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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 7,495 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 W57-XJ2A22B10-3M
 Enlarge
TE Connectivity Circuit Breakers W57-XJ2A22B10-3M
Data Sheet 539
In Stock
1: $3.58
100: $3.00
500: $2.49
1,000: $2.21
2,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
TE Connectivity / P&B 1-1423673-6
 Enlarge
TE Connectivity / P&B Circuit Breakers W51-A151A1-7=CKTBKRK THERM ROCK
Data Sheet 201
In Stock
1: $3.72
10: $2.97
50: $2.81
100: $2.67
250: $2.33



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 7 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W54-XG7A12B10-30
 Enlarge
TE Connectivity / P&B Circuit Breakers THERMAL CIRCUIT BREAKER
Data Sheet 115
In Stock
1: $3.73
5: $3.70
10: $3.67
25: $3.44
50: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
TE Connectivity / P&B Circuit Breakers W57-XA8A4A10-5 CKTBKR THERM PB
Data Sheet 191
In Stock
1: $3.73
10: $2.98
50: $2.83
100: $2.69
250: $2.35



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
TE Connectivity / P&B 1-1423673-8
 Enlarge
TE Connectivity / P&B Circuit Breakers W51-A151A1-15=CKTBKR THERM ROCK
Data Sheet 177
In Stock
1: $3.79
10: $3.02
50: $2.87
100: $2.72
250: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 15 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Not Illuminated
TE Connectivity / P&B 1-1423673-7
 Enlarge
TE Connectivity / P&B Circuit Breakers W51-A151A1-10=CKTBKR THERM ROCK
Data Sheet 170
In Stock
1: $3.79
10: $3.02
50: $2.87
100: $2.41
250: $2.38



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 10 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Not Illuminated
TE Connectivity / P&B 5-1423675-8
 Enlarge
TE Connectivity / P&B Circuit Breakers W57-XA7A15A10-20 CKTBKR THERM
Data Sheet 152
In Stock
1: $3.93
10: $3.14
50: $2.97
100: $2.83
250: $2.47



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
TE Connectivity / P&B 1423673-4
 Enlarge
TE Connectivity / P&B Circuit Breakers W51-A121B1-8=CKTBKRK THERM ROCK
Data Sheet 200
In Stock
1: $4.00
10: $3.19
50: $3.02
100: $2.87
250: $2.53



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 8 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
Schurter Circuit Breakers TS CIRCUIT BREAKER
Data Sheet 85
In Stock
1: $4.32



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 Not Illuminated
Schurter TS-701-HT-5
 Enlarge
Schurter Circuit Breakers 5A Thermal Reset 1-pole threaded neck
Page 2,941

Data Sheet
67
In Stock
1: $4.53
10: $4.03
25: $3.62
50: $3.43
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W54-XB1A4A10-35
 Enlarge
TE Connectivity / P&B Circuit Breakers 35 Amps 1Pole Therm Circuit Brker
Data Sheet 122
In Stock
More Info Available
1: $4.55
25: $3.98
50: $3.59
100: $2.84
200: $2.55



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 35 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
TE Connectivity Circuit Breakers W54-XA1C99C10-40 CKTBKR THERM
Data Sheet 60
In Stock
1: $4.79
10: $3.83
50: $3.63
100: $3.45



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 40 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
Carling Technologies CLB-253-00DNN-W-F/25
 Enlarge
Carling Technologies Circuit Breakers THERMAL BREAKER
Data Sheet 95
In Stock
1: $4.93
10: $4.44
25: $3.95
50: $3.56
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 25 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Schurter TS-701-HT-3
 Enlarge
Schurter Circuit Breakers TS CIRCUIT BREAKER
Data Sheet 53
In Stock
1: $4.99
10: $4.54
25: $4.17
50: $3.84
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 3 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C Not Illuminated
Schurter TS-701-HT-5H
 Enlarge
Schurter Circuit Breakers 5A Thermal Reset 1-pole thread w/ nut
Data Sheet 50
In Stock
1: $5.09
10: $4.54
25: $4.08
50: $3.86
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XT1A-1
 Enlarge
TE Connectivity / P&B Circuit Breakers 1POLE 1Amps Therm Circuit Brker
Data Sheet 105
In Stock
1: $5.19
25: $4.66
50: $4.30
100: $3.47



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W58-XB1A4A-12
 Enlarge
TE Connectivity / P&B Circuit Breakers 12A PUSH TO RESET QC
Page 2,132

Data Sheet
169
In Stock
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 12 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B 1423695-4
 Enlarge
TE Connectivity / P&B Circuit Breakers W58-XC1A4A-16=CKTBKR THERM PB
Data Sheet 82
In Stock
1: $5.22
10: $4.56
50: $4.13
100: $3.26



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 16 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-7
 Enlarge
TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET QC
Page 2,132

Data Sheet
97
In Stock
More Info Available
1: $5.30
10: $4.94
25: $4.64
50: $4.19
100: $3.30



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 7 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
Carling Technologies CLB-253-11A3N-B-A
 Enlarge
Carling Technologies Circuit Breakers 25 AMP METAL BLACK
Page 2,130

Data Sheet
101
In Stock
1: $5.70
10: $4.48
25: $3.82
50: $2.99
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 25 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-7
 Enlarge
TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET ST
Page 2,132

Data Sheet
91
In Stock
1: $5.81
10: $5.55
25: $5.17
50: $4.68
100: $3.69



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 7 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
Carling Technologies CMB-053-11C3N-B-A
 Enlarge
Carling Technologies Circuit Breakers 5 AMP PLASTIC BLK
Page 2,130

Data Sheet
110
In Stock
1: $6.65
10: $5.64
25: $4.85
50: $4.35
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 A 125 V to 250 V 32 V 1 Pole Pushbutton CMB - 10 C to + 60 C Not Illuminated
Carling Technologies CLB-053-11A3N-B-A
 Enlarge
Carling Technologies Circuit Breakers 5 AMP METAL BLACK
Data Sheet 91
In Stock
1: $6.97
50: $6.30
100: $5.64
500: $5.04
1,250: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Schurter 4400.0345
 Enlarge
Schurter Circuit Breakers .250 QC SP THERML 3A
Page 2,940

Data Sheet
67
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 Not Illuminated
Schurter 4400.0006
 Enlarge
Schurter Circuit Breakers .250 QC SP THERML 5A
Page 2,940

Data Sheet
88
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 5 A 240 V 48 V 1 Pole Pushbutton ON/OFF T11 - 5 C to + 60 C Not Illuminated
Compare up to 20 parts.
7495
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