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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 7,737 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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Phoenix Contact 0712314
 Enlarge
Phoenix Contact Circuit Breakers TCP 10 AMPS
Page 2,042 76
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 10 A 250 V 65 VDC TCP - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET ST
Page 2,041

Datasheet
327
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 15 A 250 V 50 VDC 1 Pole Pushbutton W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W51-A121B1-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A RCKR ACT RED ILL
Page 2,041

Datasheet
295
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 125 V 50 VDC 1 Pole Rocker W51 0 C to + 60 C Illuminated
TE Connectivity / P&B W51-A161A1-15
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED
Datasheet 405
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 VDC 1 Pole Rocker W51 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-40
 Enlarge
TE Connectivity / P&B Circuit Breakers 40A TOGGLE ACTUATOR
Page 2,040

Datasheet
54
In Stock
1: $31.31
10: $29.20
25: $27.37
50: $24.77
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 40 A 240 V 50 VDC 1 Pole Toggle W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XT1A-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 1pole 5Amp Therm Circuit Brker
Datasheet 565
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 VDC 1 Pole Pushbutton W28 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

Datasheet
59
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 VDC 1 Pole Handle E Series - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET ST
Page 2,041

Datasheet
185
In Stock
More Info Available
1: $5.63
10: $5.25
25: $4.93
50: $4.45
100: $3.55



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 250 V 50 VDC 1 Pole Pushbutton W58 - 20 C to + 60 C Not Illuminated
Carling Technologies CTB-B-B-15 Carling Technologies Circuit Breakers 15 AMP 50VDC PNL MNT
Page 2,039

Datasheet
462
In Stock
1: $2.18
10: $1.87
25: $1.72
50: $1.45



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 250 V 32 VDC 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-2
 Enlarge
TE Connectivity / P&B Circuit Breakers 2A TOGGLE ACTUATOR
Page 2,040

Datasheet
34
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 VDC 1 Pole Toggle W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W51-A152A1-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A RCKR ACT NON-ILL
Page 2,041

Datasheet
328
In Stock
1: $3.41
10: $3.22
25: $3.02
50: $2.73
100: $2.12



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 125 V 50 VDC 1 Pole Rocker W51 0 C to + 60 C Not Illuminated
Phoenix Contact 0916610
 Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 10A
Page 2,042 95
In Stock
1: $16.74
10: $15.70
25: $14.97
50: $14.44
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 10 A 240 V 28 VDC 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-35
 Enlarge
TE Connectivity / P&B Circuit Breakers 35A PUSH/PULL ACT.
Page 2,040

Datasheet
69
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 35 A 240 V 50 VDC 1 Pole Pushbutton W23 - 20 C to + 60 C Not Illuminated
Qualtek QMB-203-11C3N-3BA
 Enlarge
Qualtek Circuit Breakers 20A FRT PNL PLASTIC .250 QC TAB
Datasheet 717
In Stock
1: $2.05
50: $1.80
100: $1.64
250: $1.56



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 125 V to 250 V 32 VDC 1 Pole Pushbutton QMB Not Illuminated
Phoenix Contact 0712152
 Enlarge
Phoenix Contact Circuit Breakers TCP 0.50 AMPS
Page 2,042 68
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 500 mA 250 V 65 VDC TCP - 20 C to + 60 C Not Illuminated
Phoenix Contact 0916604
 Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 1A
Page 2,042 74
In Stock
1: $16.74
10: $15.70
25: $14.97
50: $14.44
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 1 A 240 V 28 VDC 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
TE Connectivity / P&B W91-X112-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A 1 POLE 1 TOGGLE
Page 2,041

Datasheet
69
In Stock
1: $19.71
10: $16.41
25: $15.72
50: $14.55
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 1 Pole Toggle W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W92-X112-50
 Enlarge
TE Connectivity / P&B Circuit Breakers 50A 2 POLE 2 TOGGLE
Page 2,041

Datasheet
26
In Stock
More Info Available
1: $46.59
10: $41.85
25: $39.26
50: $35.94
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 277 V 2 Pole Toggle W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-2
 Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH/PULL ACT.
Page 2,040

Datasheet
32
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 VDC 1 Pole Pushbutton W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W67-X2Q12-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 1pole 10Amp Toggle Mag circuit breaker
Datasheet 43
In Stock
1: $20.83
5: $19.85
10: $18.02
25: $17.36
50: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 1 Pole Toggle W6 - 40 C to + 85 C Not Illuminated
Carling Technologies N32-B2-44-620-122-D3
 Enlarge
Carling Technologies Circuit Breakers 20A 240VAC 2pl Push to Reset Rcker UL489
Datasheet 10
In Stock
1: $97.57
2: $95.00
5: $92.43
10: $87.30
25: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 20 A 240 VAC - 2 Pole Rocker N series Circuit Breaker - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-3
 Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET ST
Page 2,041

Datasheet
171
In Stock
1: $7.18
10: $6.59
25: $6.03
50: $5.59
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 250 V 50 VDC 1 Pole Pushbutton W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W93-X112-50
 Enlarge
TE Connectivity / P&B Circuit Breakers 50A 3 POLE TOGGLE
Page 2,041

Datasheet
14
In Stock
1: $94.90
10: $88.57
25: $83.03
50: $75.13
100: $68.46



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 277 V 3 Pole Toggle W9 - 40 C to + 85 C Not Illuminated
Schurter 4404.0096
 Enlarge
Schurter Circuit Breakers 1 pole 3A THT Term for PCB mounting
Page 2,043

Datasheet
498
In Stock
More Info Available
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 VDC 1 Pole Pushbutton T9-818 - 5 C to + 60 C Not Illuminated
Carling Technologies N22-B1-24-610-121-C3
 Enlarge
Carling Technologies Circuit Breakers 10A 120/240VAC 2pole Rocker Act UL489
Datasheet 10
In Stock
1: $91.44
2: $89.15
5: $86.87
10: $82.30
25: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 10 A 120 VAC, 240 VAC - 2 Pole Rocker N series Circuit Breaker - 40 C to + 85 C Not Illuminated
Compare up to 20 parts.
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