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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 7,508 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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Carling Technologies CTB-B-B-04
Enlarge
Carling Technologies Circuit Breakers 4 AMP 50VDC PNL MNT
Data Sheet 109
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 CLB-103-11B3A-B-A
Enlarge
Carling Technologies Circuit Breakers 10 AMP METAL BLK
Page 2,130

Data Sheet
164
In Stock
1: $2.54
10: $2.10
25: $2.00
50: $1.92
100: $1.77



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 10 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Carling Technologies CMB-153-11C3N-B-A
Enlarge
Carling Technologies Circuit Breakers 15 AMP PLASTIC BLK
Page 2,130

Data Sheet
261
In Stock
1: $2.55
10: $2.35
25: $2.20
50: $2.01
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 125 V to 250 V 32 V 1 Pole Pushbutton C - 10 C to + 60 C Not Illuminated
Carling Technologies CMB-103-11C3N-B-A
Enlarge
Carling Technologies Circuit Breakers 10 AMP PLASTIC BLK
Page 2,130

Data Sheet
201
In Stock
1: $2.57
10: $2.12
25: $2.00
50: $1.93
100: $1.69



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 10 A 125 V to 250 V 32 V 1 Pole Pushbutton C - 10 C to + 60 C Not Illuminated
TE Connectivity W57-XJ2A7B10-5M
Enlarge
TE Connectivity Circuit Breakers W57-XJ2A7B10-5M
Data Sheet 260
In Stock
1: $2.61
10: $2.50
25: $2.33
50: $2.21
100: View



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 W57-XB1A7A10-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,131

Data Sheet
85
In Stock
1: $2.65
10: $2.48
25: $2.33
50: $2.11
100: $1.64



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 CTB-B-B-09
Enlarge
Carling Technologies Circuit Breakers 9 AMP 50VDC PNL MNT
Data Sheet 188
In Stock
1: $2.69
10: $2.00
25: $1.91
50: $1.66
100: $1.46



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 9 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Data Sheet 286
In Stock
1: $2.78
10: $2.58
25: $2.43
50: $2.20
100: View



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 5A PUSH TO RESET
Page 2,131

Data Sheet
139
In Stock
1: $2.78
10: $2.58
25: $2.43
50: $2.20
100: View



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 W28-XT1A-3
Enlarge
TE Connectivity / P&B Circuit Breakers W28-XT1A-3
Data Sheet 100
In Stock
More Info Available
1: $2.87
25: $2.51
50: $2.38
100: $1.84



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W54-XB1A4A10-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,131

Data Sheet
109
In Stock
1: $2.95
10: $2.74
25: $2.57
50: $2.33
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W54-XB2A99C10-25
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 25 AMP
Data Sheet 71
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
206
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
Carling Technologies CLB-203-11B3A-B-A
Enlarge
Carling Technologies Circuit Breakers 20 AMP METAL BLK
Page 2,130

Data Sheet
83
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 TS-701-HT-35
Enlarge
Schurter Circuit Breakers 35A Thermal Reset 1-pole threaded neck
Page 2,941

Data Sheet
68
In Stock
1: $3.15
10: $2.80
25: $2.51
50: $2.38
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
Schurter 4404.0100
Enlarge
Schurter Circuit Breakers
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 7 A 240 V 48 V 1 Pole Pushbutton Trip Free - 5 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
103
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 139
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
276
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 75
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 193
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 1-1423364-4
Enlarge
TE Connectivity / P&B Circuit Breakers W57-XB1A4A10-10 CKTBKR THERM P
Data Sheet 281
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 118
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-XQ1A-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,131

Data Sheet
120
In Stock
More Info Available
1: $3.40
10: $3.17
25: $2.97
50: $2.69
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
Compare up to 20 parts.
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