Contact Mouser (USA)  (800) 346-6873     |     Feedback        
View Cart     |     Change Location  USD
United States United States

Please confirm your currency selection:

US Dollars

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 7,508 Matches  

Manufacturer
 
Reset
 
Product
Reset
 
Product Type
Reset
 
Current Rating
Reset
 
Voltage Rating AC
Reset
 
Voltage Rating DC
Reset
 
Number of Poles
Reset
 
Actuator Type
Reset
 
Circuit Function
Reset
 
Series
Reset
 
Operating Temperature Range
Reset
 
Illuminated
Reset
 

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
Sort by Mouser Part # AscendingSort by Mouser Part # DescendingSort by Mfr. Part # AscendingSort by Mfr. Part # DescendingSort by Mfr. AscendingSort by Mfr. DescendingSort by Availability AscendingSort by Pricing AscendingSort by Pricing DescendingSort by Product AscendingSort by Product DescendingSort by Product Type AscendingSort by Product Type DescendingSort by Current Rating AscendingSort by Current Rating DescendingSort by Voltage Rating AC AscendingSort by Voltage Rating AC DescendingSort by Voltage Rating DC AscendingSort by Voltage Rating DC DescendingSort by Number of Poles AscendingSort by Number of Poles DescendingSort by Actuator Type AscendingSort by Actuator Type DescendingSort by Circuit Function AscendingSort by Circuit Function DescendingSort by Series AscendingSort by Series DescendingSort by Operating Temperature Range AscendingSort by Operating Temperature Range DescendingSort by Illuminated AscendingSort by Illuminated Descending
TE Connectivity / P&B W51-A161A1-15
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED
Data Sheet 298
In Stock
More Info Available
1: $3.46
10: $3.22
25: $3.02
50: $2.73
100: $2.15



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 15 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W51-A122B1-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL
Page 2,132

Data Sheet
102
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 250 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 2,132

Data Sheet
179
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
Schurter TS-701-HT-25P
Enlarge
Schurter Circuit Breakers 25A Thermal Reset 1-pole w/ nut
Data Sheet 199
In Stock
1: $3.54
10: $3.14
25: $2.82
50: $2.67
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 25 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B 1-1423673-6
Enlarge
TE Connectivity / P&B Circuit Breakers W51-A151A1-7=CKTBKRK THERM ROCK
Data Sheet 202
In Stock
1: $3.72
10: $2.97
50: $2.81
100: $2.67
250: $2.33



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 7 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Not Illuminated
TE Connectivity / P&B Circuit Breakers W57-XA8A4A10-5 CKTBKR THERM PB
Data Sheet 191
In Stock
1: $3.73
10: $2.98
50: $2.83
100: $2.69
250: $2.35



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 W51-A122B1-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A RCKR ACT RED ILL
Page 2,132

Data Sheet
100
In Stock
1: $3.77
10: $3.51
25: $3.28
50: $2.97
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
TE Connectivity / P&B 1-1423673-7
Enlarge
TE Connectivity / P&B Circuit Breakers W51-A151A1-10=CKTBKR THERM ROCK
Data Sheet 185
In Stock
1: $3.79
10: $3.02
50: $2.87
100: $2.41
250: $2.38



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 Not Illuminated
TE Connectivity / P&B 1-1423673-8
Enlarge
TE Connectivity / P&B Circuit Breakers W51-A151A1-15=CKTBKR THERM ROCK
Data Sheet 198
In Stock
1: $3.79
10: $3.02
50: $2.87
100: $2.72
250: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 15 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Not Illuminated
TE Connectivity / P&B 5-1423675-8
Enlarge
TE Connectivity / P&B Circuit Breakers W57-XA7A15A10-20 CKTBKR THERM
Data Sheet 156
In Stock
1: $3.93
10: $3.14
50: $2.97
100: $2.83
250: $2.47



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
Schurter Circuit Breakers TS CIRCUIT BREAKER
Data Sheet 85
In Stock
1: $3.93



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 40 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C Not Illuminated
Carling Technologies CLB-033-11B3A-B-A
Enlarge
Carling Technologies Circuit Breakers 3 AMP METAL BLK
Page 2,130

Data Sheet
64
In Stock
1: $3.94
10: $3.36
25: $3.05
50: $2.96
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 3 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Carling Technologies CLB-353-11B3A-B-A
Enlarge
Carling Technologies Circuit Breakers 35 AMP METAL BLK
Page 2,130

Data Sheet
268
In Stock
1: $3.96
10: $3.27
25: $3.20
50: $2.97
100: $2.60



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 35 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Carling Technologies CLB-403-11B3A-B-A
Enlarge
Carling Technologies Circuit Breakers 40 AMP METAL BLK
Page 2,130

Data Sheet
99
In Stock
More Info Available
1: $4.01
10: $3.30
25: $3.23
50: $3.00



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 40 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
Schurter TS-701-HT-5
Enlarge
Schurter Circuit Breakers 5A Thermal Reset 1-pole threaded neck
Page 2,941

Data Sheet
73
In Stock
1: $4.12
10: $3.67
25: $3.30
50: $3.12
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C Not Illuminated
Schurter TS-701-HT-3
Enlarge
Schurter Circuit Breakers TS CIRCUIT BREAKER
Data Sheet 77
In Stock
1: $4.54
10: $4.13
25: $3.80
50: $3.50
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 3 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W54-XB1A4A10-35
Enlarge
TE Connectivity / P&B Circuit Breakers 35 Amps 1Pole Therm Circuit Brker
Data Sheet 99
In Stock
1: $4.55
25: $3.98
50: $3.59
100: $2.84
200: $2.55



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 35 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
Schurter TS-701-HT-5H
Enlarge
Schurter Circuit Breakers 5A Thermal Reset 1-pole thread w/ nut
Data Sheet 60
In Stock
1: $4.63
10: $4.13
25: $3.71
50: $3.51
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 125 V, 250 V 50 V 1 Pole Pushbutton TS-LINE - 10 C to + 60 C Not Illuminated
TE Connectivity Circuit Breakers W54-XA1C99C10-40 CKTBKR THERM
Data Sheet 61
In Stock
1: $4.79
10: $3.83
50: $3.63
100: $3.45



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 40 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
TE Connectivity / P&B 9-1423674-4
Enlarge
TE Connectivity / P&B Circuit Breakers W54-XA4A18A10-25 CKTBKR THERM
Data Sheet 52
In Stock
1: $4.88
10: $4.00
50: $3.79
100: $3.05
250: $2.74



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 25 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
Carling Technologies CLB-253-00DNN-W-F/25
Enlarge
Carling Technologies Circuit Breakers THERMAL BREAKER
Data Sheet 96
In Stock
1: $4.93
10: $4.44
25: $3.95
50: $3.56
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 25 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 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 2,132

Data Sheet
151
In Stock
1: $5.03
10: $4.69
25: $4.40
50: $3.98
100: $3.14



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
Carling Technologies CLB-303-11A3N-BA
Enlarge
Carling Technologies Circuit Breakers 30A METAL BLACK
Data Sheet 62
In Stock
1: $5.15
50: $4.66
100: $4.17
500: $3.73
1,250: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 30 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,132

Data Sheet
197
In Stock
More Info Available
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
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 / P&B W58-XB1A4A-12
Enlarge
TE Connectivity / P&B Circuit Breakers 12A PUSH TO RESET QC
Page 2,132

Data Sheet
181
In Stock
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 12 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
Compare up to 20 parts.
7508