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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-XT1A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Data Sheet 663
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
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
TE Connectivity / P&B W51-A161A1-15
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED
Data Sheet 601
In Stock
1: $3.46
10: $3.22
25: $3.02
50: $2.73
100: $2.15



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

Data Sheet
486
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
354
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
378
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
TE Connectivity / P&B W58-XB1A4A-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,132

Data Sheet
390
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 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-6
 Enlarge
TE Connectivity / P&B Circuit Breakers 6A PUSH TO RESET QC
Page 2,132

Data Sheet
238
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-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET ST
Page 2,132

Data Sheet
295
In Stock
1: $5.20
10: $4.56
25: $4.28
50: $3.87
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-XC4C12A-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET ST
Page 2,132

Data Sheet
229
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
219
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 W28-XQ1A-0.75
 Enlarge
TE Connectivity / P&B Circuit Breakers 0.75A PUSH TO RESET
Data Sheet 319
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-4
 Enlarge
TE Connectivity / P&B Circuit Breakers 4A PUSH TO RESET QC
Page 2,132

Data Sheet
175
In Stock
1: $7.14
10: $6.49
25: $6.05
50: $5.59
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 4 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XC4C12A-3
 Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET ST
Page 2,132

Data Sheet
29
In Stock
1: $7.18
10: $6.59
25: $6.03
50: $5.59
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0700010
 Enlarge
Phoenix Contact Circuit Breakers TCP 10/DC32V
Data Sheet 131
In Stock
1: $14.06
10: $13.68
25: $13.33
50: $12.79
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device 10 A 32 V 1 Pole Pushbutton TCP - 30 C to + 60 C Not Illuminated
Phoenix Contact 0916612
 Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 15A
Page 2,133

Data Sheet
79
In Stock
1: $14.77
10: $13.85
25: $13.21
50: $12.74
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 15 A 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
Phoenix Contact 0712275
 Enlarge
Phoenix Contact Circuit Breakers TCP 6 AMPS
Page 2,133

Data Sheet
177
In Stock
More Info Available
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 6 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712152
 Enlarge
Phoenix Contact Circuit Breakers TCP 0.50 AMPS
Page 2,133

Data Sheet
113
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 500 mA 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Phoenix Contact 0916604
 Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 1A
Page 2,133

Data Sheet
68
In Stock
1: $16.74
10: $15.70
25: $14.97
50: $14.44
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 1 A 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
TE Connectivity / P&B W33-S1N1Q-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A 2-P Black Rocker P1 Switch P2 Trip QC
Page 2,941

Data Sheet
58
In Stock
1: $17.40
10: $16.68
25: $16.02
50: $14.49
100: $12.65



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W67-X2Q110-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A 1 POLE TOGGLE
Data Sheet 43
In Stock
1: $20.83
5: $19.37
10: $18.19
25: $17.17
50: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 1 Pole Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W91-X112-5
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK
Data Sheet 80
In Stock
1: $21.78
5: $20.34
10: $19.72
25: $19.11
50: $17.24



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 277 V 1 Pole Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W33-S4B1Q-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A 2-P Illum Amber P1 Switch P2 Trip QC
Page 2,941

Data Sheet
53
In Stock
1: $22.19
10: $20.71
25: $19.42
50: $17.56
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Illuminated
Compare up to 20 parts.
7499
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