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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 / P&B W54-XB2A99C10-25
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 25 AMP
Data Sheet 69
In Stock
1: $2.97
25: $2.67
50: $2.46
100: $2.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W54-XB1A4A10-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,131

Data Sheet
128
In Stock
1: $2.99
10: $2.78
25: $2.60
50: $2.36
100: $1.83



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
Schurter TS-709-8
 Enlarge
Schurter Circuit Breakers TS CIRCUIT BREAKER
Data Sheet 197
In Stock
1: $3.01
10: $2.74
25: $2.52
50: $2.32
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 8 A 125 V, 250 V 32 V 1 Pole Pushbutton TS-709 - 10 C to + 60 C Not Illuminated
Schurter TS-701-HT-10H
 Enlarge
Schurter Circuit Breakers 10A Thermal Reset 1-pole thread w/ nut
Page 2,941

Data Sheet
80
In Stock
1: $3.06
10: $2.71
25: $2.44
50: $2.30
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 Not Illuminated
Schurter TS-701-HT-10-K
 Enlarge
Schurter Circuit Breakers 10A Thermal Reset 1-pole thread w/ nut
Page 2,941

Data Sheet
73
In Stock
1: $3.06
10: $2.71
25: $2.44
50: $2.30
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 Not Illuminated
Schurter TS-709-5H
 Enlarge
Schurter Circuit Breakers 5A Thermal Reset 1-pole thread w/ nut
Page 2,941

Data Sheet
264
In Stock
More Info Available
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 Not Illuminated
TE Connectivity / P&B 3-1423675-9
 Enlarge
TE Connectivity / P&B Circuit Breakers W57-XB1A4A10-15 CKTBKR THERM P
Data Sheet 142
In Stock
1: $3.10
10: $2.48
50: $2.34
100: $1.98
250: $1.94



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
Carling Technologies CLB-203-11B3A-B-A
 Enlarge
Carling Technologies Circuit Breakers 20 AMP METAL BLK
Page 2,130

Data Sheet
132
In Stock
1: $3.12
10: $2.58
25: $2.45
50: $2.34
100: $2.05



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Schurter 4404.0103
 Enlarge
4404.0103

New Product
New Product


Schurter Circuit Breakers 1 pole 12A THT Term for PCB mounting
Page 2,134

Data Sheet
100
In Stock
More Info Available
1: $3.20
50: $2.94
100: $2.71
500: $2.15
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 12 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-825 - 5 C to + 60 C Not Illuminated
Schurter 4404.0097
 Enlarge
4404.0097

New Product
New Product


Schurter Circuit Breakers 1 pole 4A THT Term for PCB mounting
Page 2,134

Data Sheet
300
In Stock
1: $3.20
50: $2.94
100: $2.71
500: $2.15
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 4 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-819 - 5 C to + 50 C Not Illuminated
Schurter 4404.0104
 Enlarge
4404.0104

New Product
New Product


Schurter Circuit Breakers 1 pole 14A THT Term for PCB mounting
Page 2,134

Data Sheet
100
In Stock
More Info Available
1: $3.20
50: $2.94
100: $2.71
500: $2.15
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 14 A 240 V 32 V 1 Pole Pushbutton Trip Free T9-826 - 5 C to + 60 C Not Illuminated
Schurter 4404.0105
 Enlarge
4404.0105

New Product
New Product


Schurter Circuit Breakers 1 pole 15A THT Term for PCB mounting
Page 2,134

Data Sheet
35
In Stock
More Info Available
1: $3.20
50: $2.94
100: $2.71
500: $2.15
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 240 V 32 V 1 Pole Pushbutton Trip Free T9-827 - 5 C to + 60 C Not Illuminated
Carling Technologies CLB-063-11B3A-B-A
 Enlarge
Carling Technologies Circuit Breakers 6 AMP METAL BLK
Page 2,130

Data Sheet
80
In Stock
1: $3.20
10: $2.90
25: $2.65
50: $2.33
100: $2.10



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 6 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Schurter 4404.0100
 Enlarge
Schurter Circuit Breakers
Page 2,134

Data Sheet
300
In Stock
1: $3.20
50: $2.94
100: $2.71
500: $2.15
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 7 A 240 V 48 V 1 Pole Pushbutton Trip Free - 5 C to + 60 C Not Illuminated
Carling Technologies CLB-123-11B3A-B-A
 Enlarge
Carling Technologies Circuit Breakers 12 AMP METAL BLK
Page 2,130

Data Sheet
73
In Stock
1: $3.23
10: $2.67
25: $2.54
50: $2.43
100: $2.13



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 12 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XT1A-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 1POLE,20Amps Therm Circuit Brker
Data Sheet 188
In Stock
1: $3.23
25: $2.82
50: $2.55
100: $2.02
200: $1.81



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W54-XB1A4A10-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,131

Data Sheet
169
In Stock
More Info Available
1: $3.26
10: $2.99
25: $2.85
50: $2.58
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
TE Connectivity / P&B 1-1423364-4
 Enlarge
TE Connectivity / P&B Circuit Breakers W57-XB1A4A10-10 CKTBKR THERM P
Data Sheet 94
In Stock
1: $3.28
10: $2.70
50: $2.57
100: $2.04
250: $1.84



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XT1A-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO REST
Data Sheet 114
In Stock
1: $3.28
25: $2.87
50: $2.59
100: $2.05
200: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W28-XT1A-8
 Enlarge
TE Connectivity / P&B Circuit Breakers 1Poles 8Amps Therm Circuit Brker
Data Sheet 106
In Stock
1: $3.28
25: $2.86
50: $2.58
100: $2.05
200: $1.84



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 8 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W28-XT1A-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 1pole 5Amp Therm Circuit Brker
Data Sheet 149
In Stock
1: $3.28
25: $2.86
50: $2.58
100: $2.05
200: $1.84



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 5 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B Circuit Breakers W28-XQ1A-3.75=CKTBKR THERM ROCK
Data Sheet 100
In Stock
1: $3.41
10: $2.73
50: $2.59
100: $2.45
250: $2.15



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 3.75 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W51-A152A1-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A RCKR ACT NON-ILL
Page 2,132

Data Sheet
108
In Stock
1: $3.41
10: $3.22
25: $3.02
50: $2.73
100: $2.12



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Not Illuminated
Schurter TS-701-HT-35
 Enlarge
Schurter Circuit Breakers 35A Thermal Reset 1-pole threaded neck
Page 2,941

Data Sheet
99
In Stock
1: $3.46
10: $3.08
25: $2.76
50: $2.61
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 35 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W51-A122B1-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL
Page 2,132

Data Sheet
176
In Stock
1: $3.54
10: $3.31
25: $3.09
50: $2.80
100: $2.21



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
Compare up to 20 parts.
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