Contact Mouser (USA)  (800) 346-6873     |     Feedback        
View Cart     |     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 7,500 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
Carling Technologies AA1-B0-34-630-3B1-C
Enlarge
Carling Technologies Circuit Breakers 30 AMP ONE POLE
Page 2,129

Data Sheet
12
In Stock
1: $23.55
10: $16.68
25: $15.41
50: $13.74



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 80 V 1 Pole Handle Series Trip (Current) A - 40 C to + 85 C Not Illuminated
Schurter 4430.2597
Enlarge
Schurter Circuit Breakers TA45 GREEN ROCKER
Data Sheet 14
In Stock
1: $23.60
10: $20.98
25: $18.87
50: $17.83
100: $15.25



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 20 A 240 V 60 V 1 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter Circuit Breakers CBE T12-221-10
Data Sheet 14
In Stock
1: $23.70



Min.: 1
Mult.: 1
Circuit Breakers 10 A 1 Pole Pushbutton T12 - 5 C to + 60 C
Schurter Circuit Breakers CBE T12-221-1
Data Sheet 19
In Stock
1: $23.70



Min.: 1
Mult.: 1
T12
Carling Technologies BA1-B0-34-620-121-D
Enlarge
Carling Technologies Circuit Breakers 20 A ONE POLE
Page 2,129

Data Sheet
17
In Stock
1: $24.20
10: $17.13
25: $15.82
50: $14.11



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 20 A 277 V 80 V 1 Pole Handle Series Trip (Current) B - 40 C to + 85 C Not Illuminated
Carling Technologies MF1-B-34-620-3-JC2-B-C
Enlarge
Carling Technologies Circuit Breakers 20 A ONE POLE GREEN
Data Sheet 9
In Stock
1: $24.31
10: $19.03
25: $18.40
50: $16.73



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 20 A 125 V, 250 V 80 V 1 Pole Rocker Series Trip (Current) M - 40 C to + 85 C Illuminated
MD1-B-32-610-3-A15-2-C

New At Mouser
New At Mouser


Carling Technologies Circuit Breakers 1 pole, 10A, blk non illuminated
Data Sheet 16
In Stock
1: $24.42
10: $22.20
25: $20.36
50: $18.78
150: $14.24



Min.: 1
Mult.: 1
Carling Technologies AC1-B0-34-620-5F1-C
Enlarge
Carling Technologies Circuit Breakers 620 AMP C/B
Data Sheet 14
In Stock
1: $25.88
10: $20.94
25: $20.00
50: $18.62
100: $16.75



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 80 V 1 Pole Rocker Series Trip (Current) A - 40 C to + 85 C Not Illuminated
Carling Technologies AA1-B0-34-620-3B1-C
Enlarge
Carling Technologies Circuit Breakers 20 AMP ONE POLE
Page 2,129

Data Sheet
12
In Stock
1: $25.90
10: $18.34
25: $16.95
50: $15.11



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 80 V 1 Pole Handle Series Trip (Current) A - 40 C to + 85 C Not Illuminated
Carling Technologies AA1-B0-34-615-3B1-C
Enlarge
Carling Technologies Circuit Breakers 15 AMP ONE POLE
Page 2,129

Data Sheet
22
In Stock
1: $25.90
10: $18.34
25: $16.95
50: $15.11



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 80 V 1 Pole Handle Series Trip (Current) A - 40 C to + 85 C Not Illuminated
Schurter Circuit Breakers CBE T12-221S-1.5
Data Sheet 20
In Stock
1: $26.05



Min.: 1
Mult.: 1
T12
Schurter 4430.2302
Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 2 A
Page 2,134

Data Sheet
25
In Stock
1: $26.20
10: $23.45
25: $21.15
50: $19.89



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 2 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter Circuit Breakers CBE TA45 A126F160C0-753-AZM01
Data Sheet 11
In Stock
1: $26.42
5: $25.59
10: $23.45
20: $21.32
50: $16.58



Min.: 1
Mult.: 1
TA45
Schurter Circuit Breakers CBE TA45-A624F200C0
Data Sheet 20
In Stock
1: $26.98



Min.: 1
Mult.: 1
TA45
Schurter Circuit Breakers CBE TA45-A624F160C0
Data Sheet 16
In Stock
1: $26.98



Min.: 1
Mult.: 1
TA45
Carling Technologies AC1-B0-34-615-131-D
Enlarge
Carling Technologies Circuit Breakers 15 A ONE POLE
Data Sheet 10
In Stock
1: $27.29
10: $19.33
25: $17.85
50: $15.92



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 80 V 1 Pole Rocker Series Trip (Current) A - 40 C to + 85 C Not Illuminated
Carling Technologies CA1-B0-34-650-121-D
Enlarge
Carling Technologies Circuit Breakers 50 A ONE POLE
Data Sheet 10
In Stock
1: $27.52
10: $19.49
25: $18.00
50: $16.05



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 277 V 80 V 1 Pole Handle Series Trip (Current) C - 55 C to + 85 C Not Illuminated
Carling Technologies CA1-B2-24-615-122-C
Enlarge
Carling Technologies Circuit Breakers Circuit Breaker Mag Hyd. 1Pole 15A 480V
Data Sheet 8
In Stock
1: $28.27
5: $27.26
10: $25.44
20: $24.22
50: $18.28



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 80 V 1 Pole Handle Series Trip (Current) C - 40 C to + 85 C Not Illuminated
Carling Technologies CA1-B0-26-620-121-C
Enlarge
Carling Technologies Circuit Breakers 20A 1 POLE
Data Sheet 13
In Stock
1: $28.39
10: $20.19
25: $18.50
50: $16.86



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 80 V 1 Pole Handle Series Trip (Current) C - 55 C to + 85 C Not Illuminated
Phoenix Contact 0902043
Enlarge
Phoenix Contact Circuit Breakers TMC 61C 03A
Data Sheet 6
In Stock
1: $28.83
10: $26.32
25: $25.63
50: $24.78
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 3 A 240 V, 415 V 1 Pole Handle TMC 60 Not Illuminated
Phoenix Contact 0902056
Enlarge
Phoenix Contact Circuit Breakers TMC 61C 04A
Data Sheet 16
In Stock
1: $28.83
10: $26.32
25: $25.63
50: $24.78
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 4 A 240 V, 415 V 1 Pole Handle TMC 60 Not Illuminated
Phoenix Contact 0902014
Enlarge
Phoenix Contact Circuit Breakers TMC 61C 0.5A
Data Sheet 16
In Stock
1: $28.83
10: $26.32
25: $25.63
50: $24.78
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 500 mA 240 V, 415 V 1 Pole Handle TMC 60 Not Illuminated
Carling Technologies MF1-B-34-620-3-MD2-B-C
Enlarge
Carling Technologies Circuit Breakers 20 A ONE POLE AMBER
Data Sheet 27
In Stock
1: $29.36
10: $22.98
25: $22.22
50: $20.20



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 20 A 125 V, 250 V 80 V 1 Pole Rocker Series Trip (Current) M - 40 C to + 85 C Illuminated
Carling Technologies AC1-B0-34-610-1G2-C
Enlarge
Carling Technologies Circuit Breakers 10 A ONE POLE ISO M3x5Mmm
Data Sheet 22
In Stock
1: $30.01
10: $27.51
25: $26.26
50: $25.01
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 1 Pole Rocker Series Trip (Current) A - 40 C to + 85 C Not Illuminated
Carling Technologies AC1-B0-34-610-1G1-C
Enlarge
Carling Technologies Circuit Breakers 10 A ONE POLE
Page 2,129

Data Sheet
14
In Stock
1: $30.01
10: $21.26
25: $19.63
50: $17.51



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 1 Pole Rocker Series Trip (Current) A - 40 C to + 85 C Not Illuminated
Compare up to 20 parts.
7500