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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 7,499 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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Schurter 4404.0096
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4404.0096

New Product
New Product


Schurter Circuit Breakers 1 pole 3A THT Term for PCB mounting
Page 2,134

Data Sheet
524
In Stock
1: $3.89
50: $3.57
100: $3.29
500: $2.61
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 3 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-818 - 5 C to + 60 C Not Illuminated
Carling Technologies CLB-053-11B3A-B-A
 Enlarge
Carling Technologies Circuit Breakers 5 AMP METAL BLK
Page 2,130

Data Sheet
258
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
Schurter 4400.0008
 Enlarge
Schurter Circuit Breakers .250 QC SP THERML 1A
Page 2,940

Data Sheet
142
In Stock
1: $7.41
10: $6.59
25: $5.93
50: $5.59
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 1 A 240 V 48 V 1 Pole Pushbutton ON/OFF T11 - 5 C to + 60 C Not Illuminated
Schurter 4430.1353
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 5.0A
Page 2,134

Data Sheet
67
In Stock
1: $17.86
10: $17.00
25: $15.99
50: $15.15
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 240 V 60 V 1 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
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
63
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 4430.2311
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 2.0A
Page 2,134

Data Sheet
48
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 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
Carling Technologies Circuit Breakers
Data Sheet 46
In Stock
1: $27.50
10: $25.38
50: $23.78
100: $20.94



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 12 A 125 V, 250 V 80 V 2 Pole Rocker Series Trip (Current) M Series - 40 C to + 85 C Not Illuminated
Schurter 4430.2306
 Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 20A
Page 2,134

Data Sheet
41
In Stock
1: $27.69
10: $24.61
25: $22.14
50: $20.90



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 20 A 240 V 60 V 2 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
Carling Technologies MS1-B-10-430-2-1CB-A-A
 Enlarge
Carling Technologies Circuit Breakers Sld Toggle Cir Brkr
Data Sheet 35
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 BA2-B0-34-450-121-D
 Enlarge
Carling Technologies Circuit Breakers 5 A TWO POLE
Page 2,129

Data Sheet
29
In Stock
1: $59.93
10: $41.22
25: $36.65
50: $33.20
100: $32.20



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 5 A 277 V 80 V 2 Pole Handle Series Trip (Current) B - 40 C to + 85 C Not Illuminated
Carling Technologies Circuit Breakers Circuit Breaker 5pole, DC
Data Sheet 8
In Stock
1: $117.98



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 277 V 80 V 5 Pole Handle Series Trip (Current) A Series - 40 C to + 85 C Not Illuminated
Carling Technologies EA3-B0-66-490-11A-GB Carling Technologies Circuit Breakers CIRCUIT BREAKER 3 POLE 20A
Data Sheet 10
In Stock
1: $127.88
5: $115.50
10: $109.61
20: $104.63
50: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 9 A 600 V 125 V 3 Pole Handle Series Trip (Current) E - 40 C to + 85 C Not Illuminated
Altech 2BU16R
 Enlarge
Altech Circuit Breakers 16A B Characteristic UL 1077 2 POLE
Page 2,938

Data Sheet
66
In Stock
1: $23.08
10: $20.95
50: $19.63
100: $19.24
250: View



Min.: 1
Mult.: 1
Circuit Protection Devices B-Trip 16 A 277 V 2 Pole Handle Supplementary Protectors R - 25 C to + 60 C Not Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 2A BLK
Data Sheet 276
In Stock
1: $4.70
25: $4.21
50: $3.90
100: $3.27



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 2 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W33-S2N1Q-20
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet 50
In Stock
1: $19.56
25: $17.58
50: $16.21
100: $13.49
200: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 20 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W67-X2Q13-1
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 1A WHITE
Data Sheet 47
In Stock
1: $22.84
5: $20.52
10: $18.92
25: $15.75
50: View



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 1 A 277 V 1 Pole Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity Circuit Breakers CKTBKR THERM ROCK QC.250
Data Sheet 59
In Stock
1: $26.13
25: $25.15
50: $24.04
100: $23.19



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 12 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Illuminated
TE Connectivity / P&B W33-T2N1Q-5
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL
Data Sheet 42
In Stock
1: $27.67
5: $24.85
10: $22.93
25: $19.08
50: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 10A AMB
Data Sheet 40
In Stock
1: $31.73
5: $28.51
10: $26.29
25: $21.88
50: 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
TE Connectivity / P&B W68-X2Q12-7
 Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 7A WHITE
Data Sheet 22
In Stock
1: $50.53
5: $47.62
10: $43.93
25: $36.55
50: $35.15



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 7 A 277 V 2 Pole Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
Schneider Electric GV2ME10
 Enlarge
Schneider Electric Circuit Breakers MAN-START 600VAC 6.3AMP IEC
Data Sheet 6
In Stock
1: $161.83
5: $149.01
10: $146.26
25: $142.18
50: View



Min.: 1
Mult.: 1


Thermal Magnetic Circuit Breakers Thermomagnetic 6.3 A 690 V 3 Pole Pushbutton Motor Protection - 20 C to + 60 C
Schneider Electric GV2ME14
 Enlarge
Schneider Electric Circuit Breakers MAN-START 600VAC 10AMP IEC
Data Sheet 7
In Stock
1: $161.83
5: $149.01
10: $146.26
25: $142.18
50: View



Min.: 1
Mult.: 1


Thermal Magnetic Circuit Breakers Thermomagnetic 10 A 690 V 3 Pole Pushbutton Motor Protection - 20 C to + 60 C
TE Connectivity W57-XJ2A22B10-7M
 Enlarge
TE Connectivity Circuit Breakers W57-XJ2A22B10-7M
Data Sheet 139
In Stock
1: $1.67
100: $1.29
500: $1.19
1,000: $1.15
2,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 7 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
TE Connectivity W57-XJ2A22B10-10M
 Enlarge
TE Connectivity Circuit Breakers W57-XJ2A22B10-10M
Data Sheet 159
In Stock
1: $1.70
10: $1.62
25: $1.48
50: $1.34
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W57-XB7A4A10-8
 Enlarge
TE Connectivity / P&B Circuit Breakers CKTBKR, THERM,PB
Data Sheet 166
In Stock
1: $1.76
25: $1.58
50: $1.45
100: $1.25



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 8 A 250 V 1 Pole Pushbutton Series Trip W57 0 C to + 60 C Not Illuminated
Compare up to 20 parts.
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