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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.
Page: Previous1...11121314151617181920...341Next
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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4430.1189


New At Mouser

Schurter Circuit Breakers CBE TA45-ABCWFC00E4 Data Sheet 10
In Stock
1: $28.08



Min.: 1
Mult.: 1
TA45
Carling Technologies BA1-B0-34-630-121-C
Enlarge		 Carling Technologies Circuit Breakers 30 A ONE POLE Data Sheet 39
In Stock
1: $22.92
10: $16.37
25: $15.28
50: $13.29



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 30 A 277 V 80 V 1 Pole Handle Series Trip (Current) B - 40 C to + 85 C No
Carling Technologies CA2-B0-34-650-121-D
Enlarge		 Carling Technologies Circuit Breakers 50 A TWO POLE Page 2,021

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



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 277 V 80 V 2 Poles Handle Series Trip (Current) C - 40 C to + 85 C No
Phoenix Contact 0700010
Enlarge		 Phoenix Contact Circuit Breakers TCP 10/DC32V Data Sheet 54
In Stock
1: $13.33
10: $12.97
50: $12.13
100: $10.30
500: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device 10 A 32 V 1 Pole Pushbutton TCP - 30 C to + 60 C No
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 AA1-B0-34-640-5B1-C
Enlarge		 Carling Technologies Circuit Breakers CIRC BREAKER Hyd/Mag,1 Pole,40AMP Data Sheet 21
In Stock
1: $52.14
10: $33.09
25: $30.24
50: $26.73
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 40 A 277 V 80 V 1 Pole Handle Series Trip (Current) A - 40 C to + 85 C No
Carling Technologies A12-B0-34-450-131-E
Enlarge		 Carling Technologies Circuit Breakers 5A 2 POLE .250 QC FLAT ROCKER RED Data Sheet 16
In Stock
1: $53.91
25: $52.12
50: $47.38
100: $46.21
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 277 V 80 V 2 Poles Rocker Series Trip (Current) A - 40 C to + 85 C No
Carling Technologies A12-B0-34-615-131-E
Enlarge		 Carling Technologies Circuit Breakers 15A 2 POLE .250 QC FLAT ROCKER RED Data Sheet 16
In Stock
1: $53.91
25: $52.12
50: $47.38
100: $46.21
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 80 V 2 Poles Rocker Series Trip (Current) A - 40 C to + 85 C No
Schurter T9-311C-10
Enlarge		 Schurter Circuit Breakers 10A 0.25" QC Threaded neck Page 2,739

 Data Sheet 		185
In Stock
1: $2.02
10: $1.84
25: $1.73
50: $1.64
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C No
Schurter TS-709-15
Enlarge		 Schurter Circuit Breakers 15A Thermal Reset 1-pole threaded neck Page 2,740

 Data Sheet 		422
In Stock
1: $1.97
10: $1.75
25: $1.58
50: $1.48
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 125 V, 250 V 32 V 1 Pole Pushbutton TS-709 - 10 C to + 60 C No
Carling Technologies CLB-303-11B3A-B-A
Enlarge		 Carling Technologies Circuit Breakers 30 AMP METAL BLK Page 2,022

 Data Sheet 		86
In Stock
1: $4.01
10: $3.31
25: $3.24
50: $3.00
100: $2.63



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 30 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C No
Carling Technologies EA2-B0-26-810-32E-HB
Enlarge
EA2-B0-26-810-32E-HB


New Product

Carling Technologies Circuit Breakers Cir Bkr, Hyd/Mag 2 Pole, Blk Act,100A Page 2,021

 Data Sheet 		10
In Stock
1: $77.49
5: $58.85
10: $50.45
25: $47.06



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 100 A 600 V 125 V 2 Poles Handle Series Trip (Current) E - 40 C to + 85 C No
Schurter T11-211-10
Enlarge		 Schurter Circuit Breakers .250 QC SP THERM 10A Page 2,739

 Data Sheet 		49
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 10 A 240 V 48 V 1 Pole Pushbutton ON/OFF T11 - 5 C to + 60 C No
Carling Technologies AA1-B0-34-615-3B1-C
Enlarge		 Carling Technologies Circuit Breakers 15 AMP ONE POLE Page 2,021

 Data Sheet 		35
In Stock
1: $25.90
10: $18.34
25: $16.95
50: $15.11



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 80 V 1 Pole Handle Series Trip (Current) A - 40 C to + 85 C No
Carling Technologies CTB-B-B-12
Enlarge		 Carling Technologies Circuit Breakers 12 AMP 50VDC PNL MNT Page 2,022

 Data Sheet 		219
In Stock
More Info Available
1: $1.80
10: $1.62
25: $1.49
50: $1.39



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 12 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C No
Carling Technologies BA2-B0-34-615-221-D
Enlarge		 Carling Technologies Circuit Breakers HYDRAULIC/MAGNET CIR BREAKER 2-POLE 15A Data Sheet 6
In Stock
1: $74.65
10: $49.58
25: $45.45
50: $39.93



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 15 A 277 V 80 V 2 Poles Handle Series Trip B - 40 C to + 85 C No
Schurter T11-311-1.5
Enlarge		 Schurter Circuit Breakers .250 QC SP THER 1.5A Page 2,739

 Data Sheet 		38
In Stock
1: $7.94
10: $7.06
25: $6.35
50: $5.99
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 1.5 A 240 V 48 V 1 Pole Pushbutton ON/OFF T11 - 5 C to + 60 C No
Schurter AS168X-CB1G030N
Enlarge		 Schurter Circuit Breakers DIN THERM-MAG 1P 3A UL508 listed Data Sheet 6
In Stock
1: $45.69
10: $40.62
25: $36.56
50: $34.53
100: $29.82



Min.: 1
Mult.: 1
Thermal Magnetic Circuit Breakers Supplementary Protector / Motor Controller 3 A 277 V 65 V 1 Pole Handle Control Circuit AS168X - 20 C to + 60 C No
Carling Technologies CTB-B-B-05
Enlarge		 Carling Technologies Circuit Breakers 5 AMP 50VDC PNL MNT Page 2,022

 Data Sheet 		149
In Stock
1: $2.09
10: $1.72
25: $1.62
50: $1.57



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C No
Schurter AS168X-CB1G010
Enlarge		 Schurter Circuit Breakers DIN THERM-MAG 1P 1A UL508 listed Page 2,739

 Data Sheet 		7
In Stock
1: $34.68
10: $30.81
25: $27.73
50: $26.19
100: $19.96



Min.: 1
Mult.: 1
Thermal Magnetic Circuit Breakers Supplementary Protector / Motor Controller 1 A 277 V 65 V 1 Pole Handle Control Circuit AS168X - 20 C to + 60 C No
Carling Technologies EA2-B0-26-615-32E-HB
Enlarge
EA2-B0-26-615-32E-HB


New Product

Carling Technologies Circuit Breakers Cir Bkr, Hyd/Mag 2 Pole, Blk Act, 15A Page 2,021

 Data Sheet 		15
In Stock
1: $77.49
5: $52.23
10: $44.76
25: $41.78



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 600 V 125 V 2 Poles Handle Series Trip (Current) E - 40 C to + 85 C No
Carling Technologies C11-B0-34-450-131-E
Enlarge		 Carling Technologies Circuit Breakers 5A ONE POLE FLAT ROCKER RED Data Sheet 9
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 5 A 277 V 80 V 1 Pole Rocker Series Trip (Current) C - 55 C to + 85 C No
Carling Technologies MF1-B-34-620-3-JE2-B-C
Enlarge		 Carling Technologies Circuit Breakers 20 A ONE POLE GRAY Data Sheet 20
In Stock
1: $29.36
10: $22.98
25: $22.22
50: $20.20



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 Yes
4411.0007


New At Mouser

Schurter Circuit Breakers CBE T13-211-15 Data Sheet 18
In Stock
1: $15.65



Min.: 1
Mult.: 1


Circuit Breakers 15 A 1 Pole Pushbutton Trip Free T13
Schurter 4430.2163
Enlarge
4430.2163


New At Mouser

Schurter Circuit Breakers CBE TA45-ABDRM150C0 Data Sheet 12
In Stock
1: $22.57



Min.: 1
Mult.: 1


Circuit Breakers 10 A 2 Poles Rocker Remote Trip TA45 No
Compare up to 20 parts.
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