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: 151,472
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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 508, 1P, DM, 24VDC, RE, SF, ATX, 0.5A 1In Stock
$111.95
$86.18
$75.86
$72.75
$70.38
Min.: 1
Mult.: 1
ESX10-T-E Circuit Breakers Electronic 500 mA 24 VDC 1 Pole Slide - 25 C + 60 C Illuminated
E-T-A Circuit Breakers Min Ord Qty 10. 1077, 1P, Plug, 240VAC / 50VDC, M1, 8A 7In Stock
$44.41
$37.85
$36.33
$34.67
Min.: 1
Mult.: 1
2216-S1
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), threadneck mounting. For lower current ratings see types 106. Approved to CBE standard E 38In Stock
$23.94
$19.27
$17.59
$15.25
Min.: 1
Mult.: 1
1140 Miniature Circuit Breakers Overcurrent Protection 5 A 240 VAC 48 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Thermal circuit breaker, with controlled self-resetting mechanism, specially suited to installation in inaccessible locations. Under overload conditions the circuit breaker contacts will open to protect the load circuit. A low current 5In Stock
$22.09
$20.11
$18.57
$15.77
Min.: 1
Mult.: 1
1160 Thermal Circuit Breakers Thermal 15 A 12 VDC 1 Pole - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 32In Stock
50Expected 21/10/2026
$23.33
$21.24
$19.47
$15.14
Min.: 1
Mult.: 1
1170 Miniature Circuit Breakers Automotive 4 A 28 VDC 1 Pole Push to Reset - 40 C + 85 C Non-Illuminated
E-T-A Circuit Breakers Min Ord Qty 10. 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 2In Stock
$89.31
$76.21
$67.16
$58.05
Min.: 1
Mult.: 1
Thermal Circuit Breakers Overcurrent Protection Rocker
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 12In Stock
$91.23
$39.31
$37.96
Min.: 1
Mult.: 1
3130-F Thermal Overcurrent 16 A 415 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral m 5In Stock
$49.90
$41.39
$38.18
$33.04
Min.: 1
Mult.: 1
127 Thermal Circuit Breakers Overcurrent Protection 8 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Available in versions for plug-in or integral m 9In Stock
$57.68
$47.85
$44.13
$37.97
Min.: 1
Mult.: 1
127 Thermal Circuit Breakers Overcurrent Protection 25 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-T220-K0M1-H131-10A 94 4In Stock
$100.35
$86.54
$80.13
$77.42
Min.: 1
Mult.: 1
2210-T2 Thermal Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-type with push-push 8In Stock
$36.26
$30.08
$24.79
$21.87
$20.20
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 600 mA 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 5In Stock
$36.26
$30.08
$24.79
$21.87
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 800 mA 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 8In Stock
$32.25
$26.76
$22.16
$21.29
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 5 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 1In Stock
$32.26
$26.77
$22.06
$19.46
$17.98
Min.: 1
Mult.: 1
2-5700 Thermal Circuit Breakers Overcurrent Protection 8 A 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 C Non-Illuminated
E-T-A Circuit Breakers ETA Circuit Breakers 9In Stock
$64.00
$53.10
$43.35
$38.12
Min.: 1
Mult.: 1
2-6400 Thermal Circuit Breakers Overcurrent Protection 300 mA 250 VAC 28 VDC 1 Pole Push to Reset - 20 C + 60 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 9In Stock
$32.40
$26.88
$22.01
$19.41
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 16 A 240 VAC 50 VDC Rocker - 30 C + 60 C Non-Illuminated


E-T-A Circuit Breakers 1077, 1P, plug, 24VDC, Aux Cont, 3A/6A 1In Stock
$142.42
$120.47
$116.40
$111.42
Min.: 1
Mult.: 1
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 9In Stock
10Expected 30/10/2026
$37.58
$31.18
$25.34
$24.78
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 15 A 115 VAC 50 VDC 1 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 3In Stock
$51.01
$37.72
$35.07
$31.52
$29.69
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 16 A 115 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 12In Stock
$52.35
$44.61
$42.70
$39.63
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 500 mA 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 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 4In Stock
$44.50
$36.92
$30.45
$27.45
$25.59
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 10 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 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 3In Stock
$44.49
$36.91
$30.22
$29.75
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 18 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 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 8In Stock
$51.01
$42.32
$35.07
$31.52
$29.69
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 5 A 115 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 3In Stock
70Expected 11/12/2026
$44.50
$36.92
$34.84
$30.86
$27.58
Min.: 1
Mult.: 1
3120-N Thermal Circuit Breakers Overcurrent Protection 5 A 240 VAC 50 VDC 2 Pole Rocker - 30 C + 60 C Non-Illuminated
E-T-A Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 1In Stock
$79.97
$60.07
$56.66
$50.03
Min.: 1
Mult.: 1
3400 Thermal Circuit Breakers Thermal Magnetic 6 A 240 VAC 65 VDC 1 Pole Push to Reset - 30 C + 60 C Non-Illuminated