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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 7,501 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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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
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 14 A 240 V 32 V 1 Pole Pushbutton Trip Free T9-826 - 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
298
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 TS-701-HT-20
 Enlarge
Schurter Circuit Breakers 20A Thermal Reset 1-pole threaded neck
Page 2,941

Data Sheet
97
In Stock
1: $3.20
10: $2.83
25: $2.56
50: $2.40
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 20 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 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
105
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
TE Connectivity Circuit Breakers CKTBKR,THERM,ROCK
Data Sheet 103
In Stock
1: $3.22
10: $2.87
100: $2.64
500: $2.43



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 5 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 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
75
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 W54-XB1A4A10-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,131

Data Sheet
244
In Stock
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 W28-XT1A-8
 Enlarge
TE Connectivity / P&B Circuit Breakers 1Poles 8Amps Therm Circuit Brker
Data Sheet 111
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-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 1-1423364-4
 Enlarge
TE Connectivity / P&B Circuit Breakers W57-XB1A4A10-10 CKTBKR THERM P
Data Sheet 99
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 Circuit Breakers 15A RCKR ACT NON-ILL
Page 2,132

Data Sheet
137
In Stock
More Info Available
1: $3.37
10: $3.14
25: $2.94
50: $2.67
100: $2.07



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 W51-A152A1-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A RCKR ACT NON-ILL
Page 2,132

Data Sheet
138
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
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 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 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 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 1-1423673-8
 Enlarge
TE Connectivity / P&B Circuit Breakers W51-A151A1-15=CKTBKR THERM ROCK
Data Sheet 179
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 173
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
Carling Technologies CLB-033-11B3A-B-A
 Enlarge
Carling Technologies Circuit Breakers 3 AMP METAL BLK
Page 2,130

Data Sheet
58
In Stock
1: $3.94
10: $3.36
25: $3.05
50: $2.96
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 3 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Carling Technologies CLB-353-11B3A-B-A
 Enlarge
Carling Technologies Circuit Breakers 35 AMP METAL BLK
Page 2,130

Data Sheet
159
In Stock
1: $3.96
10: $3.27
25: $3.20
50: $2.97
100: $2.60



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 35 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 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 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
Compare up to 20 parts.
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