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.
More...


Please view our large selection of circuit breakers below.

Results: 151,472
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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 Minimum Operating Temperature Maximum Operating Temperature Illuminated Packaging


E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934), PCB mounting. Miniaturised construction minimises PCB real estate required. Type 1410-L2 features chang 160In Stock
€12.86
€9.84
€9.30
€8.09
Min.: 1
Mult.: 1
1410-L2 Thermal Circuit Breakers Overcurrent Protection 3.15 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated


E-T-A Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm
43In Stock
€42.48
€38.02
€35.43
€31.82
Min.: 1
Mult.: 1
REX12-T Circuit Breakers Electronic 4 A 24 VDC 1 Pole Push to Reset - 25 C + 60 C Illuminated
AIRPAX Circuit Breakers Cir Brkr,HydMag 13In Stock
€157.68
Min.: 1
Mult.: 1
IEL
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 48In Stock
€38.31
Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 2 Pole Push-Pull - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers MSP,GROUP TAP,S00,CL10,1.1-1.6A,SCREW 10In Stock
€337.81
€280.75
€255.27
Min.: 1
Mult.: 1
3RV1 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Toggle - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S0 11-16A SCREW W/AUX 1NO/1NC 6In Stock
€343.77
€290.07
€272.50
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 16 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S2 CLASS 10 28-36A SCREW 6In Stock
€472.02
€414.78
€389.66
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 36 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers TMCB UL489 S00 3.2A SCREW 4In Stock
€479.61
€421.44
€395.93
Min.: 1
Mult.: 1
3RV2 Circuit Breakers System Protection 3.2 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MCB 5SJ4 2P 240V 10A 14K C-TRIP 38In Stock
€140.09
€122.57
€115.75
€95.32
Min.: 1
Mult.: 1
5SJ4 Circuit Breakers Miniature 10 A 240 VAC 60 VDC 2 Pole Lever - 25 C + 55 C Non-Illuminated
E-T-A Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 65In Stock
€29.99
€25.75
€23.84
€21.10
Min.: 1
Mult.: 1
1140 Miniature Circuit Breakers Overcurrent Protection 15 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-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 190In Stock
€45.30
€40.46
€35.50
€32.61
Min.: 1
Mult.: 1
3130-F Thermal Overcurrent 12 A 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated


E-T-A Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 172In Stock
€29.41
€24.41
€22.51
€20.02
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 3 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
Phoenix Contact Circuit Breakers HMC11 120AC 10A C1D2 34In Stock
€168.93
Min.: 1
Mult.: 1
HMC Circuit Breakers Hydraulic Magnetic 10 A 120 VAC 50 VDC 4 Pole Toggle - 40 C + 65 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 33In Stock
€38.06
Min.: 1
Mult.: 1
Circuit Breakers Hydraulic Magnetic 10 A 1 Pole Toggle - 40 C + 85 C Non-Illuminated
Siemens Circuit Breakers CIRCUIT BREAKER SZ S00, CLASS 10 7In Stock
€246.38
€213.90
€188.75
€163.57
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 4 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 297In Stock
€19.09
€15.84
€14.62
€13.08
Min.: 1
Mult.: 1
104 Thermal Circuit Breakers Overcurrent Protection 4 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole switch/thermal circuit breaker (S-type TO CBE to EN 60934) with tease-free, trip-free, snap action mechanism. Designed for snap-in panel mounting utilising round hole or industry standard fuse-holder cut-out dimensions. Fe 92In Stock
€20.72
€19.27
€15.22
€15.20
Min.: 1
Mult.: 1
1110-Fx12-P1M1 Circuit Breakers Thermal 2.5 A 250 VAC 50 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated


E-T-A Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 403In Stock
€10.20
€7.17
€6.98
€5.65
Min.: 1
Mult.: 1
1620 Miniature Circuit Breakers Automotive 15 A 12 VDC 1 Pole - 40 C + 85 C Non-Illuminated


E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 190In Stock
€15.20
€12.62
€11.64
€9.65
Min.: 1
Mult.: 1
1410-G1 Thermal Circuit Breakers Overcurrent Protection 2 A 240 VAC 28 VDC 1 Pole Rocker - 20 C + 70 C Non-Illuminated
E-T-A Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 190In Stock
€31.18
€25.87
€23.87
€19.76
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 20 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
€1,080.11
€1,028.67
Min.: 1
Mult.: 1
AP Circuit Breakers Hydraulic Magnetic 3 A 240 VAC 50 VDC 2 Pole Toggle - 40 C + 100 C Non-Illuminated
AIRPAX Circuit Breakers CIRCUIT BREAKER 2In Stock
€1,264.17
€1,095.59
Min.: 1
Mult.: 1
Siemens Circuit Breakers MSP S00 1.1-1.6A SCREW 15In Stock
€202.34
€178.76
€164.99
€155.65
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 4.5-6.3A AUX 1NO 1NC SCREW 7In Stock
€292.49
€244.89
€230.06
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 6.3 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 11-16A AUX 1NO 1NC SCREW 5In Stock
€335.43
€282.17
€257.08
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 16 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated