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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 7,497 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 W33-T4B1Q-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A 2-P Illum Amber P1 & P2 Trip QC
Page 2,941

Data Sheet
40
In Stock
1: $28.94
10: $27.00
25: $25.31
50: $22.86
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Illuminated
TE Connectivity / P&B W31-X2M1G-35
Enlarge
TE Connectivity / P&B Circuit Breakers 35A TOGGLE ACTUATOR
Page 2,131

Data Sheet
40
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 35 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-7.50
Enlarge
TE Connectivity / P&B Circuit Breakers 7.5A TOGGLE ACTUATOR
Page 2,131

Data Sheet
58
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 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
53
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
49
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-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A TOGGLE ACTUATOR
Page 2,131

Data Sheet
32
In Stock
1: $30.71
10: $28.65
25: $26.87
50: $24.30
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 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 2,131

Data Sheet
58
In Stock
1: $32.73
10: $30.54
25: $28.63
50: $25.90



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 3-1393248-3
Enlarge
TE Connectivity / P&B Circuit Breakers W33-T1N1Q-15=W33
Data Sheet 60
In Stock
1: $33.96
10: $27.17
50: $25.75
100: $24.48



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W31-X2M1G-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A TOGGLE ACTUATOR
Page 2,131

Data Sheet
40
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 V 1 Pole Toggle Series Trip W31 - 20 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 2,132

Data Sheet
21
In Stock
1: $49.28
10: $45.98
25: $43.12
50: $39.01
100: $34.55



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 2 Poles Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W92-X112-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A 2 POLE 2 TOGGLE
Page 2,132

Data Sheet
24
In Stock
1: $50.29
10: $45.11
25: $44.00
50: $39.80
100: $34.07



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 2 Poles Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W92-X112-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A 2 POLE 2 TOGGLE
Page 2,132

Data Sheet
20
In Stock
1: $50.29
10: $45.11
25: $44.00
50: $39.80
100: $39.54



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 1 A 277 V 2 Poles Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W93-X112-40
Enlarge
TE Connectivity / P&B Circuit Breakers 40A 3 POLE TOGGLE
Data Sheet 11
In Stock
1: $80.05
25: $69.05
50: $63.96
100: $62.39



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 40 A 277 V 3 Poles Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W93-X112-50
Enlarge
TE Connectivity / P&B Circuit Breakers 50A 3 POLE TOGGLE
Page 2,132

Data Sheet
14
In Stock
1: $92.59
10: $86.42
25: $81.01
50: $73.30
100: $66.80



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 277 V 3 Poles Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity Circuit Breakers 16A Push to Reset 6.35 Strt Quick Conn
Data Sheet 200
In Stock
100: $3.10



Min.: 100
Mult.: 100
Thermal Circuit Breakers Supplementary Protector 16 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
Littelfuse 0812005.ZXST
Enlarge
Littelfuse Circuit Breakers 5A STUD TYPE CIRCUIT BREAKER
Data Sheet 85
In Stock
1: $20.44
10: $17.29
25: $15.72
50: $14.94
100: View



Min.: 1
Mult.: 1
No

Aftermarket Circuit Breakers Stud Type 5 A 12 V 1 Pole Self-Reset 81xxxxST Not Illuminated
Schneider Electric GV2ME14
Enlarge
GV2ME14

New At Mouser
New At Mouser


Schneider Electric Circuit Breakers MAN-START 600VAC 10AMP IEC
Data Sheet 7
In Stock
1: $158.76
5: $146.19
10: $143.49
25: $139.49
50: View



Min.: 1
Mult.: 1


Thermal Magnetic Circuit Breakers Thermomagnetic 10 A 690 V 3 Poles Pushbutton Motor Protection - 20 C to + 60 C
Schneider Electric GV2ME10
Enlarge
GV2ME10

New At Mouser
New At Mouser


Schneider Electric Circuit Breakers MAN-START 600VAC 6.3AMP IEC
Data Sheet 7
In Stock
1: $158.76
5: $146.19
10: $143.49
25: $139.49
50: View



Min.: 1
Mult.: 1


Thermal Magnetic Circuit Breakers Thermomagnetic 6.3 A 690 V 3 Poles Pushbutton Motor Protection - 20 C to + 60 C
TE Connectivity / P&B W51-A122B1-8
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocker
Data Sheet 390
In Stock
1: $3.91
25: $3.41
50: $3.09
100: $2.44
200: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 8 A 250 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
TE Connectivity / P&B W33-S1N1Q-10
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SW 10A BLK
Data Sheet 52
In Stock
1: $18.22
25: $15.94
50: $14.41
100: $12.35



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W67-X2Q110-20
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 20A WH
Data Sheet 48
In Stock
1: $21.26
5: $20.03
10: $18.47
25: $15.38
50: View



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 1 Pole Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W33-S4B1Q-5
Enlarge
TE Connectivity / P&B Circuit Breakers 2poles 5Amps Rocker Therm Circuit Brker
Data Sheet 80
In Stock
1: $22.52
5: $21.69
10: $20.60
25: $19.70
50: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Illuminated
TE Connectivity / P&B W33-T2N1Q-5
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet 42
In Stock
1: $27.00
5: $24.24
10: $22.37
25: $18.62
50: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W33-T2N1Q-10
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet 60
In Stock
1: $27.00
5: $24.24
10: $22.37
25: $18.62
50: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W33-T4B1Q-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A 2-P Illum Amber P1 & P2 Trip QC
Page 2,941

Data Sheet
60
In Stock
1: $28.94
10: $27.00
25: $25.31
50: $22.91
100: View



Min.: 1
Mult.: 1
No

Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Illuminated
Compare up to 20 parts.
7497