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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 7,501 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 4430.2196
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Schurter Circuit Breakers TA45 BLK ROCKER 20A
Page 2,134

Data Sheet
59
In Stock
1: $20.54
10: $18.25
25: $16.42
50: $15.51
100: $14.63



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 20 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter 4430.2306
Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 20A
Page 2,134

Data Sheet
31
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 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Phoenix Contact 0902108
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Phoenix Contact Circuit Breakers TMC 61C 20A
Data Sheet 42
In Stock
1: $28.83
10: $26.32
25: $25.63
50: $24.78
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 20 A 240 V, 415 V 1 Pole Handle TMC 60 Not Illuminated
Phoenix Contact 0902072
Enlarge
Phoenix Contact Circuit Breakers TMC 61C 10A
Data Sheet 49
In Stock
1: $28.83
10: $26.32
25: $25.63
50: $24.78
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 10 A 240 V, 415 V 1 Pole Handle TMC 60 Not Illuminated
Phoenix Contact 0902111
Enlarge
Phoenix Contact Circuit Breakers TMC 61C 25A 25A CIRCUIT BREAKER
Data Sheet 33
In Stock
1: $28.83
10: $26.32
25: $25.63
50: $24.78
100: View



Min.: 1
Mult.: 1
Thermal Magnetic Circuit Breakers Thermomagnetic 25 A 1 Pole TMC Not Illuminated
Carling Technologies MF1-B-34-620-3-JE2-B-C
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Carling Technologies Circuit Breakers 20 A ONE POLE GRAY
Data Sheet 42
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
Phoenix Contact 2800840
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2800840

New Product
New Product


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
41
In Stock
1: $41.84
10: $38.19
25: $37.19
50: $35.96
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
Phoenix Contact 2800837
Enlarge
2800837

New Product
New Product


Phoenix Contact Circuit Breakers CB TM1 2A SFB P
Page 2,133

Data Sheet
26
In Stock
1: $41.84
10: $38.19
25: $37.19
50: $35.96
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 2 A 240 V, 277 V 50 V 1 Pole Slide Trip Free CB TM1 - 30 C to + 60 C Not Illuminated
Phoenix Contact 2800845
Enlarge
2800845

New Product
New Product


Phoenix Contact Circuit Breakers CB TM1 16A SFB P
Page 2,133

Data Sheet
28
In Stock
1: $41.84
10: $38.19
25: $37.19
50: $35.96
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 16 A 240 V, 277 V 50 V 1 Pole Slide Trip Free CB TM1 - 30 C to + 60 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
30
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 Poles Handle Series Trip (Current) B - 40 C to + 85 C Not Illuminated
Carling Technologies C12-B0-34-635-131-E
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Carling Technologies Circuit Breakers 35A TWO POLE FLAT ROCKER RED
Data Sheet 20
In Stock
1: $70.07
25: $67.76
50: $61.60
100: $60.06
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 35 A 277 V 80 V 2 Poles Rocker Series Trip (Current) C - 55 C to + 85 C Not Illuminated
Carling Technologies C12-B0-34-620-131-E
Enlarge
Carling Technologies Circuit Breakers 20A TWO POLE FLAT ROCKER RED
Data Sheet 17
In Stock
1: $70.07
25: $67.76
50: $61.60
100: $60.06
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 20 A 277 V 80 V 2 Poles Rocker Series Trip (Current) C - 55 C to + 85 C Not Illuminated
Carling Technologies CA2-B0-34-650-121-D
Enlarge
Carling Technologies Circuit Breakers 50 A TWO POLE
Page 2,129

Data Sheet
21
In Stock
1: $75.48
10: $53.47
25: $49.38
50: $44.03



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 50 A 277 V 80 V 2 Poles Handle Series Trip (Current) C - 40 C to + 85 C Not Illuminated
Carling Technologies CA2-B0-34-620-121-D
Enlarge
Carling Technologies Circuit Breakers 20 A TWO POLE
Page 2,129

Data Sheet
24
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 20 A 277 V 80 V 2 Poles Handle Series Trip (Current) C - 40 C to + 85 C Not Illuminated
Phoenix Contact 0914138
Enlarge
Phoenix Contact Circuit Breakers TMC 1 F1 100 5.0A
Data Sheet 12
In Stock
1: $77.38
10: $70.62
25: $68.77
50: $66.51
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
Phoenix Contact 0914167
Enlarge
Phoenix Contact Circuit Breakers TMC 1 F1 100 10.0A
Data Sheet 19
In Stock
1: $77.38
10: $70.62
25: $68.77
50: $66.51
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 10 A 250 V 65 V 1 Pole Toggle TMC - 30 C to + 60 C Not Illuminated
Phoenix Contact 0903023
Enlarge
Phoenix Contact Circuit Breakers EC-E1 1A 1 A, N/O SIGNAL CNT
Page 2,939

Data Sheet
20
In Stock
1: $83.40
10: $76.12
25: $74.12
50: $71.68
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Electronic 1 A 24 V 1 Pole Slide Switch EC-E 0 C to + 50 C Not Illuminated
Carling Technologies EA3-B0-66-490-11A-GB
Enlarge
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 Poles Handle Series Trip (Current) E - 40 C to + 85 C Not Illuminated
Qualtek QLB-253-11B3N-3BA
Enlarge
Qualtek Circuit Breakers 25A FRT PANEL METAL .250 QC TAB
Page 2,939

Data Sheet
598
In Stock
1: $2.15
50: $1.87
100: $1.72
250: $1.63



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 25 A 125 V to 250 V 32 V 1 Pole Pushbutton QLB Not Illuminated
TE Connectivity / P&B W28-XT1A-3
Enlarge
TE Connectivity / P&B Circuit Breakers
Data Sheet 391
In Stock
1: $2.87
25: $2.51
50: $2.38
100: $1.84



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 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
587
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 W28-XQ1A-12
Enlarge
TE Connectivity / P&B Circuit Breakers 12A PUSH TO RESET
Page 2,131

Data Sheet
519
In Stock
1: $3.01
10: $2.81
25: $2.63
50: $2.38
100: $1.88



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 12 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XT1A-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Data Sheet 463
In Stock
More Info Available
1: $3.28
10: $3.06
25: $2.86
50: $2.59
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 Not Illuminated
TE Connectivity / P&B W51-A121B1-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A ROCKR ACT RED ILL
Page 2,132

Data Sheet
362
In Stock
1: $3.54
10: $3.31
25: $3.09
50: $2.80
100: $2.21



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
TE Connectivity / P&B W51-A122B1-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A RCKR ACT RED ILL
Page 2,132

Data Sheet
318
In Stock
1: $3.77
10: $3.51
25: $3.28
50: $2.97
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Illuminated
Compare up to 20 parts.
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