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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 7,485 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 W23-X1A1G-3
Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH/PULL ACT. Page 2,023

Data Sheet
40
In Stock
1: $36.42
10: $33.99
25: $31.86
50: $28.83
100: $26.93



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-2
Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH/PULL ACT. Page 2,023

Data Sheet
27
In Stock
1: $36.43
10: $33.99
25: $31.87
50: $28.84
100: $26.93



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W92-X112-50
Enlarge
TE Connectivity / P&B Circuit Breakers 50A 2 POLE 2 TOGGLE Page 2,024

Data Sheet
19
In Stock
1: $50.29
10: $45.11
25: $44.00
50: $39.80
100: $34.07



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 277 V 2 Poles Toggle Series Trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity Circuit Breakers 16A Push to Reset 6.35 Strt Quick Conn Data Sheet 200
In Stock
100: $3.10



Min.: 100
Mult.: 100
Thermal Circuit Breakers Supplementary Protector 16 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
Littelfuse 0812005.ZXST
Enlarge
Littelfuse Circuit Breakers 5A STUD TYPE CIRCUIT BREAKER Data Sheet 185
In Stock
1: $10.35
10: $9.62
25: $8.51
50: $7.40
100: View



Min.: 1
Mult.: 1
No

Aftermarket Circuit Breakers Stud Type 5 A 12 V 1 Pole Self-Reset 81xxxxST Not Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 2A BLK Data Sheet 252
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-S1N1Q-10
Enlarge
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SW 10A BLK Data Sheet 56
In Stock
1: $18.22
25: $15.94
50: $14.41
100: $12.35



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
TE Connectivity / P&B Circuit Breakers 15A 2-P Black Rocker P1 & P2 Trip QC Page 2,740

Data Sheet
57
In Stock
1: $24.74
10: $23.52
25: $21.65
50: $19.58
100: $18.57



Min.: 1
Mult.: 1
No

Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W33-T4B1Q-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A 2-P Illum Amber P1 & P2 Trip QC Page 2,740

Data Sheet
34
In Stock
1: $28.94
10: $27.00
25: $25.31
50: $22.91
100: View



Min.: 1
Mult.: 1
No

Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Illuminated
TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER THERMAL 10A AMB Data Sheet 51
In Stock
1: $30.96
5: $27.82
10: $25.66
25: $21.35
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 Illuminated
Schurter 4404.0024
Enlarge
Schurter Circuit Breakers 16A 0.25" QC Threaded neck Page 2,739

Data Sheet
174
In Stock
More Info Available
1: $1.67
10: $1.59
25: $1.48
50: $1.39
100: $1.29



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 16 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Schurter 4404.0002
Enlarge
Schurter Circuit Breakers 6A 240V AC / 48V DC SNAP-IN MOUNT Page 2,739

Data Sheet
166
In Stock
1: $1.67
10: $1.59
25: $1.48
50: $1.39
100: $1.30



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 6 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Schurter 4404.0010
Enlarge
Schurter Circuit Breakers 15A 0.25" QC Snap-in front Page 2,739

Data Sheet
229
In Stock
1: $1.67
10: $1.59
25: $1.48
50: $1.39
100: $1.30



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Schurter 4404.0007
Enlarge
Schurter Circuit Breakers 5A 240V AC / 48V DC SNAP-IN MOUNT Page 2,739

Data Sheet
158
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
Carling Technologies CTB-B-B-12
Enlarge
Carling Technologies Circuit Breakers 12 AMP 50VDC PNL MNT Page 2,022

Data Sheet
170
In Stock
1: $1.80
10: $1.62
25: $1.49
50: $1.39



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 12 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
Schurter 4404.0006
Enlarge
Schurter Circuit Breakers 16A 240V AC / 48V DC SNAP-IN MOUNT Page 2,739

Data Sheet
217
In Stock
1: $1.87
10: $1.78
25: $1.66
50: $1.56
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 16 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Schurter 4404.0005
Enlarge
Schurter Circuit Breakers 12A 240V AC / 48V DC SNAP-IN MOUNT Page 2,739

Data Sheet
462
In Stock
1: $1.96
10: $1.86
25: $1.74
50: $1.63
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 12 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Schurter TS-709-10
Enlarge
Schurter Circuit Breakers 10A Thermal Reset 1-pole threaded neck Page 2,740

Data Sheet
12
In Stock
1: $1.97
10: $1.75
25: $1.58
50: $1.48
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 125 V, 250 V 32 V 1 Pole Pushbutton TS-709 - 10 C to + 60 C Not Illuminated
Schurter TS-709-15
Enlarge
Schurter Circuit Breakers 15A Thermal Reset 1-pole threaded neck Page 2,740

Data Sheet
163
In Stock
1: $1.97
10: $1.75
25: $1.58
50: $1.48
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 125 V, 250 V 32 V 1 Pole Pushbutton TS-709 - 10 C to + 60 C Not Illuminated
Schurter 4404.0022
Enlarge
Schurter Circuit Breakers 10A 0.25" QC Threaded neck Page 2,739

Data Sheet
291
In Stock
1: $2.02
10: $1.84
25: $1.73
50: $1.64
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Carling Technologies C1005B-3B101BR3
Enlarge
Carling Technologies Circuit Breakers 10 AMPS BLK BEZEL WHT RED Data Sheet 428
In Stock
More Info Available
1: $2.03
25: $1.93
50: $1.77
100: $1.69
500: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal Switch Protector 10 A 125 V, 250 V 32 V 1 Pole Rocker C1005B 0 C to + 60 C Illuminated
Carling Technologies CMB-203-11C3N-B-A
Enlarge
Carling Technologies Circuit Breakers 20 AMP PLASTIC BLK Page 2,022

Data Sheet
131
In Stock
1: $2.09
10: $1.72
25: $1.62
50: $1.57



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 125 V to 250 V 32 V 1 Pole Pushbutton C - 10 C to + 60 C Not Illuminated
Carling Technologies CTB-B-B-05
Enlarge
Carling Technologies Circuit Breakers 5 AMP 50VDC PNL MNT Page 2,022

Data Sheet
200
In Stock
1: $2.09
10: $1.72
25: $1.62
50: $1.57



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 5 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
Schurter TS-709-12K
Enlarge
Schurter Circuit Breakers 12A Thermal Reset 1-pole thread w/ nut Page 2,740

Data Sheet
277
In Stock
1: $2.21
10: $1.96
25: $1.77
50: $1.66
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 12 A 125 V, 250 V 32 V 1 Pole Pushbutton TS-709 - 10 C to + 60 C Not Illuminated
Carling Technologies CMB-073-11C3N-B-A
Enlarge
Carling Technologies Circuit Breakers 7 AMP PLASTIC BLK Page 2,022

Data Sheet
93
In Stock
1: $2.23
10: $1.84
25: $1.73
50: $1.67



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 7 A 125 V to 250 V 32 V 1 Pole Pushbutton C - 10 C to + 60 C Not Illuminated
Compare up to 20 parts.
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