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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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Schurter 4420.0166 Schurter Circuit Breakers CBE AS168X-CB1G270
Data Sheet Non-Stocked Lead-Time 6 Weeks
10: $25.06



Min.: 10
Mult.: 10
Thermal Magnetic Circuit Breakers Circuit Breakers 27 A 1 Pole Handle Supplementary Protectors AS168XAC1 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W57-XB7A4A10-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,131

Data Sheet
930
In Stock
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 W28-XT1A-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO REST
Data Sheet 114
In Stock
1: $3.28
25: $2.87
50: $2.59
100: $2.05
200: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 32 V 1 Pole Pushbutton Series trip W28 Not Illuminated
Altech 1DU30L Altech Circuit Breakers 30A One Pole "D"
Page 2,128

Data Sheet
5
In Stock
1: $23.08
10: $21.44
50: $20.20
100: $15.29
250: View



Min.: 1
Mult.: 1
Circuit Protection Devices D-Trip 30 A 277 VAC 1 Pole Handle Supplementary Protectors L - 25 C to + 60 C Not Illuminated
TE Connectivity / P&B W51-A122B1-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A RCKR ACT RED ILL
Page 2,132

Data Sheet
751
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 250 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
Littelfuse Circuit Breakers Rem Ind & Reset Assy
Non-Stocked
1: $117.80
5: $111.59
10: $99.20
100: $92.99



Min.: 1
Mult.: 1
No

Carling Technologies Circuit Breakers
Data Sheet N/A


Littelfuse Circuit Breakers "SENSING RESISTOR SYSTEMS UP TO 5 Kv"
Data Sheet Non-Stocked
1: $1,606.48
10: View



Min.: 1
Mult.: 1


Altech Circuit Breakers CIRCUIT BREAKER 2POL 5A 250VDC UL489
Data Sheet 18
In Stock
1: $43.33
10: $36.11
50: $33.12
100: $32.50
250: $31.71



Min.: 1
Mult.: 1
Circuit Protection Devices C-Trip and D-Trip 5 A 277 VAC 1 Pole Handle Supplementary Protectors L - 25 C to + 60 C Not Illuminated
Carling Technologies MA2-A-03-615-1-A24-2-B
 Enlarge
Carling Technologies Circuit Breakers Mag Circuit Breaker
Data Sheet Non-Stocked
1: $41.23
10: $37.48
25: $34.36
50: $31.71



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 15 A 125 V, 250 V 80 V 2 Pole Rocker Switch Only M Series - 40 C to + 85 C Not Illuminated
Schurter Circuit Breakers CBE TA45-A144H100C0
Data Sheet Non-Stocked Lead-Time 10 Weeks
20: $22.57



Min.: 20
Mult.: 20


TA45
Bussmann / Eaton Circuit Breakers Comb Box 600Vdc 20 Ckt NEMA 4X Fib
Data Sheet Non-Stocked
1: $1,368.00
5: $1,322.39



Min.: 1
Mult.: 1
No

Panel Boards Standard Combiner Box 8 A 600 V 20 Pole BCBS - 40 C to + 50 C Not Illuminated
Bussmann / Eaton Circuit Breakers COMP CIRC PROTECTOR 3POLE,30A CF
Data Sheet Non-Stocked
2: $172.43
10: $134.07
100: $107.27
250: View



Min.: 2
Mult.: 2
No

Compact Circuit Protectors Compact Circuit Protector 30 A 600 V 3 Pole CCP-CF - 20 C to + 75 C Not Illuminated
1DR075

Obsolete
Obsolete


Altech Circuit Breakers .75A MCB DCHAR 1pl 277VAC UL508
Data Sheet Not Available
Circuit Protection Devices D-Trip 750 mA 277 V 1 Pole Handle ON/OFF 1D 0 C to + 40 C Not Illuminated
2GU60

Obsolete
Obsolete


Altech Circuit Breakers 60A G Characteristic UL 508 2 POLE
Data Sheet

Product Info.
Not Available
Circuit Protection Devices G-Trip 60 A 277 V 2 Pole Handle Supplementary Protectors 2GU 0 C to + 40 C Not Illuminated
TE Connectivity / P&B Circuit Breakers W31-X1005-5=W23/W31
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 5 A 240 V 50 V 1 Pole Toggle Series trip W31 Not Illuminated
Carling Technologies Circuit Breakers
Data Sheet N/A


Carling Technologies CA1-B0-34-615-121-D
 Enlarge
Carling Technologies Circuit Breakers 15 A ONE POLE
Page 2,129

Data Sheet
6
In Stock
1: $30.28
10: $21.45
25: $19.81
50: $16.70
100: $15.85



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 80 V 1 Pole Handle Series Trip (Current) C - 55 C to + 85 C Not Illuminated
Carling Technologies CLB-103-11B3A-B-A
 Enlarge
Carling Technologies Circuit Breakers 10 AMP METAL BLK
Page 2,130

Data Sheet
173
In Stock
1: $2.54
10: $2.10
25: $2.00
50: $1.92
100: $1.77



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 10 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Carling Technologies Circuit Breakers
Data Sheet N/A


TE Connectivity / P&B 3-1393253-7
 Enlarge
3-1393253-7

End of Life
End of Life


TE Connectivity / P&B Circuit Breakers W68-X2Q12-30 M6/M7/M9/W6/W7
Data Sheet 12
Stock Available
More Info Available
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 2 Pole Toggle Series trip W6 - 40 C to + 85 C Not Illuminated
Schurter Circuit Breakers CBE TA45-ABTWK200C0
Data Sheet 13
In Stock
1: $17.28



Min.: 1
Mult.: 1


TA45
TE Connectivity / P&B 1-1423673-1
 Enlarge
TE Connectivity / P&B Circuit Breakers W51-A122B1-8=CKTBKRK THERM ROCK
Data Sheet N/A
Thermal Circuit Breakers Supplementary Protector 8 A 250 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
Carling Technologies Circuit Breakers
Data Sheet N/A


1393251-6

Obsolete
Obsolete


TE Connectivity Circuit Breakers W28-X1057-0.50=W28
Data Sheet Not Available
Thermal Circuit Breakers Supplementary Protector 500 mA 250 V 32 V 1 Pole Pushbutton Series trip W28 Not Illuminated
Compare up to 20 parts.
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