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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 7,503 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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Carling Technologies CMB-033-11C3N-B-A
Enlarge
Carling Technologies Circuit Breakers 3 AMP PLASTIC BLK
Page 2,130

Data Sheet
813
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 C - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W51-A152A1-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A RCKR ACT NON-ILL
Page 2,132

Data Sheet
989
In Stock
1: $3.46
10: $3.22
25: $3.02
50: $2.73
100: $2.12



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 Not Illuminated
TE Connectivity / P&B W51-A161A1-15
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 15A RED
Data Sheet 668
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
723
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-A121B1-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A RCKR ACT RED ILL
Page 2,132

Data Sheet
1,003
In Stock
More Info Available
1: $3.49
10: $3.25
25: $3.04
50: $2.75
100: View



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 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
1,254
In Stock
More Info Available
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
866
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-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,132

Data Sheet
1,673
In Stock
1: $4.78
10: $4.45
25: $3.67
50: $3.27
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 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
570
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-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET
Page 2,132

Data Sheet
482
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-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,132

Data Sheet
639
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 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-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,132

Data Sheet
1,060
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 5 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
857
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-0.25
Enlarge
TE Connectivity / P&B Circuit Breakers 0.25A PUSH TO RESET
Page 2,131

Data Sheet
832
In Stock
More Info Available
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 W28-XQ1A-2
Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH TO RESET
Page 2,131

Data Sheet
2,427
In Stock
More Info Available
1: $5.81
10: $5.46
25: $5.08
50: $4.60
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
TE Connectivity / P&B W28-XQ1A-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH TO RESET
Page 2,131

Data Sheet
1,249
In Stock
1: $6.19
10: $5.81
25: $5.41
50: $4.90
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 W58-XB1A4A-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH TO RESET QC
Page 2,132

Data Sheet
1,141
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
556
In Stock
More Info Available
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
334
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 172
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 0916610
Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 10A
Page 2,133

Data Sheet
129
In Stock
1: $14.49
10: $13.59
25: $12.96
50: $12.50
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 10 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
161
In Stock
1: $14.68
10: $13.08
25: $12.53
50: $12.45
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 0712259
Enlarge
Phoenix Contact Circuit Breakers TCP 4 AMPS
Page 2,133

Data Sheet
225
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 0712233
Enlarge
Phoenix Contact Circuit Breakers TCP 3 AMPS
Page 2,133

Data Sheet
376
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 0712291
Enlarge
Phoenix Contact Circuit Breakers TCP 8 AMPS
Data Sheet 190
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 8 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
Compare up to 20 parts.
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