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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-3
 Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET
Page 2,131

Data Sheet
5,101
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-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,131

Data Sheet
4,034
In Stock
More Info Available
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 2,131

Data Sheet
6,517
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-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,131

Data Sheet
6,532
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-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,131

Data Sheet
3,823
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-4
 Enlarge
TE Connectivity / P&B Circuit Breakers 4A PUSH TO RESET
Page 2,131

Data Sheet
4,427
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 W28-XQ1A-2
 Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH TO RESET
Page 2,131

Data Sheet
2,053
In Stock
1: $5.80
10: $5.49
25: $5.03
50: $4.61
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712217
 Enlarge
Phoenix Contact Circuit Breakers TCP 2 AMPS
Page 2,133

Data Sheet
608
In Stock
1: $15.29
10: $13.96
25: $13.59
50: $13.14
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 2 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Schurter 4430.2078
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 10A
Page 2,134

Data Sheet
550
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 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter 4430.1201
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 5.0A
Page 2,134

Data Sheet
461
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
Schurter 4404.0004
 Enlarge
Schurter Circuit Breakers 10A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,940

Data Sheet
1,137
In Stock
1: $1.87
10: $1.78
25: $1.66
50: $1.56
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
TE Connectivity / P&B W57-XB7A4A10-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,131

Data Sheet
1,361
In Stock
1: $1.96
10: $1.88
25: $1.59
50: $1.43
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 1 Pole Pushbutton Series Trip W57 0 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
1,721
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-05 Carling Technologies Circuit Breakers 5 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
883
In Stock
More Info Available
1: $2.09
10: $1.72
25: $1.62
50: $1.57



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W57-XB7A4A10-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,131

Data Sheet
1,315
In Stock
More Info Available
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 2,131

Data Sheet
1,438
In Stock
More Info Available
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
Carling Technologies CTB-B-B-15 Carling Technologies Circuit Breakers 15 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
1,031
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 W57-XB7A4A10-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,131

Data Sheet
956
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
2,318
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-8
 Enlarge
TE Connectivity / P&B Circuit Breakers 8A PUSH TO RESET
Page 2,131

Data Sheet
2,735
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-6
 Enlarge
TE Connectivity / P&B Circuit Breakers 6A PUSH TO RESET
Page 2,131

Data Sheet
1,986
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-7
 Enlarge
TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET
Page 2,131

Data Sheet
3,166
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-12
 Enlarge
TE Connectivity / P&B Circuit Breakers 12A PUSH TO RESET
Page 2,131

Data Sheet
2,608
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
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
1,679
In Stock
More Info Available
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
TE Connectivity / P&B W28-XT1A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Data Sheet 710
In Stock
1: $3.28
10: $3.06
25: $2.86
50: $2.59
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
Compare up to 20 parts.
7497
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