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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 Circuit Breakers W23-X1013-15=W23/W31
Data Sheet 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 V 1 Pole Pushbutton Series trip W23 Not Illuminated
Phoenix Contact 0903023
 Enlarge
Phoenix Contact Circuit Breakers EC-E1 1A 1 A, N/O SIGNAL CNT
Page 2,803

Data Sheet
36
In Stock
1: $85.59
10: $78.12
25: $76.07
50: $73.57
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Electronic 1 A 24 V 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

Data Sheet
49
In Stock
1: $77.49
5: $52.24
10: $44.75
25: $41.77



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 600 V 125 V 2 Pole Handle Series Trip (Current) E Series - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W57-XB7A4A10-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,040

Data Sheet
892
In Stock
1: $2.12
10: $1.95
25: $1.85
50: $1.67
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 1 Pole Pushbutton Series trip W57 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XT1A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Data Sheet 210
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 V 1 Pole Pushbutton Series trip W28 Not Illuminated
TE Connectivity / P&B W31-X2M1G-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A TOGGLE ACTUATOR
Page 2,040

Data Sheet
44
In Stock
More Info Available
1: $27.81
10: $25.64
25: $23.79
50: $21.72
100: View



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-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A TOGGLE ACTUATOR
Page 2,040

Data Sheet
48
In Stock
More Info Available
1: $31.44
10: $28.97
25: $26.88
50: $24.54
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 240 V 50 V 1 Pole Toggle Series trip W31 - 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

Data Sheet
16
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 Series trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W57-XB7A4A10-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,040

Data Sheet
571
In Stock
More Info Available
1: $2.41
10: $2.26
25: $2.10
50: $1.91
100: $1.48



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 W58-XC4C12A-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET ST
Page 2,041

Data Sheet
156
In Stock
1: $5.20
10: $4.56
25: $4.28
50: $3.87
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 1 Pole Pushbutton Series trip W58 - 20 C to + 60 C Not Illuminated
Qualtek QMB-203-11C3N-3BA
 Enlarge
Qualtek Circuit Breakers 20A FRT PNL PLASTIC .250 QC TAB
Data Sheet 761
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 V 1 Pole Pushbutton QMB Not Illuminated
Carling Technologies CMB-153-11C3N-B-A
 Enlarge
Carling Technologies Circuit Breakers 15 AMP PLASTIC BLK
Page 2,039

Data Sheet
668
In Stock
1: $2.55
10: $2.35
25: $2.20
50: $2.01
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 125 V to 250 V 32 V 1 Pole Pushbutton CMB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-6
 Enlarge
TE Connectivity / P&B Circuit Breakers 6A PUSH TO RESET QC
Page 2,041

Data Sheet
212
In Stock
1: $5.12
10: $4.66
25: $4.27
50: $3.94
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 6 A 250 V 50 V 1 Pole Pushbutton Series trip W58 - 20 C to + 60 C Not Illuminated
Schneider Electric GV2ME14
 Enlarge
Schneider Electric Circuit Breakers MAN-START 600VAC 10AMP IEC
Data Sheet 7
In Stock
1: $161.83
5: $149.01
10: $146.26
25: $142.18
50: View



Min.: 1
Mult.: 1


Thermal Magnetic Circuit Breakers Thermomagnetic 10 A 690 V 3 Pole Pushbutton Motor Protection - 20 C to + 60 C
TE Connectivity / P&B W67-X2Q12-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A 1 POLE TOGGLE
Page 2,041

Data Sheet
47
In Stock
1: $20.42
10: $18.06
25: $17.37
50: $15.86
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 1 Pole Toggle Series trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W33-T2N1Q-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A 2P White Rocker P1 & P2 Trip QC
Page 2,803

Data Sheet
58
In Stock
More Info Available
1: $25.85
10: $24.58
25: $22.62
50: $20.45
100: $19.40



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W23-X1A1G-35
 Enlarge
TE Connectivity / P&B Circuit Breakers 35A PUSH/PULL ACT.
Page 2,040

Data Sheet
64
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 V 1 Pole Pushbutton Series trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W92-X112-25
 Enlarge
TE Connectivity / P&B Circuit Breakers 25AMP 277VAC TOGGLE 2 POLE
Data Sheet 28
In Stock
1: $73.53
5: $66.84
10: $60.78
25: $54.69



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 25 A 277 V 2 Pole Toggle Series trip 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

Data Sheet
29
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 Series trip W9 - 40 C to + 85 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

Data Sheet
432
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 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
TE Connectivity / P&B W51-A121B1-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL
Page 2,041

Data Sheet
345
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 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
Phoenix Contact 0916612
 Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 15A
Page 2,042

Data Sheet
74
In Stock
1: $14.77
10: $13.85
25: $13.21
50: $12.74
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
TE Connectivity / P&B W68-X2Q12-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A 2 POLE 2 TOGGLE
Page 2,041

Data Sheet
35
In Stock
1: $50.50
10: $47.12
25: $44.19
50: $39.97
100: $35.40



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 2 Pole Toggle Series trip W6 - 40 C to + 85 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

Data Sheet
440
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 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Not Illuminated
Phoenix Contact 0712152
 Enlarge
Phoenix Contact Circuit Breakers TCP 0.50 AMPS
Page 2,042

Data Sheet
95
In Stock
1: $15.29
10: $13.96
25: $13.59
50: $13.14
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 500 mA 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Compare up to 20 parts.
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