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Circuit Breakers
Circuit breakers are available at Mouser Electronics from industry leading manufacturers.  Mouser is an authorized distributor for many circuit breaker manufacturers including Altech, Carling, Cooper Bussmann, Littelfuse, Schurter, TE Connectivity, & more. Please view our selection of circuit breakers below.
Category   Electromechanical >  Circuit Breakers

Available Filters 8,504 Matches  

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Compare up to 20 parts.
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Select ImageMouser Part # Mfr. Part # Mfr. Description Availability Pricing
(USD) 		Quantity RoHS Product Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Type Circuit Function Series Operating Temperature Range Illuminated
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Schurter 4420.0356
Enlarge
4420.0356


New At Mouser

Schurter Circuit Breakers CBE AS168X-CB2DG010 Data Sheet 3
In Stock
1: $85.38



Min.: 1
Mult.: 1


Thermal Magnetic Circuit Breakers Circuit Breakers 1 A 2 Poles Handle Supplementary Protectors AS168XDC2 - 20 C to + 60 C No
Carling Technologies MD2-B-34-620-1-A36-B-C
Enlarge		 Carling Technologies Circuit Breakers DC 50/60Hz Med Data Sheet 6
In Stock
1: $58.46
10: $38.83
25: $35.59
50: $31.27



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 20 A 125 V, 250 V 80 V 2 Poles Rocker Series Trip (Current) M - 40 C to + 85 C No
Schurter T11-211-3
Enlarge		 Schurter Circuit Breakers .250 QC SP THERML 3A Page 2,739

 Data Sheet 		87
In Stock
1: $7.06
10: $6.28
25: $5.65
50: $5.33
100: $4.67



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 3 A 240 V 48 V 1 Pole Pushbutton ON/OFF T11 - 5 C to + 60 C No
Phoenix Contact 0903023
Enlarge		 Phoenix Contact Circuit Breakers EC-E1 1A 1 A, N/O SIGNAL CNT Page 2,738

 Data Sheet 		5
In Stock
1: $83.00
5: $80.72
10: $76.36
25: $70.53
50: View



Min.: 1
Mult.: 1
Device Circuit Breakers Electronic 1 A 24 V 1 Pole Slide Switch EC-E 0 C to + 50 C No
Schurter T11-611-2
Enlarge		 Schurter Circuit Breakers .250 QC SP THERM 2A Data Sheet 79
In Stock
1: $7.06
10: $6.28
25: $5.65
50: $5.33
100: $4.67



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 2 A 240 V 48 V 1 Pole Pushbutton ON/OFF T11 - 5 C to + 60 C No
Schurter TA45-ABTBL100C0
Enlarge		 Schurter Circuit Breakers TA45 BLK ROCKER 10A Page 2,026

 Data Sheet 		36
In Stock
1: $20.09
10: $19.12
25: $17.98
50: $17.04
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 60 V 1 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
4411.0013


New At Mouser

Schurter Circuit Breakers CBE T13-211-2 Data Sheet 15
In Stock
1: $15.65



Min.: 1
Mult.: 1


T13
Schurter CBDWF150C0
Enlarge		 Schurter Circuit Breakers 15 A White / I-0 Data Sheet 15
In Stock
1: $14.71
10: $13.08
25: $11.77
50: $11.11
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 240 V 60 V 2 Poles Rocker Trip Free TA35 0 C to + 60 C No
Carling Technologies BB2-B0-34-450-121-D
Enlarge		 Carling Technologies Circuit Breakers SPDT SOLDER LUG Data Sheet 5
In Stock
1: $64.42
10: $57.11
25: $49.99
50: $43.58
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 5 A 277 V 80 V 2 Poles Handle Series Trip B - 40 C to + 85 C No
TS-701-HM-40


New At Mouser

Schurter Circuit Breakers TS CIRCUIT BREAKER Data Sheet 90
In Stock
1: $3.93



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 40 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C No
4430.0444


New At Mouser

Schurter Circuit Breakers CBE TA45-ABTWF085C0 Data Sheet 14
In Stock
1: $17.28



Min.: 1
Mult.: 1
TA45
Schurter TS-701-HT-12
Enlarge		 Schurter Circuit Breakers 12A Thermal Reset 1-pole threaded neck Page 2,740

 Data Sheet 		98
In Stock
1: $2.79
10: $2.47
25: $2.22
50: $2.10
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 12 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C No
Carling Technologies MA1-B-34-620-1-A12-B-C
Enlarge		 Carling Technologies Circuit Breakers 20 A ONE POLE ANGLED Page 2,022

 Data Sheet 		20
In Stock
1: $23.11
10: $16.36
25: $15.11
50: $13.47



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 20 A 125 V, 250 V 80 V 1 Pole Rocker Series Trip (Current) M - 40 C to + 85 C No
Phoenix Contact 0916613
Enlarge		 Phoenix Contact Circuit Breakers UT 6-TMC M 16A Page 2,025

 Data Sheet 		28
In Stock
1: $14.07
10: $13.20
25: $12.58
50: $12.13
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 16 A 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C No
Schurter TS-701-HT-7
Enlarge		 Schurter Circuit Breakers TS CIRCUIT BREAKER Data Sheet 84
In Stock
1: $3.04
10: $2.76
25: $2.54
50: $2.34
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 7 A 125 V, 250 V 50 V 1 Pole Pushbutton Trip Free TS-LINE - 10 C to + 60 C No
Phoenix Contact 0903038
Enlarge		 Phoenix Contact Circuit Breakers EC-E4 10A 10 A, N/C SIGNAL CNT Page 2,738

 Data Sheet 		3
In Stock
1: $88.00
25: $85.58
50: $80.96
100: $74.78
200: View



Min.: 1
Mult.: 1
Device Circuit Breakers Electronic 10 A 24 V 1 Pole Slide Switch EC-E 0 C to + 50 C No
Carling Technologies BA2-B0-34-615-121-D
Enlarge		 Carling Technologies Circuit Breakers 15 A TWO POLE Page 2,021

 Data Sheet 		8
In Stock
1: $59.93
10: $41.22
25: $36.65
50: $33.20
100: $32.20



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 15 A 277 V 80 V 2 Poles Handle Series Trip (Current) B - 40 C to + 85 C No
Carling Technologies EA1-B0-12-650-21A-BB
Enlarge		 Carling Technologies Circuit Breakers 50A ONE POLE Data Sheet 9
In Stock
1: $28.89
10: $23.32
25: $20.73
50: $18.26



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 600 V 125 V 1 Pole Handle Series Trip (Current) E Series - 40 C to + 85 C No
Carling Technologies BB2-B0-24-625-232-D
Enlarge
BB2-B0-24-625-232-D


New At Mouser

Carling Technologies Circuit Breakers Circuit Brkr 2 pole 50/60Hz, 25A Data Sheet 12
In Stock
1: $33.58



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 25 A 277 V 80 V 2 Poles Handle Series Trip (Current) B - 40 C to + 85 C No
Schurter 4430.2907
Enlarge
4430.2907


New At Mouser

Schurter Circuit Breakers CBE TA45 A246F170C0-829-AZM10 Data Sheet 20
In Stock
1: $22.57



Min.: 1
Mult.: 1
17 A 120 V 1 Pole Rocker TA45 Yes
Carling Technologies C11-B0-34-615-131-E
Enlarge		 Carling Technologies Circuit Breakers 15A ONE POLE FLAT ROCKER RED Data Sheet 20
In Stock
1: $30.08
25: $29.08
50: $26.44
100: $25.78
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 80 V 1 Pole Rocker Series Trip (Current) C - 55 C to + 85 C No
Carling Technologies CA2-B0-34-640-121-D
Enlarge		 Carling Technologies Circuit Breakers 40 A TWO POLE Page 2,021

 Data Sheet 		7
In Stock
1: $75.48
10: $53.47
25: $49.38
50: $44.03
100: $43.45



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 40 A 277 V 80 V 2 Poles Handle Series Trip (Current) C - 40 C to + 85 C No
Schurter AS168X-CB1G050
Enlarge		 Schurter Circuit Breakers DIN THERM-MAG 1P 5A UL508 listed Page 2,739

 Data Sheet 		8
In Stock
1: $43.60
10: $38.76
25: $34.87
50: $32.94
100: View



Min.: 1
Mult.: 1
Thermal Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 277 V 65 V 1 Pole Handle Control Circuit AS168X - 20 C to + 60 C No
Carling Technologies CMB-043-11C3N-B-A
Enlarge		 Carling Technologies Circuit Breakers 4 AMP PLASTIC BLK Page 2,022

 Data Sheet 		100
In Stock
1: $3.64
10: $2.61
25: $2.40
50: $2.32



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 4 A 125 V to 250 V 32 V 1 Pole Pushbutton CMB - 10 C to + 60 C No
Phoenix Contact 0916608
Enlarge		 Phoenix Contact Circuit Breakers UT 6-TMC M 6A Page 2,025

 Data Sheet 		16
In Stock
1: $16.08
10: $15.08
25: $14.38
50: $13.87
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 6 A 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C No
Compare up to 20 parts.
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