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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 Circuit Breakers
Data Sheet Non-Stocked Lead-Time 14 Weeks
120: $3.16



Min.: 120
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 6 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 30A BLK
Data Sheet Non-Stocked Lead-Time 12 Weeks
4: $95.28
5: $85.60
10: $78.94
25: $65.72
50: View



Min.: 4
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 4 Poles Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B Circuit Breakers
Data Sheet Non-Stocked
8: $61.49



Min.: 8
Mult.: 8


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V, 480 V 3 Poles Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet Non-Stocked Lead-Time 6 Weeks
36: $17.16
50: $15.83
100: $13.17
200: $12.66
500: $12.36



Min.: 36
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 W92-X1110-30V
Enlarge
TE Connectivity / P&B Circuit Breakers HYD MAG 227VAC 30A
Data Sheet Non-Stocked Lead-Time 12 Weeks
8: $81.17
25: $74.89
50: $71.57
100: $65.78



Min.: 8
Mult.: 1
No

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 Circuit Breakers W67-X2Q52-6 CKTBKR,MAGHYD,LEVE
Data Sheet Non-Stocked
38: $20.72
50: $19.64
100: $18.67



Min.: 38
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 6 A 65 V 1 Pole Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B Circuit Breakers W67-X2Q12-4=CKTBKR MAGHYD LEVE
Non-Stocked
38: $22.35
50: $21.19
100: $20.14



Min.: 38
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 4 A 277 V 1 Pole Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 10A BLK
Data Sheet Non-Stocked
47: $18.26
50: $17.54
100: $17.11



Min.: 47
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 Circuit Breakers CIRCUIT BREAKER THERMAL 5A BLK
Data Sheet Non-Stocked
47: $18.26
50: $17.54
100: $17.11



Min.: 47
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 Circuit Breakers W69-X2S110-30 CKTBKR,MAGHYD,LE
Non-Stocked
13: $69.93
50: $66.29
100: $63.01



Min.: 13
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 3 Poles Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B Circuit Breakers W69-X2T110-30 CKTBKR,MAGHYD,LE
Data Sheet Non-Stocked
13: $69.93
50: $66.29
100: $63.01



Min.: 13
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 3 Poles Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity Circuit Breakers W93-X113-50
Data Sheet Non-Stocked
9: $110.75
10: $88.60
50: $83.99
100: $79.83



Min.: 9
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 3 Poles Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B Circuit Breakers W69-X2T12-40=CKTBKR MAGHYD LEV
Non-Stocked
19: $65.92
50: $62.49
100: $59.40



Min.: 19
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 40 A 277 V 3 Poles Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER
Data Sheet Non-Stocked Lead-Time 12 Weeks
16: $78.94
25: $65.72
50: $63.15
100: $61.64



Min.: 16
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 3 Poles Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet Non-Stocked Lead-Time 14 Weeks
980: $1.67



Min.: 980
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 15 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity Circuit Breakers CKTBKR THERM PB SCW BUSH
Data Sheet Non-Stocked Lead-Time 12 Weeks
69: $24.50
100: $23.64



Min.: 69
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 10 A 240 V 50 V 1 Pole Pushbutton Series trip W23 Not Illuminated
TE Connectivity Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet Non-Stocked Lead-Time 12 Weeks
80: $26.63
100: $26.02



Min.: 80
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 30 A 240 V 50 V 1 Pole Toggle Series trip W31 Not Illuminated
TE Connectivity Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet Non-Stocked Lead-Time 12 Weeks
80: $28.01
100: $27.34



Min.: 80
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 15 A 240 V 50 V 1 Pole Toggle Series trip W31 Not Illuminated
TE Connectivity Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet Non-Stocked Lead-Time 12 Weeks
80: $28.16
100: $27.51



Min.: 80
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 5 A 240 V 50 V 1 Pole Toggle Series trip W31 Not Illuminated
TE Connectivity Circuit Breakers CIRCUIT BREAKER THERMAL 10A
Data Sheet Non-Stocked Lead-Time 12 Weeks
80: $28.43
100: $27.73



Min.: 80
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 10 A 240 V 50 V 1 Pole Toggle Series trip W31 Not Illuminated
TE Connectivity Circuit Breakers W58
Data Sheet Non-Stocked Lead-Time 14 Weeks
810: $3.07



Min.: 810
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 20 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity Circuit Breakers CKTBKR THERM P
Data Sheet Non-Stocked Lead-Time 14 Weeks
2,060: $1.26



Min.: 2,060
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 4 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
Compare up to 20 parts.
7497