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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 7,499 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 / P&B W28-XQ1A-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,131

Data Sheet
8,181
In Stock
1: $3.04
10: $2.65
25: $2.48
50: $2.32
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 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
5,317
In Stock
1: $3.01
10: $2.85
25: $2.57
50: $2.28
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
TE Connectivity / P&B W28-XQ1A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,131

Data Sheet
5,806
In Stock
1: $3.01
10: $2.80
25: $2.63
50: $2.34
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,131

Data Sheet
6,136
In Stock
1: $3.01
10: $2.85
25: $2.57
50: $2.28
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-7
 Enlarge
TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET
Page 2,131

Data Sheet
4,490
In Stock
1: $3.01
10: $2.63
25: $2.39
50: $2.24
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 7 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 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
3,964
In Stock
1: $3.12
10: $2.60
25: $2.45
50: $2.21
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 W58-XB1A4A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,132

Data Sheet
2,561
In Stock
1: $4.78
10: $4.25
25: $3.87
50: $3.59
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
Schurter 4430.1201
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 5.0A
Page 2,134

Data Sheet
564
In Stock
1: $18.26
10: $16.23
25: $14.61
50: $13.80



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 240 V 60 V 2 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
TE Connectivity / P&B W57-XB7A4A10-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,131

Data Sheet
2,521
In Stock
1: $2.16
10: $1.98
25: $1.79
50: $1.61
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 1 Pole Pushbutton Series Trip W57 0 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
932
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 W57-XB1A7A10-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,131

Data Sheet
2,118
In Stock
1: $2.87
10: $2.67
25: $2.50
50: $2.28
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-3
 Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET
Page 2,131

Data Sheet
1,043
In Stock
More Info Available
1: $2.98
10: $2.57
25: $2.40
50: $2.28
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-6
 Enlarge
TE Connectivity / P&B Circuit Breakers 6A PUSH TO RESET
Page 2,131

Data Sheet
1,483
In Stock
1: $3.01
10: $2.63
25: $2.39
50: $2.24
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 6 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-8
 Enlarge
TE Connectivity / P&B Circuit Breakers 8A PUSH TO RESET
Page 2,131

Data Sheet
2,671
In Stock
1: $3.01
10: $2.63
25: $2.39
50: $2.24
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 8 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-12
 Enlarge
TE Connectivity / P&B Circuit Breakers 12A PUSH TO RESET
Page 2,131

Data Sheet
1,806
In Stock
1: $3.01
10: $2.81
25: $2.63
50: $2.38
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 12 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 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
819
In Stock
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-A121B1-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL
Page 2,132

Data Sheet
616
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
TE Connectivity / P&B W58-XB1A4A-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,132

Data Sheet
1,037
In Stock
More Info Available
1: $4.78
10: $4.25
25: $3.87
50: $3.59
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-XB1A4A-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,132

Data Sheet
810
In Stock
1: $4.78
10: $4.25
25: $3.87
50: $3.59
100: View



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

Data Sheet
869
In Stock
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
714
In Stock
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-8
 Enlarge
TE Connectivity / P&B Circuit Breakers 8A PUSH TO RESET QC
Page 2,132

Data Sheet
718
In Stock
1: $5.03
10: $3.97
25: $3.76
50: $3.42
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 8 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
380
In Stock
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 W28-XQ1A-1
 Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH TO RESET
Page 2,131

Data Sheet
1,305
In Stock
More Info Available
1: $5.56
10: $5.19
25: $4.82
50: $4.38
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-0.25
 Enlarge
TE Connectivity / P&B Circuit Breakers 0.25A PUSH TO RESET
Page 2,131

Data Sheet
659
In Stock
1: $5.65
10: $5.26
25: $4.94
50: $4.47
100: $3.53



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 250 mA 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
Compare up to 20 parts.
7499
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