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All Products > Electromechanical > 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 7,497 Matches  

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Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents 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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TE Connectivity / P&B W67-X2Q110-20
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 20A WH
Data Sheet 48
In Stock
1: $21.26
5: $20.03
10: $18.47
25: $15.38
50: View



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 1 Pole Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W33-S4B1Q-5
Enlarge
TE Connectivity / P&B Circuit Breakers 2poles 5Amps Rocker Therm Circuit Brker
Data Sheet 78
In Stock
1: $22.52
5: $21.69
10: $20.60
25: $19.70
50: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Illuminated
TE Connectivity / P&B W33-T2N1Q-5
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet 42
In Stock
1: $27.00
5: $24.24
10: $22.37
25: $18.62
50: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W33-T2N1Q-10
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet 60
In Stock
1: $27.00
5: $24.24
10: $22.37
25: $18.62
50: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W33-T4B1Q-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A 2-P Illum Amber P1 & P2 Trip QC
Page 2,941

Data Sheet
56
In Stock
1: $28.94
10: $27.00
25: $25.31
50: $22.91
100: View



Min.: 1
Mult.: 1
No

Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Illuminated
TE Connectivity / P&B W33-T4B1Q-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A 2-P Illum Amber P1 & P2 Trip QC
Page 2,941

Data Sheet
60
In Stock
1: $28.94
10: $27.00
25: $25.31
50: $22.91
100: View



Min.: 1
Mult.: 1
No

Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 10A AMB
Data Sheet 48
In Stock
1: $30.96
5: $27.82
10: $25.66
25: $21.35
50: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Illuminated
TE Connectivity / P&B W92-X112-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A 2 POLE 2 TOGGLE
Page 2,132

Data Sheet
25
In Stock
1: $49.30
10: $44.22
25: $43.13
50: $39.01
100: $33.66



Min.: 1
Mult.: 1
No

Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 2 Poles Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity W92-X112-40
Enlarge
TE Connectivity Circuit Breakers CIRCUIT BREAKER SWITCH 40A BLK
Data Sheet 22
In Stock
1: $50.30
5: $48.64
10: $46.35
25: $42.42
50: View



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 40 A 277 V 2 Poles Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W68-X2Q12-3
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 3A WHITE
Data Sheet 21
In Stock
1: $52.76
5: $47.40
10: $43.73
25: $36.39
50: View



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 3 A 277 V 2 Poles Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
Schurter 4404.0002
Enlarge
Schurter Circuit Breakers 6A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,940

Data Sheet
118
In Stock
1: $1.67
10: $1.59
25: $1.48
50: $1.39
100: $1.30



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 6 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Carling Technologies CTB-B-B-12
Enlarge
Carling Technologies Circuit Breakers 12 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
288
In Stock
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 Not Illuminated
Schurter 4404.0006
Enlarge
Schurter Circuit Breakers 16A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,940

Data Sheet
454
In Stock
1: $1.87
10: $1.78
25: $1.66
50: $1.56
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 16 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Schurter TS-709-15K
Enlarge
Schurter Circuit Breakers 15A Thermal Reset 1-pole thread w/ nut
Page 2,941

Data Sheet
134
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 Not Illuminated
Schurter TS-709-10
Enlarge
Schurter Circuit Breakers 10A Thermal Reset 1-pole threaded neck
Page 2,941

Data Sheet
255
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 Not Illuminated
Schurter 4404.0022
Enlarge
Schurter Circuit Breakers 10A 0.25" QC Threaded neck
Page 2,940

Data Sheet
247
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 Not Illuminated
Carling Technologies C1005B-3B101BR3
Enlarge
Carling Technologies Circuit Breakers 10 AMPS BLK BEZEL WHT RED
Data Sheet 337
In Stock
1: $2.03
25: $1.93
50: $1.77
100: $1.69
500: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal Switch Protector 10 A 125 V, 250 V 32 V 1 Pole Rocker C1005B 0 C to + 60 C Illuminated
Carling Technologies CTB-B-B-03
Enlarge
Carling Technologies Circuit Breakers 3 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
339
In Stock
1: $2.09
10: $1.72
25: $1.62
50: $1.57



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 3 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
Carling Technologies CTB-B-B-05
Enlarge
Carling Technologies Circuit Breakers 5 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
439
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 Not Illuminated
Schurter TS-709-12K
Enlarge
Schurter Circuit Breakers 12A Thermal Reset 1-pole thread w/ nut
Page 2,941

Data Sheet
276
In Stock
1: $2.21
10: $1.96
25: $1.77
50: $1.66
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 12 A 125 V, 250 V 32 V 1 Pole Pushbutton TS-709 - 10 C to + 60 C Not Illuminated
Carling Technologies CMB-073-11C3N-B-A
Enlarge
Carling Technologies Circuit Breakers 7 AMP PLASTIC BLK
Page 2,130

Data Sheet
83
In Stock
1: $2.23
10: $1.84
25: $1.73
50: $1.67



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 7 A 125 V to 250 V 32 V 1 Pole Pushbutton C - 10 C to + 60 C Not Illuminated
Carling Technologies CMB-063-11C3N-B-A
Enlarge
Carling Technologies Circuit Breakers 6 AMP PLASTIC BLK
Page 2,130

Data Sheet
105
In Stock
1: $2.23
10: $1.84
25: $1.72
50: $1.67



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 6 A 125 V to 250 V 32 V 1 Pole Pushbutton C - 10 C to + 60 C Not Illuminated
Schurter Circuit Breakers CBE TZZ01
Data Sheet 224
In Stock
1: $2.40



Min.: 1
Mult.: 1


T11
Carling Technologies CTB-B-B-04
Enlarge
Carling Technologies Circuit Breakers 4 AMP 50VDC PNL MNT
Data Sheet 137
In Stock
1: $2.41
10: $1.98
25: $1.87
50: $1.81
100: $1.59



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 4 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
Carling Technologies CTB-B-B-07
Enlarge
Carling Technologies Circuit Breakers 7 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
100
In Stock
1: $2.41
10: $1.98
25: $1.87
50: $1.81
100: $1.59



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 7 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
Compare up to 20 parts.
7497