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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 7,500 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 4404.0103
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4404.0103

New Product
New Product


Schurter Circuit Breakers 1 pole 12A THT Term for PCB mounting
Page 2,134

Data Sheet
498
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 12 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-825 - 5 C to + 60 C Not Illuminated
Schurter 4404.0099
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4404.0099

New Product
New Product


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

Data Sheet
497
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
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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 4404.0105
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4404.0105

New Product
New Product


Schurter Circuit Breakers 1 pole 15A THT Term for PCB mounting
Page 2,134

Data Sheet
730
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 15 A 240 V 32 V 1 Pole Pushbutton Trip Free T9-827 - 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
498
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
Schurter 4404.0101
Enlarge
4404.0101

New Product
New Product


Schurter Circuit Breakers 1 pole 8A THT Term for PCB mounting
Page 2,134

Data Sheet
599
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 8 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-823 - 5 C to + 60 C Not Illuminated
Schurter 4404.0096
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4404.0096

New Product
New Product


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

Data Sheet
595
In Stock
1: $4.80
50: $4.40
100: $4.06
500: $3.22
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
Schurter 4404.0097
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4404.0097

New Product
New Product


Schurter Circuit Breakers 1 pole 4A THT Term for PCB mounting
Page 2,134

Data Sheet
298
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 4 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-819 - 5 C to + 50 C Not Illuminated
Schurter 4404.0104
Enlarge
4404.0104

New Product
New Product


Schurter Circuit Breakers 1 pole 14A THT Term for PCB mounting
Page 2,134

Data Sheet
300
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 14 A 240 V 32 V 1 Pole Pushbutton Trip Free T9-826 - 5 C to + 60 C Not Illuminated
Schurter 4430.2078
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Schurter Circuit Breakers TA45 BLK ROCKER 10A
Page 2,134

Data Sheet
455
In Stock
1: $17.84
10: $15.86
25: $15.23
50: $14.47



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter 4404.0024
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Schurter Circuit Breakers 16A 0.25" QC Threaded neck
Page 2,940

Data Sheet
1,290
In Stock
1: $1.67
10: $1.59
25: $1.48
50: $1.39
100: $1.29



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 16 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Schurter 4404.0005
Enlarge
Schurter Circuit Breakers 12A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,940

Data Sheet
1,958
In Stock
1: $1.96
10: $1.86
25: $1.74
50: $1.63
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 12 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Carling Technologies CTB-B-B-15
Enlarge
Carling Technologies Circuit Breakers 15 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
1,149
In Stock
1: $2.18
10: $1.87
25: $1.72
50: $1.45



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-4
Enlarge
TE Connectivity / P&B Circuit Breakers 4A PUSH TO RESET
Page 2,131

Data Sheet
2,100
In Stock
1: $3.12
10: $2.91
25: $2.73
50: $2.46
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 4 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,131

Data Sheet
1,105
In Stock
More Info Available
1: $3.14
10: $2.93
25: $2.87
50: $2.58
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 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
717
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-A152A1-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A RCKR ACT NON-ILL
Page 2,132

Data Sheet
794
In Stock
More Info Available
1: $3.46
10: $3.22
25: $3.02
50: $2.73
100: $2.12



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 W51-A121B1-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A RCKR ACT RED ILL
Page 2,132

Data Sheet
920
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
1,047
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
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT NON-ILL
Page 2,132

Data Sheet
779
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-A121B1-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A RCKR ACT RED ILL
Page 2,132

Data Sheet
1,004
In Stock
More Info Available
1: $3.54
10: $3.31
25: $3.09
50: $2.80
100: $2.21



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
TE Connectivity / P&B W54-XB1A4A10-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET
Page 2,131

Data Sheet
923
In Stock
1: $3.64
10: $3.32
25: $3.18
50: $2.87
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,132

Data Sheet
1,828
In Stock
More Info Available
1: $4.78
10: $4.45
25: $3.67
50: $3.27
100: View



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 W58-XB1A4A-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET
Page 2,132

Data Sheet
561
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 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-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,132

Data Sheet
407
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
Compare up to 20 parts.
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