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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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Carling Technologies MS1-B-10-430-2-1CB-A-A
Enlarge
Carling Technologies Circuit Breakers Sld Toggle Cir Brkr
Data Sheet 54
In Stock
1: $59.49
10: $54.08
25: $49.58
50: $45.75



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 3 A 50 V 1 Pole Toggle Series Trip (Current) MS Series - 40 C to + 85 C Not Illuminated
Carling Technologies CA2-B0-34-630-121-D
Enlarge
Carling Technologies Circuit Breakers 30 A TWO POLE
Page 2,129

Data Sheet
49
In Stock
1: $75.48
10: $53.47
25: $49.38
50: $44.03
100: $43.45



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 80 V 2 Poles Handle Series Trip (Current) C - 40 C to + 85 C Not Illuminated
Carling Technologies EA2-B0-26-450-32E-HB
Enlarge
Carling Technologies Circuit Breakers Cir Bkr, Hyd/Mag 2 Pole, Blk Act, 5A
Page 2,129

Data Sheet
105
In Stock
1: $77.49
5: $52.23
10: $44.76
25: $41.78



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 600 V 125 V 2 Poles Handle Series Trip (Current) E - 40 C to + 85 C Not Illuminated
Carling Technologies EA2-B0-26-620-32E-HB
Enlarge
Carling Technologies Circuit Breakers Cir Bkr, Hyd/Mag 2 Pole, Blk Act, 20A
Page 2,129

Data Sheet
50
In Stock
1: $77.49
5: $52.24
10: $44.75
25: $41.77



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 600 V 125 V 2 Poles Handle Series Trip (Current) E - 40 C to + 85 C Not Illuminated
Phoenix Contact 0914138
Enlarge
Phoenix Contact Circuit Breakers TMC 1 F1 100 5.0A
Data Sheet 24
In Stock
1: $80.19
10: $74.43
25: $71.60
50: $68.77
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 5 A 250 V 65 V 1 Pole Toggle - 30 C to + 60 C Not Illuminated
Altech 3DU6R
Enlarge
Altech Circuit Breakers 6A D Characteristic UL 1077 3 POLE
Page 2,938

Data Sheet
179
In Stock
1: $34.62
10: $31.41
50: $29.48
100: $28.89
250: View



Min.: 1
Mult.: 1
Circuit Protection Devices D-Trip 6 A 277 V 3 Poles Handle Supplementary Protectors R - 25 C to + 60 C Not Illuminated
TE Connectivity / P&B W33-T2N1Q-10
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet 90
In Stock
1: $27.00
5: $24.24
10: $22.37
25: $18.62
50: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 10 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
Schneider Electric GV2ME16
Enlarge
GV2ME16

New At Mouser
New At Mouser


Schneider Electric Circuit Breakers MAN-START 600VAC 14AMP IEC
Data Sheet 10
In Stock
1: $201.39
5: $185.57
10: $182.02
25: $177.06
50: View



Min.: 1
Mult.: 1


Thermal Magnetic Circuit Breakers Circuit Breakers 14 A 690 V 3 Poles Pushbutton Motor Protection - 20 C to + 60 C
Schurter 4404.0007
Enlarge
Schurter Circuit Breakers 5A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,940

Data Sheet
747
In Stock
1: $1.75
10: $1.66
25: $1.55
50: $1.45
100: $1.27



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
TE Connectivity / P&B W57-XB7A4A10-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,131

Data Sheet
633
In Stock
More Info Available
1: $2.20
10: $2.05
25: $1.92
50: $1.74
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W54-XB1A4A10-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,131

Data Sheet
456
In Stock
1: $2.99
10: $2.78
25: $2.60
50: $2.36
100: $1.83



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W54-XB1A4A10-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET
Page 2,131

Data Sheet
431
In Stock
1: $3.10
10: $3.00
25: $2.81
50: $2.58
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not 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
492
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 250 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
Carling Technologies CLB-053-11B3A-B-A
Enlarge
Carling Technologies Circuit Breakers 5 AMP METAL BLK
Page 2,130

Data Sheet
325
In Stock
1: $4.16
10: $3.96
25: $3.12
50: $2.94



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 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
340
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 5 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
192
In Stock
1: $5.90
10: $5.42
25: $4.95
50: $4.46
100: $3.78



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-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH TO RESET ST
Page 2,132

Data Sheet
293
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-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET ST
Page 2,132

Data Sheet
247
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 15 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712275
Enlarge
Phoenix Contact Circuit Breakers TCP 6 AMPS
Page 2,133

Data Sheet
92
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 0916607
Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 5A
Page 2,133

Data Sheet
105
In Stock
1: $16.56
10: $15.53
25: $14.81
50: $14.29
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 0916606
Enlarge
Phoenix Contact Circuit Breakers UT 6-TMC M 4A
Page 2,133

Data Sheet
51
In Stock
1: $17.15
10: $16.81
25: $16.13
50: $15.47
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 4 A 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C Not Illuminated
TE Connectivity / P&B W67-X2Q110-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A 1 POLE TOGGLE
Data Sheet 50
In Stock
1: $17.86
5: $17.21
10: $16.51
25: $16.12
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
Carling Technologies EA1-B0-26-450-32E-FB
Enlarge
Carling Technologies Circuit Breakers Cir Bkr, Hyd/Mag 1 Pole, Blk Act, 5A
Page 2,129

Data Sheet
66
In Stock
1: $18.02
5: $17.45
10: $17.01
25: $16.60



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 600 V 125 V 1 Pole Handle Series Trip (Current) E - 40 C to + 85 C Not Illuminated
Schurter 4430.1089
Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 15A
Page 2,134

Data Sheet
59
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 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter 4430.2298
Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 10A
Page 2,134

Data Sheet
73
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 10 A 240 V 60 V 1 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
Compare up to 20 parts.
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