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All Products > Electromechanical > Circuit Breakers

Circuit Breakers

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 7,746 Matches  

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Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
(USD)
Quantity RoHS Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Type Series Operating Temperature Range Illuminated
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TE Connectivity / P&B W31-X2M1G-7.50
 Enlarge
TE Connectivity / P&B Circuit Breakers 7.5A TOGGLE ACTUATOR
Page 2,040

Datasheet
148
In Stock
1: $29.52
10: $27.54
25: $25.82
50: $23.36
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 7.5 A 240 V 50 VDC 1 Pole Toggle W31 - 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 2,040

Datasheet
87
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 VDC 1 Pole Toggle W31 - 20 C to + 60 C Not Illuminated
Schurter 4404.0005
 Enlarge
Schurter Circuit Breakers 12A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,803

Datasheet
1,033
In Stock
1: $1.96
10: $1.86
25: $1.74
50: $1.63
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 12 A 240 V 48 VDC 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Schneider Electric GV3ME80
 Enlarge
Schneider Electric Circuit Breakers MAN-START 600VAC 80AMP IEC
Datasheet 3
In Stock
1: $633.30
5: $612.32
10: $591.34
25: View



Min.: 1
Mult.: 1


Thermal Magnetic Circuit Breakers Circuit Breakers 80 A 690 V 3 Pole Pushbutton - 20 C to + 60 C
TE Connectivity / P&B W23-X1A1G-7.50
 Enlarge
TE Connectivity / P&B Circuit Breakers 7.5A PUSH/PULL ACT.
Page 2,040

Datasheet
100
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 7.5 A 240 V 50 VDC 1 Pole Pushbutton W23 - 20 C to + 60 C Not Illuminated
Schurter 4430.2304
 Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 10A
Page 2,043

Datasheet
142
In Stock
1: $27.69
10: $24.43
25: $22.14
50: $20.90



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 60 VDC 2 Pole Rocker TA45 - 10 C to + 55 C
TE Connectivity / P&B W31-X2M1G-1
 Enlarge
TE Connectivity / P&B Circuit Breakers 1A TOGGLE ACTUATOR
Page 2,040

Datasheet
100
In Stock
1: $44.41
10: $41.69
25: $38.85
50: $35.15
100: $27.75



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 240 V 50 VDC 1 Pole Toggle W31 - 20 C to + 60 C Not Illuminated
Carling Technologies CTB-B-B-05 Carling Technologies Circuit Breakers 5 AMP 50VDC PNL MNT
Page 2,039

Datasheet
1,240
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 VDC 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
Carling Technologies CA1-B0-34-620-121-C
 Enlarge
Carling Technologies Circuit Breakers 20 A ONE POLE
Datasheet 90
In Stock
1: $19.31
10: $18.20
25: $17.41
50: $17.31
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 80 VDC 1 Pole Handle C Series - 55 C to + 85 C Not Illuminated
Schurter 4430.2305
 Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 15A
Page 2,043

Datasheet
198
In Stock
1: $26.23
10: $23.72
25: $21.17
50: $20.00



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 240 V 60 VDC 2 Pole Rocker TA45 - 10 C to + 55 C
Phoenix Contact 0916603
 Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 0.5A
Page 2,042 151
In Stock
1: $16.74
10: $15.70
25: $14.97
50: $14.44
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 500 mA 240 V 28 VDC 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
Phoenix Contact 0903022
 Enlarge
Phoenix Contact Circuit Breakers EC-E1 0,5A 0.5A, N/O SIGNAL CNT
30
In Stock
1: $88.23
10: $80.53
25: $78.42
50: $75.84
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Electronic 500 mA 24 VDC 1 Pole Slide Switch EC-E 0 C to + 50 C Not Illuminated
TE Connectivity Circuit Breakers W23-X1013-15=W23/W31
Datasheet 99
In Stock
1: $35.44
10: $28.35
50: $26.87
100: $25.54



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 15 A 240 V 50 VDC 1 Pole Pushbutton W23 Not Illuminated
Phoenix Contact 0903023
 Enlarge
Phoenix Contact Circuit Breakers EC-E1 1A 1 A, N/O SIGNAL CNT
Page 2,803 36
In Stock
1: $88.23
10: $80.53
25: $78.42
50: $75.84
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Electronic 1 A 24 VDC 1 Pole Slide Switch EC-E 0 C to + 50 C Not Illuminated
Carling Technologies EA2-B0-26-620-32E-HB
 Enlarge
Carling Technologies Circuit Breakers Cir Bkr, Hyd/Mag 2 Pole, Blk Act, 20A
Page 2,038

Datasheet
44
In Stock
1: $53.27
5: $52.24
10: $50.26
25: $47.57
50: $41.78



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 600 V 125 VDC 2 Pole Handle E Series - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W51-C161A1-15
 Enlarge
W51-C161A1-15

New At Mouser
New At Mouser


TE Connectivity / P&B Circuit Breakers W51-C161A1-15=CKTBKR,THERM,ROC
Datasheet 1,000
In Stock
1: $2.71
10: $2.42
100: $2.22
250: $1.99



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 125 V 50 VDC 1 Pole Rocker W51 0 C to + 60 C Not Illuminated
Carling Technologies EA2-B0-26-450-32E-HB
 Enlarge
Carling Technologies Circuit Breakers Cir Bkr, Hyd/Mag 2 Pole, Blk Act, 5A
Datasheet 105
In Stock
1: $53.27
5: $52.24
10: $50.26
25: $47.57
50: $41.78



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 600 V 125 VDC 2 Pole Handle E Series - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W28-XT1A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Datasheet 664
In Stock
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 VDC 1 Pole Pushbutton W28 Not Illuminated
TE Connectivity / P&B W23-X1A1G-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH/PULL ACT.
Page 2,040

Datasheet
48
In Stock
1: $24.68
10: $24.03
25: $21.59
50: $19.53
100: $16.73



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 240 V 50 VDC 1 Pole Pushbutton W23 - 20 C to + 60 C Not Illuminated
Carling Technologies CTB-B-B-03 Carling Technologies Circuit Breakers 3 AMP 50VDC PNL MNT
Page 2,039

Datasheet
503
In Stock
1: $2.13
10: $1.75
25: $1.65
50: $1.60
100: $1.57



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 3 A 250 V 32 VDC 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-50
 Enlarge
TE Connectivity / P&B Circuit Breakers 50A TOGGLE ACTUATOR
Page 2,040

Datasheet
166
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 VDC 1 Pole Toggle W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-8
 Enlarge
TE Connectivity / P&B Circuit Breakers 8A PUSH TO RESET QC
Page 2,041

Datasheet
377
In Stock
1: $5.03
10: $3.97
25: $3.76
50: $3.42
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 8 A 250 V 50 VDC 1 Pole Pushbutton W58 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712259
 Enlarge
Phoenix Contact Circuit Breakers TCP 4 AMPS
Page 2,042 94
In Stock
1: $15.73
10: $14.36
25: $13.98
50: $13.52
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 4 A 250 V 65 VDC TCP - 20 C to + 60 C Not Illuminated
Carling Technologies CLB-153-11A3N-B-A
 Enlarge
Carling Technologies Circuit Breakers 15 AMP METAL BLACK
Page 2,039

Datasheet
536
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 VDC 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W54-XB1A4A10-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET
Page 2,040

Datasheet
467
In Stock
More Info Available
1: $3.32
10: $3.03
25: $2.84
50: $2.59
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 250 V 1 Pole Pushbutton W54 0 C to + 60 C Not Illuminated
Compare up to 20 parts.
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