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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 7,508 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 Circuit Breakers 5A ROCKR ACT NON-ILL
Page 2,132

Data Sheet
778
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
604
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 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
766
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-8
Enlarge
TE Connectivity / P&B Circuit Breakers 8A PUSH TO RESET QC
Page 2,132

Data Sheet
412
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 8 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
577
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-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET
Page 2,132

Data Sheet
684
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 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-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH TO RESET QC
Page 2,132

Data Sheet
1,151
In Stock
1: $7.28
10: $6.84
25: $6.37
50: $5.76
100: $4.54



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-3
Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET
Page 2,132

Data Sheet
381
In Stock
1: $7.28
10: $6.84
25: $6.37
50: $5.76
100: $4.54



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

Data Sheet
476
In Stock
1: $7.42
10: $6.98
25: $6.49
50: $5.87
100: $4.64



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 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 173
In Stock
1: $13.87
10: $13.50
25: $13.14
50: $12.61
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 0712259
Enlarge
Phoenix Contact Circuit Breakers TCP 4 AMPS
Page 2,133

Data Sheet
172
In Stock
1: $14.68
10: $13.61
25: $12.53
50: $12.45
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 4 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712194
Enlarge
Phoenix Contact Circuit Breakers TCP 1 AMPS
Page 2,133

Data Sheet
161
In Stock
1: $14.71
10: $13.61
25: $12.63
50: $12.50
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 1 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712233
Enlarge
Phoenix Contact Circuit Breakers TCP 3 AMPS
Page 2,133

Data Sheet
432
In Stock
1: $14.71
10: $13.61
25: $12.63
50: $12.50
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 3 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712314
Enlarge
Phoenix Contact Circuit Breakers TCP 10 AMPS
Page 2,133

Data Sheet
202
In Stock
1: $14.71
10: $13.61
25: $12.63
50: $12.50
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 10 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
195
In Stock
1: $15.07
10: $13.75
25: $13.39
50: $12.95
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 0916605
Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 2A
Page 2,133

Data Sheet
157
In Stock
More Info Available
1: $16.56
10: $15.53
25: $14.81
50: $14.29
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 2 A 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
Phoenix Contact 0916603
Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 0.5A
Page 2,133

Data Sheet
152
In Stock
1: $16.67
10: $15.53
25: $15.49
50: $15.47
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 500 mA 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
Schurter 4430.2078
Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 10A
Page 2,134

Data Sheet
314
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
TE Connectivity / P&B W33-S1N1Q-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A 2-P Black Rocker P1 Switch P2 Trip QC
Page 2,941

Data Sheet
113
In Stock
1: $18.57
5: $16.89
10: $15.88
25: $14.54
50: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
Schurter 4430.2311
Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 2.0A
Page 2,134

Data Sheet
90
In Stock
1: $18.73
10: $16.65
25: $14.98
50: $14.14



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 2 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
TE Connectivity / P&B W91-X112-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A 1 POLE 1 TOGGLE
Page 2,132

Data Sheet
132
In Stock
1: $21.70
10: $19.64
25: $18.13
50: $15.09
100: $14.59



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 1 Pole Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-50
Enlarge
TE Connectivity / P&B Circuit Breakers 50A PUSH/PULL ACT.
Page 2,131

Data Sheet
190
In Stock
1: $23.71
10: $22.13
25: $20.75
50: $18.77
100: $14.82



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 50 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH/PULL ACT.
Page 2,131

Data Sheet
103
In Stock
1: $23.71
10: $22.13
25: $20.75
50: $18.77
100: $14.82



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH/PULL ACT.
Page 2,131

Data Sheet
169
In Stock
1: $23.71
10: $22.13
25: $20.75
50: $18.77
100: $14.82



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH/PULL ACT.
Page 2,131

Data Sheet
96
In Stock
1: $24.68
10: $24.03
25: $21.59
50: $19.53
100: $16.73



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
Compare up to 20 parts.
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