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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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TE Connectivity / P&B W28-XQ1A-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,040

Data Sheet
8,099
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-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,040

Data Sheet
11,465
In Stock
More Info Available
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-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,040

Data Sheet
5,216
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-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,040

Data Sheet
5,864
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 W58-XB1A4A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,041

Data Sheet
2,465
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
TE Connectivity / P&B W23-X1A1G-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH/PULL ACT.
Page 2,040

Data Sheet
424
In Stock
1: $22.86
10: $21.60
25: $19.57
50: $17.87
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 240 V 50 V 1 Pole Pushbutton Series trip W23 - 20 C to + 60 C Not Illuminated
Schurter 4430.1201
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 5.0A
Page 2,043

Data Sheet
456
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-XB7A4A10-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,040

Data Sheet
1,510
In Stock
1: $2.12
10: $1.95
25: $1.85
50: $1.67
100: View



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 W57-XB7A4A10-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,040

Data Sheet
2,415
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 2,040

Data Sheet
925
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 2,040

Data Sheet
2,017
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 2,040

Data Sheet
2,014
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-8
 Enlarge
TE Connectivity / P&B Circuit Breakers 8A PUSH TO RESET
Page 2,040

Data Sheet
2,527
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 2,040

Data Sheet
1,452
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 W28-XQ1A-4
 Enlarge
TE Connectivity / P&B Circuit Breakers 4A PUSH TO RESET
Page 2,040

Data Sheet
2,652
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 W51-A122B1-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A RCKR ACT RED ILL
Page 2,041

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
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT NON-ILL
Page 2,041

Data Sheet
786
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 W58-XB1A4A-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,041

Data Sheet
1,699
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 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 2,041

Data Sheet
696
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-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET
Page 2,041

Data Sheet
657
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-25
 Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET
Page 2,041

Data Sheet
784
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-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,041

Data Sheet
1,470
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 10 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 2,041

Data Sheet
634
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 2,041

Data Sheet
367
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 2,040

Data Sheet
1,271
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
Compare up to 20 parts.
7497
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