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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 10,782 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 W31-X1005-10=W23/W31
Data Sheet Non-Stocked Lead-Time 12 Weeks
100: $36.60



Min.: 100
Mult.: 100
Thermal Circuit Breakers Supplementary Protector 10 A 240 V 50 V 1 Pole Toggle Series trip W31 Not Illuminated
TE Connectivity / P&B 4-1393247-0
 Enlarge
TE Connectivity / P&B Circuit Breakers W31-X2M1G-4=W23/W31
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 4 A 240 V 50 V 1 Pole Toggle Series trip W31 Not Illuminated
TE Connectivity / P&B 3-1393248-4
 Enlarge
TE Connectivity / P&B Circuit Breakers W33-T1N1Q-5=W33
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 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: $34.81
10: $27.85
50: $26.40
100: $25.09



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B 7-1393250-3
 Enlarge
TE Connectivity / P&B Circuit Breakers W28-XT1A-8=W28
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 8 A 250 V 32 V 1 Pole Pushbutton Series trip W28 Not Illuminated
TE Connectivity / P&B Circuit Breakers W58-XB1A4A-1.50=W58
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 1.5 A 250 V 50 V 1 Pole Pushbutton Series trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B 4-1393249-8
 Enlarge
TE Connectivity / P&B Circuit Breakers W58-XC4C12A-4=W58
Data Sheet N/A


Thermal Circuit Breakers Supplementary Protector 4 A 250 V 50 V 1 Pole Pushbutton Series trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity Circuit Breakers W23-X1007-10=W23/W31
Data Sheet Non-Stocked Lead-Time 12 Weeks
1: $39.00
10: $31.18
50: $29.56
100: $28.11



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 240 V 50 V 1 Pole Pushbutton Series trip W23 Not Illuminated
TE Connectivity / P&B 1-1393253-9
 Enlarge
TE Connectivity / P&B Circuit Breakers W68-X2Q110-15 M6/M7/M9/W6/W7
Data Sheet N/A
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller Series trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B 5-1393250-5
 Enlarge
TE Connectivity / P&B Circuit Breakers W28-XTBA-3=W28
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 4 A 250 V 32 V 1 Pole Pushbutton Series trip W28 Not Illuminated
TE Connectivity / P&B W68-X2Q12-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A 2 POLE 2 TOGGLE
Page 2,132

Data Sheet
28
In Stock
More Info Available
1: $50.50
10: $47.13
25: $44.19
50: $39.97
100: $35.41



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 2 Pole Toggle Series trip W6 - 40 C to + 85 C Not Illuminated
Carling Technologies AA2-B0-24-630-1B2-C Carling Technologies Circuit Breakers 30 Amp 2 POLE
Data Sheet 1
In Stock
1: $63.05
10: $41.88
25: $38.39
50: $33.72



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 80 V 2 Pole Handle Series Trip (Current) A Series - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B 2-1393249-4
 Enlarge
2-1393249-4

Obsolete
Obsolete


TE Connectivity / P&B Circuit Breakers W58-XB1A4B-20=W58
Data Sheet Not Available
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 / P&B Circuit Breakers W28-XQ31C-15=W28
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 32 V 1 Pole Pushbutton Series trip W28 Not Illuminated
TE Connectivity / P&B 5-1393250-6
 Enlarge
TE Connectivity / P&B Circuit Breakers W28-XTBA-4=W28
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 32 V 1 Pole Pushbutton Series trip W28 Not Illuminated
TE Connectivity / P&B 2-1393255-3
 Enlarge
TE Connectivity / P&B Circuit Breakers W94-X113-30 M6/M7/M9/W6/W7
Data Sheet N/A
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 4 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
Carling Technologies C11-B0-34-610-131-E
 Enlarge
Carling Technologies Circuit Breakers 10A ONE POLE FLAT ROCKER RED
Data Sheet Non-Stocked
1: $30.08
25: $29.08
50: $26.44
100: $25.78
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 1 Pole Rocker Series Trip (Current) C - 55 C to + 85 C Not Illuminated
Altech Circuit Breakers 32A RITONMCB CCHAR 277VAC UL508
Data Sheet Non-Stocked
1: $61.85
10: $51.54
50: $47.27
100: $46.38
250: $45.25



Min.: 1
Mult.: 1
Circuit Protection Devices G-Trip 32 A 277 V 3 Pole Handle ON/OFF 3G 0 C to + 40 C Not Illuminated
TE Connectivity / P&B 1-1393250-7
 Enlarge
TE Connectivity / P&B Circuit Breakers W28-XQAT-15=W28
Data Sheet 33
In Stock
1: $3.17
10: $2.54
50: $2.41
100: $2.28
250: $2.01



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 Circuit Breakers W33-S2N1Q-5=W33
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B 1-1393254-7
 Enlarge
TE Connectivity / P&B Circuit Breakers W91-X1110-15=M6/M7/M9/W6/W7
Data Sheet N/A


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 1 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B 4-1393250-8
 Enlarge
TE Connectivity / P&B Circuit Breakers W28-XQ1B-8=W28
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 8 A 250 V 32 V 1 Pole Pushbutton Series trip W28 Not Illuminated
Carling Technologies AF1-B0-34-630-1G1-C Carling Technologies Circuit Breakers 30 A ONE POLE
Data Sheet Non-Stocked
10: $21.26
30: $19.63
50: $17.51



Min.: 10
Mult.: 10
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 80 V 1 Pole Rocker Series Trip (Current) A - 40 C to + 85 C Not Illuminated
Carling Technologies Circuit Breakers
Data Sheet N/A


Altech Circuit Breakers 63A 30mA 230/400V 4P ELCB Only AC
Non-Stocked
1: $133.27
10: $110.17
50: $103.28
100: $100.76



Min.: 1
Mult.: 1
Circuit Breakers 63 A 18 Not Illuminated
Compare up to 20 parts.
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