VAC, 240 VAC 1 Pole Bulk


Hartland Controls / Littelfuse Circuit Breakers 120/240V 40A 2P CIRCUIT BREAKER, LUGS/QUICK CONNECT 20In Stock
Min.: 1
Mult.: 1

HCB 40 A 120 VAC, 240 VAC 2 Pole Bulk
Hartland Controls / Littelfuse Circuit Breakers 120/240V 25A 3P CIRCUIT BREAKER, LUGS 11In Stock
Min.: 1
Mult.: 1

HCB 25 A 120 VAC, 240 VAC 3 Pole Bulk
Hartland Controls / Littelfuse Circuit Breakers 120/240V 35A 3P CIRCUIT BREAKER, LUGS 18In Stock
Min.: 1
Mult.: 1

HCB 35 A 120 VAC, 240 VAC 3 Pole Bulk
IDEC Circuit Breakers Circuit Protector 8In Stock
Min.: 1
Mult.: 1
NRF Circuit Breakers Thermal 2 A 250 VAC 32 VDC 1 Pole - 10 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f 47In Stock
Min.: 1
Mult.: 1
1410-F1 Circuit Breakers Miniature 4 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Illuminated


E-T-A Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 8In Stock
Min.: 1
Mult.: 1
3130-F Rocker