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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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Carling Technologies CMB-153-11C3N-B-A
 Enlarge
Carling Technologies Circuit Breakers 15 AMP PLASTIC BLK
Page 2,130

Data Sheet
809
In Stock
1: $2.55
10: $2.35
25: $2.20
50: $2.01
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 125 V to 250 V 32 V 1 Pole Pushbutton C - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-16
 Enlarge
TE Connectivity / P&B Circuit Breakers W28-XQ1A-16
Data Sheet 400
In Stock
1: $3.00
25: $2.72
50: $2.46
100: $2.24
200: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 16 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W54-XB1A4A10-25
 Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET
Page 2,131

Data Sheet
379
In Stock
1: $3.10
10: $3.00
25: $2.81
50: $2.58
100: View



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
Schurter 4404.0099
 Enlarge
4404.0099

New Product
New Product


Schurter Circuit Breakers 1 pole 6A THT Term for PCB mounting
Page 2,134

Data Sheet
490
In Stock
1: $3.20
50: $2.94
100: $2.71
500: $2.15
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 6 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-821 - 5 C to + 60 C Not Illuminated
Schurter 4404.0098
 Enlarge
4404.0098

New Product
New Product


Schurter Circuit Breakers 1 pole 5A THT Term for PCB mounting
Page 2,134

Data Sheet
600
In Stock
1: $3.20
50: $2.94
100: $2.71
500: $2.15
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-820 - 5 C to + 60 C Not Illuminated
Schurter 4404.0102
 Enlarge
4404.0102

New Product
New Product


Schurter Circuit Breakers 1 pole 10A THT Term for PCB mounting
Page 2,134

Data Sheet
500
In Stock
1: $3.20
50: $2.94
100: $2.71
500: $2.15
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-824 - 5 C to + 60 C Not Illuminated
TE Connectivity / P&B Circuit Breakers 15A RCKR ACT NON-ILL
Page 2,132

Data Sheet
331
In Stock
1: $3.37
10: $3.14
25: $2.94
50: $2.67
100: $2.07



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
Carling Technologies CMB-033-11C3N-B-A
 Enlarge
Carling Technologies Circuit Breakers 3 AMP PLASTIC BLK
Page 2,130

Data Sheet
459
In Stock
More Info Available
1: $3.44
10: $2.87
25: $2.73
50: $2.62
100: $2.35



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 3 A 125 V to 250 V 32 V 1 Pole Pushbutton C - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W51-A121B1-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A RCKR ACT RED ILL
Page 2,132

Data Sheet
515
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 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C 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
362
In Stock
More Info Available
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
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT NON-ILL
Page 2,132

Data Sheet
486
In Stock
1: $3.52
10: $3.27
25: $3.07
50: $2.79
100: View



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 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
398
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
Schurter 4404.0096
 Enlarge
4404.0096

New Product
New Product


Schurter Circuit Breakers 1 pole 3A THT Term for PCB mounting
Page 2,134

Data Sheet
524
In Stock
1: $3.89
50: $3.57
100: $3.29
500: $2.61
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 3 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-818 - 5 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
259
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
Carling Technologies CLB-053-11B3A-B-A
 Enlarge
Carling Technologies Circuit Breakers 5 AMP METAL BLK
Page 2,130

Data Sheet
300
In Stock
1: $4.16
10: $3.96
25: $3.12
50: $2.94



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 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-25
 Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET
Page 2,132

Data Sheet
263
In Stock
More Info Available
1: $4.93
10: $4.77
25: $4.39
50: $3.65
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET
Page 2,132

Data Sheet
354
In Stock
More Info Available
1: $4.93
10: $4.77
25: $4.39
50: $3.65
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 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
239
In Stock
1: $5.12
10: $4.66
25: $4.27
50: $3.94
100: View



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
TE Connectivity / P&B W58-XC4C12A-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET ST
Page 2,132

Data Sheet
180
In Stock
More Info Available
1: $5.51
10: $5.17
25: $4.74
50: $4.37
100: View



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-XC4C12A-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET ST
Page 2,132

Data Sheet
254
In Stock
1: $5.63
10: $5.25
25: $4.93
50: $4.45
100: $3.55



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-25
 Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET ST
Page 2,132

Data Sheet
281
In Stock
1: $5.92
10: $5.79
25: $5.30
50: $4.79
100: $3.79



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET ST
Page 2,132

Data Sheet
226
In Stock
1: $6.06
10: $5.79
25: $5.30
50: $4.79
100: $3.79



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET ST
Page 2,132

Data Sheet
193
In Stock
1: $6.06
10: $5.79
25: $5.30
50: $4.79
100: $3.79



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-0.75
 Enlarge
TE Connectivity / P&B Circuit Breakers 0.75A PUSH TO RESET
Data Sheet 322
In Stock
1: $6.17
25: $5.40
50: $4.89
100: $3.86
200: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 750 mA 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W58-XB1A4A-2
 Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH TO RESET
Page 2,132

Data Sheet
221
In Stock
More Info Available
1: $6.87
10: $6.25
25: $5.89
50: $5.27
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
Compare up to 20 parts.
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