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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 7,507 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 W28-XT1A-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Data Sheet 406
In Stock
More Info Available
1: $3.28
10: $3.06
25: $2.86
50: $2.59
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W51-A122B1-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A RCKR ACT RED ILL
Page 2,132

Data Sheet
489
In Stock
1: $3.48
10: $3.25
25: $3.03
50: $2.75
100: $2.15



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT NON-ILL
Page 2,132

Data Sheet
402
In Stock
More Info Available
1: $3.52
10: $3.27
25: $3.07
50: $2.79
100: View



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
TE Connectivity / P&B W51-A121B1-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL
Page 2,132

Data Sheet
353
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 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
Carling Technologies CLB-403-11B3A-B-A
Enlarge
Carling Technologies Circuit Breakers 40 AMP METAL BLK
Page 2,130

Data Sheet
292
In Stock
1: $4.01
10: $3.30
25: $3.23
50: $3.00



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 40 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Carling Technologies CLB-053-11B3A-B-A
Enlarge
Carling Technologies Circuit Breakers 5 AMP METAL BLK
Page 2,130

Data Sheet
324
In Stock
1: $4.16
10: $3.96
25: $3.12
50: $2.94



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
TE Connectivity / P&B W58-XB1A4A-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET
Page 2,132

Data Sheet
382
In Stock
More Info Available
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-0.50
Enlarge
TE Connectivity / P&B Circuit Breakers 0.5A PUSH TO RESET
Page 2,131

Data Sheet
198
In Stock
1: $5.65
10: $5.26
25: $4.94
50: $4.47
100: $3.53



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 500 mA 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-0.25
Enlarge
TE Connectivity / P&B Circuit Breakers 0.25A PUSH TO RESET
Page 2,131

Data Sheet
333
In Stock
More Info Available
1: $5.65
10: $5.26
25: $4.94
50: $4.47
100: $3.53



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 250 mA 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET ST
Page 2,132

Data Sheet
283
In Stock
1: $5.92
10: $5.79
25: $5.30
50: $4.79
100: $3.79



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET ST
Page 2,132

Data Sheet
248
In Stock
1: $6.06
10: $5.79
25: $5.30
50: $4.79
100: $3.79



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-0.75
Enlarge
TE Connectivity / P&B Circuit Breakers 0.75A PUSH TO RESET
Data Sheet 298
In Stock
1: $6.17
25: $5.40
50: $4.89
100: $3.86
200: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 750 mA 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W58-XB1A4A-4
Enlarge
TE Connectivity / P&B Circuit Breakers 4A PUSH TO RESET QC
Page 2,132

Data Sheet
195
In Stock
More Info Available
1: $7.28
10: $6.84
25: $6.37
50: $5.76
100: $4.55



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 4 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712194
Enlarge
Phoenix Contact Circuit Breakers TCP 1 AMPS
Page 2,133

Data Sheet
94
In Stock
More Info Available
1: $14.71
10: $13.61
25: $12.63
50: $12.50
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 1 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Schurter CBDWF150C0
Enlarge
Schurter Circuit Breakers 15 A White / I-0
Data Sheet 100
In Stock
1: $14.71
10: $13.08
25: $11.77
50: $11.11
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 240 V 60 V 2 Poles Rocker Trip Free TA35 0 C to + 60 C Not Illuminated
Phoenix Contact 0712314
Enlarge
Phoenix Contact Circuit Breakers TCP 10 AMPS
Page 2,133

Data Sheet
108
In Stock
1: $14.71
10: $13.61
25: $12.63
50: $12.50
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 10 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W33-S1N1Q-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A 2-P Black Rocker P1 Switch P2 Trip QC
Page 2,941

Data Sheet
60
In Stock
1: $17.40
10: $16.68
25: $16.02
50: $14.49
100: $12.65



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 W67-X2Q110-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A 1 POLE TOGGLE
Data Sheet 46
In Stock
1: $17.86
5: $17.21
10: $16.51
25: $16.12
50: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 1 Pole Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
Carling Technologies EA1-B0-26-450-32E-FB
Enlarge
Carling Technologies Circuit Breakers Cir Bkr, Hyd/Mag 1 Pole, Blk Act, 5A
Page 2,129

Data Sheet
66
In Stock
1: $18.02
5: $17.45
10: $17.01
25: $16.60



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 600 V 125 V 1 Pole Handle Series Trip (Current) E - 40 C to + 85 C Not Illuminated
Schurter 4430.2298
Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 10A
Page 2,134

Data Sheet
73
In Stock
1: $18.73
10: $16.65
25: $14.98
50: $14.14



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 60 V 1 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter 4430.2311
Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 2.0A
Page 2,134

Data Sheet
86
In Stock
1: $18.73
10: $16.65
25: $14.98
50: $14.14



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 2 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter 4430.2196
Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 20A
Page 2,134

Data Sheet
64
In Stock
1: $20.54
10: $18.25
25: $16.42
50: $15.51
100: $14.63



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 20 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
TE Connectivity / P&B W91-X112-5
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK
Data Sheet 82
In Stock
1: $21.78
5: $20.34
10: $19.72
25: $19.11
50: $17.24



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 277 V 1 Pole Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W67-X2Q12-10
Enlarge
TE Connectivity / P&B Circuit Breakers 1pole 10Amp Toggle Mag circuit breaker
Data Sheet 48
In Stock
1: $21.78
5: $20.33
10: $19.72
25: $19.05
50: $17.24



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 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: $23.08
5: $22.23
10: $21.12
25: $20.19
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
Compare up to 20 parts.
7507