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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 7,500 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 W31-X2M1G-50
Enlarge
TE Connectivity / P&B Circuit Breakers 50A TOGGLE ACTUATOR
Page 2,131

Data Sheet
204
In Stock
1: $29.52
10: $27.54
25: $25.82
50: $23.36
100: $18.45



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 50 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A TOGGLE ACTUATOR
Page 2,131

Data Sheet
73
In Stock
1: $29.54
10: $27.56
25: $25.84
50: $23.37
100: $21.76



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A TOGGLE ACTUATOR
Page 2,131

Data Sheet
55
In Stock
1: $29.54
10: $27.56
25: $25.84
50: $23.37
100: $21.76



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A TOGGLE ACTUATOR
Page 2,131

Data Sheet
80
In Stock
1: $30.10
10: $28.08
25: $26.33
50: $23.82
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
Altech 1DU2L
Enlarge
Altech Circuit Breakers 2.0A One Pole "D"
Page 2,128

Data Sheet
298
In Stock
1: $30.97
10: $29.83
50: $27.11
100: $15.29
250: View



Min.: 1
Mult.: 1
Circuit Protection Devices D-Trip 2 A 277 VAC 1 Pole Handle Supplementary Protectors L - 25 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH/PULL ACT.
Page 2,131

Data Sheet
65
In Stock
1: $35.69
10: $33.31
25: $31.23
50: $28.26
100: $22.31



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-2
Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH/PULL ACT.
Page 2,131

Data Sheet
83
In Stock
1: $36.43
10: $33.99
25: $31.87
50: $28.84
100: $26.93



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-3
Enlarge
TE Connectivity / P&B Circuit Breakers 3A TOGGLE ACTUATOR
Page 2,131

Data Sheet
84
In Stock
1: $43.54
10: $40.64
25: $38.10
50: $34.47
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-2
Enlarge
TE Connectivity / P&B Circuit Breakers 2A TOGGLE ACTUATOR
Page 2,131

Data Sheet
82
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 W68-X2Q12-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A 2 POLE 2 TOGGLE
Page 2,132

Data Sheet
63
In Stock
1: $50.30
10: $48.13
25: $44.01
50: $39.81
100: $33.61



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 2 Poles Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
Schurter 4404.0007
Enlarge
Schurter Circuit Breakers 5A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,940

Data Sheet
811
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
Carling Technologies CTB-B-B-12
Enlarge
Carling Technologies Circuit Breakers 12 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
499
In Stock
1: $1.80
10: $1.62
25: $1.49
50: $1.39



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 12 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
Schurter 4404.0004
Enlarge
Schurter Circuit Breakers 10A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,940

Data Sheet
818
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
Carling Technologies CTB-B-B-05
Enlarge
Carling Technologies Circuit Breakers 5 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
622
In Stock
1: $2.09
10: $1.72
25: $1.62
50: $1.57



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
Carling Technologies CTB-B-B-03
Enlarge
Carling Technologies Circuit Breakers 3 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
488
In Stock
1: $2.09
10: $1.72
25: $1.62
50: $1.57



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 3 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
Carling Technologies CLB-403-11B3A-B-A
Enlarge
Carling Technologies Circuit Breakers 40 AMP METAL BLK
Page 2,130

Data Sheet
300
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
Phoenix Contact 0700005
Enlarge
Phoenix Contact Circuit Breakers TCP 5/DC32V
Data Sheet 61
In Stock
1: $13.87
10: $13.49
25: $13.14
50: $12.61
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device 5 A 32 V 1 Pole Pushbutton TCP - 30 C to + 60 C Not Illuminated
Phoenix Contact 0916610
Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 10A
Page 2,133

Data Sheet
95
In Stock
1: $14.49
10: $13.59
25: $12.96
50: $12.50
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 10 A 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
Phoenix Contact 0916612
Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 15A
Page 2,133

Data Sheet
84
In Stock
1: $14.49
10: $13.59
25: $12.96
50: $12.50
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 15 A 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
Phoenix Contact 0712291
Enlarge
Phoenix Contact Circuit Breakers TCP 8 AMPS
Data Sheet 66
In Stock
1: $15.07
10: $13.75
25: $13.39
50: $12.95
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 8 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712275
Enlarge
Phoenix Contact Circuit Breakers TCP 6 AMPS
Page 2,133

Data Sheet
112
In Stock
1: $15.07
10: $13.75
25: $13.39
50: $12.95
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 6 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Schurter 4430.2115
Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 20A
Page 2,134

Data Sheet
78
In Stock
1: $17.86
10: $17.00
25: $15.99
50: $15.15
100: View



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

Data Sheet
60
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
Phoenix Contact 0902072
Enlarge
Phoenix Contact Circuit Breakers TMC 61C 10A
Data Sheet 58
In Stock
1: $28.83
10: $26.32
25: $25.63
50: $24.78
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 10 A 240 V, 415 V 1 Pole Handle TMC 60 Not Illuminated
Compare up to 20 parts.
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