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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 7,635 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-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 1pole 5Amp Therm Circuit Brker
Data Sheet 518
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 W92-X112-1
 Enlarge
TE Connectivity / P&B Circuit Breakers 1A 2 POLE 2 TOGGLE
Page 2,041

Data Sheet
34
In Stock
1: $51.53
10: $46.22
25: $45.09
50: $40.78
100: $40.52



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 1 A 277 V 2 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity Circuit Breakers 16A Push to Reset 6.35 Strt Quick Conn
Data Sheet 200
In Stock
100: $4.19
200: $3.60



Min.: 100
Mult.: 100
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 W51-A161A1-15
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED
Data Sheet 451
In Stock
1: $3.46
10: $3.22
25: $3.02
50: $2.73
100: $2.15



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-A122B1-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL
Page 2,041

Data Sheet
396
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
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 2A BLK
Data Sheet 360
In Stock
1: $4.70
25: $4.21
50: $3.90
100: $3.27



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 2 A 250 V 32 V 1 Pole Pushbutton Series trip W28 Not Illuminated
TE Connectivity / P&B W33-S1N1Q-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A 2-P Black Rocker P1 Switch P2 Trip QC
Page 2,803

Data Sheet
58
In Stock
1: $18.67
5: $17.98
10: $17.00
25: $16.29
50: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Not Illuminated
Phoenix Contact 2800840
 Enlarge
Phoenix Contact Circuit Breakers CB TM1 5A SFB P
This product may require additional documentation to export from the United States.
Page 2,042

Data Sheet
27
In Stock
1: $42.66
10: $38.93
25: $37.91
50: $36.66
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 5 A 240 V, 277 V 50 V 1 Pole Slide Trip Free CB TM1 - 30 C to + 60 C Not Illuminated
Phoenix Contact 0700010
 Enlarge
Phoenix Contact Circuit Breakers TCP 10/DC32V
Data Sheet 87
In Stock
1: $14.06
10: $13.68
25: $13.33
50: $12.79
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device 10 A 32 V 1 Pole Pushbutton TCP - 30 C to + 60 C Not Illuminated
TE Connectivity / P&B W93-X112-40
 Enlarge
TE Connectivity / P&B Circuit Breakers 40A 3 POLE TOGGLE
Data Sheet 17
In Stock
1: $82.04
25: $70.77
50: $65.55
100: $63.94



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 40 A 277 V 3 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W68-X2Q12-7
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 7A WHITE
Data Sheet 22
In Stock
1: $50.53
5: $47.62
10: $43.93
25: $36.55
50: $35.15



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 7 A 277 V 2 Pole Toggle Series trip W6 - 40 C to + 85 C Not Illuminated
Phoenix Contact 5531082 Phoenix Contact Circuit Breakers THERMO CB 5.0A
Page 2,042 29
In Stock
1: $47.33
10: $43.20
25: $42.07
50: $40.68
100: View



Min.: 1
Mult.: 1
Thermal Magnetic Circuit Breakers Circuit Breakers 5 A 1 Pole Pushbutton TMC - 10 C to + 60 C Not Illuminated
TE Connectivity W92-X112-40
 Enlarge
TE Connectivity Circuit Breakers CIRCUIT BREAKER SWITCH 40A BLK
Data Sheet 20
In Stock
1: $53.23
5: $52.81
10: $52.16
25: $50.68
50: View



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 40 A 277 V 2 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
Carling Technologies CLB-153-11A3N-B-A
 Enlarge
Carling Technologies Circuit Breakers 15 AMP METAL BLACK
Page 2,039

Data Sheet
592
In Stock
1: $2.58
10: $2.49
25: $2.41
50: $2.26
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 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 312
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-XC4C12A-25
 Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET ST
Page 2,041

Data Sheet
269
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
Phoenix Contact 0902072 Phoenix Contact Circuit Breakers TMC 61C 10A
Data Sheet 54
In Stock
More Info Available
1: $29.41
10: $26.84
25: $26.14
50: $25.28
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 10 A 240 V, 415 V 1 Pole Handle TMC 60 Not Illuminated
TE Connectivity / P&B W31-X2M1G-2
 Enlarge
TE Connectivity / P&B Circuit Breakers 2A TOGGLE ACTUATOR
Page 2,040

Data Sheet
41
In Stock
1: $45.30
10: $42.52
25: $39.63
50: $35.85
100: $28.31



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 240 V 50 V 1 Pole Toggle Series trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W92-X112-5
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK
Data Sheet 21
In Stock
1: $49.44
5: $47.50
10: $46.67
25: $43.15
50: View



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 277 V 2 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
Schurter 4430.2311
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 2.0A
Page 2,043

Data Sheet
79
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 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
TE Connectivity W57-XJ2A22B10-20M
 Enlarge
TE Connectivity Circuit Breakers W57-XJ2A22B10-20M=CKTBKR,THERM,PB,QC.250
Data Sheet 816
In Stock
1: $1.58
100: $1.44
500: $1.31
1,000: $1.22
2,000: View



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 W33-S4B1Q-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 2poles 5Amps Rocker Therm Circuit Brker
Data Sheet 64
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 Pole Rocker Series Trip Overload Sensing W33 Illuminated
Schurter 4404.0001
 Enlarge
Schurter Circuit Breakers 4A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,803

Data Sheet
513
In Stock
1: $1.75
10: $1.66
25: $1.55
50: $1.45
100: $1.27



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 4 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 50 C Not Illuminated
Schurter 4404.0004
 Enlarge
Schurter Circuit Breakers 10A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,803

Data Sheet
590
In Stock
1: $1.87
10: $1.78
25: $1.66
50: $1.56
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
TE Connectivity / P&B W67-X2Q13-1
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 1A WHITE
Data Sheet 44
In Stock
1: $22.84
5: $20.52
10: $18.92
25: $15.75
50: View



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 1 A 277 V 1 Pole Toggle Series trip W6 - 40 C to + 85 C Not Illuminated
Compare up to 20 parts.
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