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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 7,501 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 W58-XB1A4A-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,132

Data Sheet
1,249
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-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET
Page 2,132

Data Sheet
480
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-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,132

Data Sheet
489
In Stock
More Info Available
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



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 W28-XQ1A-1
 Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH TO RESET
Page 2,131

Data Sheet
1,054
In Stock
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
823
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
TE Connectivity / P&B W58-XB1A4A-3
 Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET
Page 2,132

Data Sheet
508
In Stock
1: $6.87
10: $6.25
25: $5.89
50: $5.27
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
TE Connectivity / P&B W58-XB1A4A-1
 Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH TO RESET QC
Page 2,132

Data Sheet
1,131
In Stock
1: $6.87
10: $6.25
25: $5.89
50: $5.27
100: View



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
Phoenix Contact 0712291
 Enlarge
Phoenix Contact Circuit Breakers TCP 8 AMPS
Data Sheet 123
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 8 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712259
 Enlarge
Phoenix Contact Circuit Breakers TCP 4 AMPS
Page 2,133

Data Sheet
222
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 4 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712275
 Enlarge
Phoenix Contact Circuit Breakers TCP 6 AMPS
Page 2,133

Data Sheet
160
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 6 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
375
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 3 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
203
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 1 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
148
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 0916607
 Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 5A
Page 2,133

Data Sheet
199
In Stock
1: $16.74
10: $15.70
25: $14.97
50: $14.44
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 5 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
148
In Stock
1: $16.74
10: $15.70
25: $14.97
50: $14.44
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
Phoenix Contact 0916605
 Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 2A
Page 2,133

Data Sheet
188
In Stock
More Info Available
1: $16.74
10: $15.70
25: $14.97
50: $14.44
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
Schurter 4430.1089
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 15A
Page 2,134

Data Sheet
100
In Stock
1: $18.10
10: $16.15
25: $14.50
50: $13.73



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 240 V 60 V 2 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
TE Connectivity / P&B W33-S4B1Q-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A 2-P Illum Amber P1 Switch P2 Trip QC
Page 2,941

Data Sheet
94
In Stock
1: $18.22
10: $17.97
25: $17.71
50: $17.23
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Illuminated
Schurter 4430.1201
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 5.0A
Page 2,134

Data Sheet
309
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 W23-X1A1G-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH/PULL ACT.
Page 2,131

Data Sheet
149
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-25
 Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH/PULL ACT.
Page 2,131

Data Sheet
86
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-50
 Enlarge
TE Connectivity / P&B Circuit Breakers 50A PUSH/PULL ACT.
Page 2,131

Data Sheet
172
In Stock
1: $24.24
10: $22.04
25: $20.20
50: $18.35
100: View



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-30
 Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH/PULL ACT.
Page 2,131

Data Sheet
56
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
TE Connectivity / P&B W23-X1A1G-40
 Enlarge
TE Connectivity / P&B Circuit Breakers 40A PUSH/PULL ACT.
Page 2,131

Data Sheet
150
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 40 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-7.50
 Enlarge
TE Connectivity / P&B Circuit Breakers 7.5A PUSH/PULL ACT.
Page 2,131

Data Sheet
126
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 7.5 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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