|    Change Country Change Location USD
 
United States United States

Please confirm your currency selection:

US Dollars

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 7,497 Matches  

Manufacturer
 
Reset
 
Product
Reset
 
Product Type
Reset
 
Current Rating
Reset
 
Voltage Rating AC
Reset
 
Voltage Rating DC
Reset
 
Number of Poles
Reset
 
Actuator Type
Reset
 
Circuit Function
Reset
 
Series
Reset
 
Operating Temperature Range
Reset
 
Illuminated
Reset
 

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
Sort by Mouser Part # AscendingSort by Mouser Part # DescendingSort by Mfr. Part # AscendingSort by Mfr. Part # DescendingSort by Mfr. AscendingSort by Mfr. DescendingSort by Availability AscendingSort by Pricing AscendingSort by Pricing DescendingSort by Product AscendingSort by Product DescendingSort by Product Type AscendingSort by Product Type DescendingSort by Current Rating AscendingSort by Current Rating DescendingSort by Voltage Rating AC AscendingSort by Voltage Rating AC DescendingSort by Voltage Rating DC AscendingSort by Voltage Rating DC DescendingSort by Number of Poles AscendingSort by Number of Poles DescendingSort by Actuator Type AscendingSort by Actuator Type DescendingSort by Circuit Function AscendingSort by Circuit Function DescendingSort by Series AscendingSort by Series DescendingSort by Operating Temperature Range AscendingSort by Operating Temperature Range DescendingSort by Illuminated AscendingSort by Illuminated Descending
TE Connectivity / P&B W33-S4B1Q-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 2poles 5Amps Rocker Therm Circuit Brker
Data Sheet 76
In Stock
1: $23.08
5: $22.23
10: $21.12
25: $20.19
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 Illuminated
TE Connectivity / P&B W31-X2M1G-35
 Enlarge
TE Connectivity / P&B Circuit Breakers 35A TOGGLE ACTUATOR
Page 2,131

Data Sheet
32
In Stock
1: $29.52
10: $27.54
25: $25.82
50: $23.36
100: $18.45



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 35 A 240 V 50 V 1 Pole Toggle Series trip W31 - 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 2,941

Data Sheet
49
In Stock
1: $29.66
10: $27.67
25: $25.93
50: $23.48
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Illuminated
TE Connectivity / P&B 3-1393248-3
 Enlarge
TE Connectivity / P&B Circuit Breakers W33-T1N1Q-15=W33
Data Sheet 60
In Stock
1: $34.81
10: $27.85
50: $26.40
100: $25.09



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 2 Pole Rocker Series Trip Overload Sensing W33 Not Illuminated
Phoenix Contact 2800840
 Enlarge
Phoenix Contact Circuit Breakers CB TM1 5A SFB P
This product may require additional documentation to export from the United States.
Page 2,133

Data Sheet
27
In Stock
1: $42.66
10: $38.93
25: $37.91
50: $36.66
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 5 A 240 V, 277 V 50 V 1 Pole Slide Trip Free CB TM1 - 30 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-2
 Enlarge
TE Connectivity / P&B Circuit Breakers 2A TOGGLE ACTUATOR
Data Sheet 43
In Stock
1: $45.30
10: $42.52
25: $39.63
50: $35.85
100: $28.31



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 240 V 50 V 1 Pole Toggle Series trip W31 - 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 2,132

Data Sheet
25
In Stock
More Info Available
1: $46.59
10: $41.85
25: $39.26
50: $35.94
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 277 V 2 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
Phoenix Contact 5600310 Phoenix Contact Circuit Breakers TMC 42-01-15A
Page 2,133 33
In Stock
1: $47.33
10: $43.20
25: $42.07
50: $40.68
100: View



Min.: 1
Mult.: 1
Thermal Magnetic Circuit Breakers Circuit Breakers 15 A 1 Pole Pushbutton ON/OFF TMC - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W92-X112-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A 2 POLE 2 TOGGLE
Page 2,132

Data Sheet
20
In Stock
1: $48.33
10: $42.85
25: $39.26
50: $35.94
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 2 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W92-X112-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 2pole 10Amp Toggle Mag circuit breaker
Data Sheet 25
In Stock
1: $48.34
5: $45.63
10: $41.85
25: $39.26
50: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 2 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W68-X2Q12-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A 2 POLE 2 TOGGLE
Page 2,132

Data Sheet
28
In Stock
More Info Available
1: $50.50
10: $47.13
25: $44.19
50: $39.97
100: $35.41



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 2 Pole Toggle Series trip W6 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W92-X112-1
 Enlarge
TE Connectivity / P&B Circuit Breakers 1A 2 POLE 2 TOGGLE
Page 2,132

Data Sheet
35
In Stock
1: $51.53
10: $46.22
25: $45.09
50: $40.78
100: $40.52



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 1 A 277 V 2 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity W92-X112-40
 Enlarge
TE Connectivity Circuit Breakers CIRCUIT BREAKER SWITCH 40A BLK
Data Sheet 20
In Stock
1: $52.05
5: $49.84
10: $47.92
25: $44.19
50: View



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 40 A 277 V 2 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
TE Connectivity / P&B W92-X112-25
 Enlarge
TE Connectivity / P&B Circuit Breakers 25AMP 277VAC TOGGLE 2 POLE
Data Sheet 31
In Stock
1: $73.53
5: $66.84
10: $60.78
25: $54.69



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 25 A 277 V 2 Pole Toggle Series trip W9 - 40 C to + 85 C Not Illuminated
Phoenix Contact 0914138
 Enlarge
Phoenix Contact Circuit Breakers TMC 1 F1 100 5.0A
Data Sheet 22
In Stock
1: $78.42
10: $71.57
25: $69.69
50: $67.40
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
TE Connectivity / P&B W93-X112-50
 Enlarge
TE Connectivity / P&B Circuit Breakers 50A 3 POLE TOGGLE
Page 2,132

Data Sheet
13
In Stock
1: $94.90
10: $88.57
25: $83.03
50: $75.13
100: $68.46



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 277 V 3 Pole 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: $4.19
200: $3.60



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
Schurter 4404.0010
 Enlarge
Schurter Circuit Breakers 15A 0.25" QC Snap-in front
Page 2,940

Data Sheet
704
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 4404.0024
 Enlarge
Schurter Circuit Breakers 16A 0.25" QC Threaded neck
Page 2,940

Data Sheet
590
In Stock
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 4404.0004
 Enlarge
Schurter Circuit Breakers 10A 240V AC / 48V DC SNAP-IN MOUNT
Page 2,940

Data Sheet
915
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 10 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C Not Illuminated
Qualtek QMB-203-11C3N-3BA Qualtek Circuit Breakers 20A FRT PNL PLASTIC .250 QC TAB
Data Sheet 771
In Stock
1: $2.05
50: $1.80
100: $1.64
250: $1.56



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 20 A 125 V to 250 V 32 V 1 Pole Pushbutton QMB Not Illuminated
Carling Technologies CTB-B-B-15 Carling Technologies Circuit Breakers 15 AMP 50VDC PNL MNT
Page 2,130

Data Sheet
545
In Stock
1: $2.18
10: $1.87
25: $1.72
50: $1.45



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 250 V 32 V 1 Pole Rocker CTB - 10 C to + 60 C Not Illuminated
Carling Technologies CMB-153-11C3N-B-A
 Enlarge
Carling Technologies Circuit Breakers 15 AMP PLASTIC BLK
Page 2,130

Data Sheet
692
In Stock
1: $2.55
10: $2.35
25: $2.20
50: $2.01
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 15 A 125 V to 250 V 32 V 1 Pole Pushbutton C - 10 C to + 60 C Not Illuminated
Schurter TS-709-5H
 Enlarge
Schurter Circuit Breakers 5A Thermal Reset 1-pole thread w/ nut
Page 2,941

Data Sheet
301
In Stock
1: $3.06
10: $2.73
25: $2.45
50: $2.32
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 125 V, 250 V 32 V 1 Pole Pushbutton TS-709 - 10 C to + 60 C Not Illuminated
Schurter 4404.0098
 Enlarge
4404.0098

New Product
New Product


Schurter Circuit Breakers 1 pole 5A THT Term for PCB mounting
Page 2,134

Data Sheet
597
In Stock
1: $3.20
50: $2.94
100: $2.71
500: $2.15
1,000: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 240 V 48 V 1 Pole Pushbutton Trip Free T9-820 - 5 C to + 60 C Not Illuminated
Compare up to 20 parts.
7497
Images are for reference only
See Product Specifications