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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 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
TE Connectivity / P&B W91-X112-5
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK
Data Sheet 80
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 Circuit Breakers 5A ROCKR ACT NON-ILL
Page 2,041

Data Sheet
483
In Stock
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
Schurter 4404.0010
 Enlarge
Schurter Circuit Breakers 15A 0.25" QC Snap-in front
Page 2,804

Data Sheet
652
In Stock
1: $1.67
10: $1.59
25: $1.48
50: $1.39
100: $1.30



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Schurter 4404.0007
 Enlarge
Schurter Circuit Breakers 5A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,803

Data Sheet
508
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 5 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Phoenix Contact 0902030 Phoenix Contact Circuit Breakers TMC 61C 02A
Data Sheet 31
In Stock
1: $29.41
10: $26.84
25: $26.14
50: $25.28
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 2 A 240 V, 415 V 1 Pole Handle TMC 60 Not Illuminated
Phoenix Contact 5600314 Phoenix Contact Circuit Breakers THERMO CB 2.0A
Page 2,042 26
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 2 A 1 Pole Pushbutton TMC - 10 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 2,043

Data Sheet
608
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 15 A 240 V 32 V 1 Pole Pushbutton Trip Free T9-827 - 5 C to + 60 C Not Illuminated
Phoenix Contact 5650121
 Enlarge
Phoenix Contact Circuit Breakers TMC 42-01-10A
Page 2,042 26
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 10 A 1 Pole Pushbutton TMC - 10 C to + 60 C Not Illuminated
Schurter TS-709-5H
 Enlarge
Schurter Circuit Breakers 5A Thermal Reset 1-pole thread w/ nut
Page 2,803

Data Sheet
500
In Stock
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
Carling Technologies EA1-B0-26-450-32E-FB
 Enlarge
Carling Technologies Circuit Breakers Cir Bkr, Hyd/Mag 1 Pole, Blk Act, 5A
Page 2,038

Data Sheet
62
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 Series - 40 C to + 85 C Not Illuminated
Schurter 4430.2306
 Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 20A
Page 2,043

Data Sheet
36
In Stock
1: $27.69
10: $24.61
25: $22.14
50: $20.90



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 20 A 240 V 60 V 2 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
TE Connectivity W58-X1101-2.5 TE Connectivity Circuit Breakers W58-X1101-2.5=CKTBKR,THERM,PB,QC.250,BUS
Data Sheet 389
In Stock
1: $3.20
10: $2.91
100: $2.66
500: $2.46
1,000: $2.28



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2.5 A 250 V 50 V 1 Pole Pushbutton Series trip W58 - 20 C to + 60 C Not Illuminated
Phoenix Contact 5600310 Phoenix Contact Circuit Breakers TMC 42-01-15A
Page 2,042 28
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 15 A 1 Pole Pushbutton ON/OFF TMC - 10 C to + 60 C Not Illuminated
Carling Technologies MS1-B-10-430-2-1CB-A-A
 Enlarge
Carling Technologies Circuit Breakers Sld Toggle Cir Brkr
Data Sheet 24
In Stock
1: $59.49
10: $54.08
25: $49.58
50: $45.75



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 3 A 50 V 1 Pole Toggle Series Trip (Current) MS Series - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W54-XB2A99C10-25
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 25 AMP
Data Sheet 300
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 Circuit Breakers CKTBKR THERM ROCK QC.250
Data Sheet 44
In Stock
1: $26.13
25: $25.15
50: $24.04
100: $23.19



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 12 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Illuminated
Schurter 4404.0096
 Enlarge
4404.0096

New Product
New Product


Schurter Circuit Breakers 1 pole 3A THT Term for PCB mounting
Page 2,043

Data Sheet
492
In Stock
1: $3.89
50: $3.57
100: $3.29
500: $2.61
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 3 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-818 - 5 C to + 60 C Not Illuminated
TE Connectivity / P&B W91-X112-7
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 7A BLACK
Data Sheet 48
In Stock
1: $22.83
5: $20.51
10: $18.92
25: $15.75
50: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 7 A 277 V 1 Pole Toggle Series trip W9 - 40 C to + 85 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 2,043

Data Sheet
452
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 12 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-825 - 5 C to + 60 C Not Illuminated
Carling Technologies Circuit Breakers Circuit Breaker 5pole, DC
Data Sheet 7
In Stock
1: $117.98



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 277 V 80 V 5 Pole Handle Series Trip (Current) A Series - 40 C to + 85 C Not Illuminated
Phoenix Contact 0914138
 Enlarge
Phoenix Contact Circuit Breakers TMC 1 F1 100 5.0A
Data Sheet 22
In Stock
1: $78.42
10: $71.57
25: $69.69
50: $67.40
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 5 A 250 V 65 V 1 Pole Toggle - 30 C to + 60 C Not Illuminated
TE Connectivity / P&B W33-T2N1Q-5
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet 42
In Stock
1: $27.67
5: $24.85
10: $22.93
25: $19.08
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 Not Illuminated
Carling Technologies BA2-B0-34-450-121-D
 Enlarge
Carling Technologies Circuit Breakers 5 A TWO POLE
Page 2,038

Data Sheet
29
In Stock
1: $59.93
10: $41.22
25: $36.65
50: $33.20
100: $32.20



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 5 A 277 V 80 V 2 Pole Handle Series Trip (Current) B Series - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 10A AMB
Data Sheet 40
In Stock
1: $31.73
5: $28.51
10: $26.29
25: $21.88
50: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Illuminated
Compare up to 20 parts.
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