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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 7,646 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 Series Operating Temperature Range Illuminated
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TE Connectivity / P&B W28-XQ1A-4
 Enlarge
TE Connectivity / P&B Circuit Breakers 4A PUSH TO RESET
Page 2,040

Data Sheet
2,064
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 W28 - 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
507
In Stock
More Info Available
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 W58 - 20 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
1,481
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 W58 - 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
1,972
In Stock
More Info Available
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 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
1,414
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 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
683
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 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
927
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 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
1,843
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 W28 - 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 2,041

Data Sheet
1,009
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 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 2,041

Data Sheet
433
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 2 A 250 V 50 V 1 Pole Pushbutton 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 2,041

Data Sheet
295
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 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
361
In Stock
1: $19.80
10: $18.71
25: $16.95
50: $15.48
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 240 V 50 V 1 Pole Pushbutton 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 2,040

Data Sheet
102
In Stock
1: $23.71
10: $22.13
25: $20.75
50: $18.77
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 240 V 50 V 1 Pole Pushbutton 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 2,040

Data Sheet
172
In Stock
1: $23.98
10: $22.04
25: $20.20
50: $18.50
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 50 A 240 V 50 V 1 Pole Pushbutton 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 2,040

Data Sheet
114
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 W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH/PULL ACT.
Page 2,040

Data Sheet
196
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 10 A 240 V 50 V 1 Pole Pushbutton W23 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0916605
 Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 2A
Page 2,042

Data Sheet
216
In Stock
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
Phoenix Contact 0712233
 Enlarge
Phoenix Contact Circuit Breakers TCP 3 AMPS
Page 2,042

Data Sheet
242
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
Carling Technologies CMB-033-11C3N-B-A
 Enlarge
Carling Technologies Circuit Breakers 3 AMP PLASTIC BLK
Page 2,039

Data Sheet
605
In Stock
1: $3.44
10: $2.87
25: $2.73
50: $2.62
100: $2.35



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 3 A 125 V to 250 V 32 V 1 Pole Pushbutton CMB - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A TOGGLE ACTUATOR
Page 2,040

Data Sheet
230
In Stock
1: $29.84
10: $27.48
25: $25.48
50: $23.27
100: $21.65



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 240 V 50 V 1 Pole Toggle W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-0.50
 Enlarge
TE Connectivity / P&B Circuit Breakers 0.5A PUSH TO RESET
Page 2,040

Data Sheet
950
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 500 mA 250 V 32 V 1 Pole Pushbutton W28 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712275
 Enlarge
Phoenix Contact Circuit Breakers TCP 6 AMPS
Page 2,042

Data Sheet
142
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
TE Connectivity / P&B W58-XB1A4A-8
 Enlarge
TE Connectivity / P&B Circuit Breakers 8A PUSH TO RESET QC
Page 2,041

Data Sheet
611
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 W58 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712259
 Enlarge
Phoenix Contact Circuit Breakers TCP 4 AMPS
Page 2,042

Data Sheet
239
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
TE Connectivity / P&B W23-X1A1G-25
 Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH/PULL ACT.
Page 2,040

Data Sheet
157
In Stock
1: $24.45
10: $22.04
25: $21.38
50: $18.95
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Pushbutton W23 - 20 C to + 60 C Not Illuminated
Compare up to 20 parts.
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