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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: Previous12345678910...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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Schurter TS-709-5H
Enlarge		 Schurter Circuit Breakers 5A Thermal Reset 1-pole thread w/ nut Page 2,740

 Data Sheet 		174
In Stock
1: $3.06
10: $2.73
25: $2.45
50: $2.32
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 125 V, 250 V 32 V 1 Pole Pushbutton TS-709 - 10 C to + 60 C No
Schurter TA45-ABDBLJ05C0
Enlarge		 Schurter Circuit Breakers TA45 BLK ROCKER 0.5A Page 2,026

 Data Sheet 		18
In Stock
1: $21.57
10: $19.17
25: $17.25
50: $16.28
100: $14.63



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 0.5 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Carling Technologies CA2-B0-34-610-121-C
Enlarge		 Carling Technologies Circuit Breakers 10 A TWO POLE Data Sheet 8
In Stock
1: $57.23
25: $55.34
50: $50.31
100: $49.05
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 2 Poles Handle Series Trip (Current) C - 40 C to + 85 C No
Schurter T11-211-1
Enlarge		 Schurter Circuit Breakers .250 QC SP THERML 1A Page 2,739

 Data Sheet 		104
In Stock
1: $7.41
10: $6.59
25: $5.93
50: $5.59
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 1 A 240 V 48 V 1 Pole Pushbutton ON/OFF T11 - 5 C to + 60 C No
Schurter 4420.0231
Enlarge
4420.0231


New At Mouser

Schurter Circuit Breakers CBE AS168X-CB1G040 Data Sheet 10
In Stock
1: $30.81



Min.: 1
Mult.: 1


Circuit Breakers 4 A 1 Pole Handle Supplementary Protectors AS168XAC1 - 20 C to + 60 C No
Carling Technologies AA1-B0-46-620-1B1-C
Enlarge		 Carling Technologies Circuit Breakers 20 Amp 1 POLE Data Sheet 18
In Stock
1: $22.32
10: $19.64
25: $18.00
50: $15.81



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 80 V 1 Pole Handle Series Trip (Current) A Series - 40 C to + 85 C No
Carling Technologies CA3-B0-34-610-121-D
Enlarge		 Carling Technologies Circuit Breakers 3 POLE 10 AMPS Data Sheet 7
In Stock
1: $114.70
10: $104.28
25: $93.85
50: $83.42



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 3 Poles Handle Series Trip (Current) C - 40 C to + 85 C No
Carling Technologies CA1-B0-34-630-121-C
Enlarge		 Carling Technologies Circuit Breakers 30 A ONE POLE Data Sheet 10
In Stock
1: $22.96
25: $22.20
50: $20.18
100: $19.67
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 80 V 1 Pole Handle Series Trip (Current) C - 55 C to + 85 C No
Carling Technologies AC1-B0-34-610-1G1-C
Enlarge		 Carling Technologies Circuit Breakers 10 A ONE POLE Page 2,021

 Data Sheet 		24
In Stock
1: $30.01
10: $21.26
25: $19.63
50: $17.51



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 1 Pole Rocker Series Trip (Current) A - 40 C to + 85 C No
Carling Technologies AC1-B0-34-610-1G2-C
Enlarge		 Carling Technologies Circuit Breakers 10 A ONE POLE ISO M3x5Mmm Data Sheet 23
In Stock
1: $30.01
10: $27.51
25: $26.26
50: $25.01
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 1 Pole Rocker Series Trip (Current) A - 40 C to + 85 C No
Carling Technologies DA2-B0-22-620-131-D
Enlarge		 Carling Technologies Circuit Breakers 20A 2 POLE Data Sheet 9
In Stock
1: $95.48
10: $63.41
25: $58.13
50: $51.06



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 20 A 277 V 65 V 2 Poles Handle Series Trip (Current) D Series - 40 C to + 85 C No
Carling Technologies CTB-B-B-05-B
Enlarge		 Carling Technologies Circuit Breakers 5A 50VDC PNL MNT Data Sheet 98
In Stock
1: $3.11
10: $2.32
25: $2.19
50: $1.92
100: $1.68



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 TS-701-HT-25P
Enlarge		 Schurter Circuit Breakers 25A Thermal Reset 1-pole w/ nut Data Sheet 156
In Stock
1: $3.54
10: $3.14
25: $2.82
50: $2.67
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C No
Carling Technologies MA1-B-34-610-1-A12-B-C
Enlarge		 Carling Technologies Circuit Breakers 10 A ONE POLE ANGLED Data Sheet 17
In Stock
1: $19.14
10: $13.55
25: $12.51
50: $11.15



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 10 A 125 V, 250 V 80 V 1 Pole Rocker Series Trip (Current) M - 40 C to + 85 C No
Schurter 4420.0221
Enlarge
4420.0221


New At Mouser

Schurter Circuit Breakers CBE AS168X-CB2G300 Data Sheet 4
In Stock
1: $55.60



Min.: 1
Mult.: 1


Circuit Breakers 30 A 2 Poles Handle Supplementary Protectors AS168XAC2 - 20 C to + 60 C No
Carling Technologies CA1-B0-34-610-121-C
Enlarge		 Carling Technologies Circuit Breakers 10 A ONE POLE Data Sheet 9
In Stock
1: $27.39
10: $19.72
25: $18.07
50: $15.80



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 1 Pole Handle Series Trip (Current) C - 55 C to + 85 C No
Carling Technologies MF1-B-34-620-1-DB7-B-C
Enlarge		 Carling Technologies Circuit Breakers 20 A ONE POLE ILLUM Page 2,022

 Data Sheet 		9
In Stock
1: $32.73
10: $23.18
25: $21.41
50: $19.09



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
Phoenix Contact 0700015
Enlarge		 Phoenix Contact Circuit Breakers TCP 15/DC32V Data Sheet 38
In Stock
1: $13.33
10: $12.97
25: $12.13
100: $10.30
500: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device 15 A 32 V 1 Pole Pushbutton TCP - 30 C to + 60 C No
Carling Technologies CA1-B0-26-620-121-C
Enlarge		 Carling Technologies Circuit Breakers 20A 1 POLE Data Sheet 12
In Stock
1: $28.39
10: $20.19
25: $18.50
50: $16.86



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 80 V 1 Pole Handle Series Trip (Current) C Series - 55 C to + 85 C No
Carling Technologies BA2-B0-34-630-121-C
Enlarge		 Carling Technologies Circuit Breakers 30 A TWO POLE Page 2,021

 Data Sheet 		6
In Stock
1: $59.93
10: $41.22
25: $36.65
50: $33.20
100: $31.45



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 30 A 277 V 80 V 2 Poles Handle Series Trip (Current) B - 40 C to + 85 C No
Carling Technologies MB2-B-34-420-1-A24-B-C
Enlarge		 Carling Technologies Circuit Breakers 2 A TWO POLE FLAT Page 2,022

 Data Sheet 		8
In Stock
1: $49.64
10: $35.16
25: $32.47
50: $28.96



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 2 A 125 V, 250 V 80 V 2 Poles Rocker Series Trip (Current) M - 40 C to + 85 C No
Carling Technologies C11-B0-34-635-131-E
Enlarge		 Carling Technologies Circuit Breakers 35A ONE POLE FLAT ROCKER RED Data Sheet 21
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 35 A 277 V 80 V 1 Pole Rocker Series Trip (Current) C - 55 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
Schurter TS-709-10
Enlarge		 Schurter Circuit Breakers 10A Thermal Reset 1-pole threaded neck Page 2,740

 Data Sheet 		147
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 10 A 125 V, 250 V 32 V 1 Pole Pushbutton TS-709 - 10 C to + 60 C No
Carling Technologies AA1-B0-34-620-3B1-C
Enlarge		 Carling Technologies Circuit Breakers 20 AMP ONE POLE Page 2,021

 Data Sheet 		19
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 20 A 277 V 80 V 1 Pole Handle Series Trip (Current) A - 40 C to + 85 C No
Compare up to 20 parts.
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