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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 8,572 Matches  

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Compare up to 20 parts.
Page: Previous12345678910...343Next
Select ImageMouser Part # Mfr. Part # Mfr. Description 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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Carling Technologies BA1-B0-34-610-121-D
Enlarge		 Carling Technologies Circuit Breakers 10 A ONE POLE Page 2,021

 Data Sheet 		35
In Stock
1: $22.00
10: $15.58
25: $14.39
50: $12.83
100: $11.89



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 10 A 277 V 80 V 1 Pole Handle Series Trip (Current) B - 40 C to + 85 C No
Phoenix Contact 0712123
Enlarge		 Phoenix Contact Circuit Breakers TCP 0.25 AMPS Data Sheet 15
In Stock
1: $14.63
10: $13.35
25: $13.00
50: $12.57
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 0.25 A 250 V 65 V 1 Pole TCP - 20 C to + 60 C No
Carling Technologies CA2-B0-34-615-121-C
Enlarge		 Carling Technologies Circuit Breakers 15 A TWO POLE Data Sheet 8
In Stock
1: $62.96
25: $60.88
50: $55.35
100: $53.96
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 15 A 277 V 80 V 2 Poles Handle Series Trip (Current) C - 40 C to + 85 C No
Carling Technologies CA3-B0-34-630-121-D
Enlarge		 Carling Technologies Circuit Breakers 3 PLOE 30 AMPS Page 2,021

 Data Sheet 		10
In Stock
1: $119.94
10: $109.51
25: $104.30
50: $99.08
100: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 30 A 277 V 80 V 3 Poles Handle Series Trip (Current) C - 40 C to + 85 C No
Carling Technologies A11-B0-34-615-131-E
Enlarge		 Carling Technologies Circuit Breakers 15A 1 POLE .250 QC FLAT ROCKER RED Data Sheet 23
In Stock
1: $22.76
25: $22.01
50: $20.00
100: $19.51
500: View



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 No
Carling Technologies BA2-B0-34-425-121-D
Enlarge		 Carling Technologies Circuit Breakers 2.5 A TWO POLE Page 2,021

 Data Sheet 		10
In Stock
1: $59.93
10: $41.22
25: $36.65
50: $33.20
100: $31.45



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector 2.5 A 277 V 80 V 2 Poles Handle Series Trip (Current) B - 40 C to + 85 C No
Schurter T11-311-2
Enlarge		 Schurter Circuit Breakers .250 QC SP THERML 2A Page 2,739

 Data Sheet 		50
In Stock
1: $7.06
10: $6.28
25: $5.65
50: $5.33
100: $4.67



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 2 A 240 V 48 V 1 Pole Pushbutton ON/OFF T11 - 5 C to + 60 C No
Carling Technologies CLB-133-11B3A-B-A
Enlarge		 Carling Technologies Circuit Breakers 13 AMP METAL BLK Data Sheet 204
In Stock
1: $3.32
10: $2.75
25: $2.60
50: $2.49
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Thermal 13 A 125 V to 250 V 32 V 1 Pole Pushbutton CLB - 10 C to + 60 C No
Schurter TS-709-15K
Enlarge		 Schurter Circuit Breakers 15A Thermal Reset 1-pole thread w/ nut Page 2,740

 Data Sheet 		177
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 No
Schurter T11-311-1
Enlarge		 Schurter Circuit Breakers .250 QC SP THERML 1A Page 2,739

 Data Sheet 		70
In Stock
1: $7.06
10: $6.28
25: $5.65
50: $5.33
100: $4.67



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 No
Phoenix Contact 0700040
Enlarge		 Phoenix Contact Circuit Breakers TCP 40/DC32V Data Sheet 31
In Stock
1: $11.15
10: $10.32
50: $9.52
100: $8.84
500: $8.00



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device 40 A 32 V 1 Pole Pushbutton TCP - 30 C to + 60 C No
Schurter T9-311C-14
Enlarge		 Schurter Circuit Breakers 14A 0.25" QC Threaded neck Page 2,739

 Data Sheet 		98
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 14 A 240 V 48 V 1 Pole Pushbutton T9 - 5 C to + 60 C No
Schurter TA45-ABDBP150C0
Enlarge		 Schurter Circuit Breakers TA45 BLK ROCKER 15A Data Sheet 16
In Stock
1: $22.64
10: $20.13
25: $18.11
50: $17.09
100: $14.63



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 240 V 60 V 2 Poles Rocker TA45 - 10 C to + 55 C
Schurter TA45-A341F050C0
Enlarge		 Schurter Circuit Breakers 2-Pole illum clear w/ ON/OFF switch Data Sheet 15
In Stock
1: $32.68
10: $29.06
25: $26.15
50: $24.70
100: $21.12



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 5 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Carling Technologies EA2-B0-26-640-32E-HB
Enlarge
EA2-B0-26-640-32E-HB


New Product

Carling Technologies Circuit Breakers Cir Bkr, Hyd/Mag 2 Pole, Blk Act, 40A Page 2,021

 Data Sheet 		15
In Stock
1: $77.49
5: $52.24
10: $44.75
25: $41.77



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 40 A 600 V 125 V 2 Poles Handle Series Trip (Current) E - 40 C to + 85 C No
Schurter T9-611P-12
Enlarge		 Schurter Circuit Breakers 12A 240V AC / 48V DC SNAP-IN MOUNT Page 2,739

 Data Sheet 		412
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 No
Schurter TA45-A326LJ05C0
Enlarge		 Schurter Circuit Breakers TA45 ORANGE RCKR .5A Data Sheet 10
In Stock
1: $32.68
10: $29.06
25: $26.15
50: $24.70
100: $21.12



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 0.5 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter TS-709-5H
Enlarge		 Schurter Circuit Breakers 5A Thermal Reset 1-pole thread w/ nut Page 2,740

 Data Sheet 		174
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 No
Schurter TA45-ABDBLJ05C0
Enlarge		 Schurter Circuit Breakers TA45 BLK ROCKER 0.5A Page 2,026

 Data Sheet 		18
In Stock
1: $21.57
10: $19.17
25: $17.25
50: $16.28
100: $14.63



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 0.5 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Carling Technologies CA2-B0-34-610-121-C
Enlarge		 Carling Technologies Circuit Breakers 10 A TWO POLE Data Sheet 8
In Stock
1: $57.23
25: $55.34
50: $50.31
100: $49.05
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 2 Poles Handle Series Trip (Current) C - 40 C to + 85 C No
Schurter T11-211-1
Enlarge		 Schurter Circuit Breakers .250 QC SP THERML 1A Page 2,739

 Data Sheet 		104
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 No
Schurter 4420.0231
Enlarge
4420.0231


New At Mouser

Schurter Circuit Breakers CBE AS168X-CB1G040 Data Sheet 10
In Stock
1: $30.81



Min.: 1
Mult.: 1


Circuit Breakers 4 A 1 Pole Handle Supplementary Protectors AS168XAC1 - 20 C to + 60 C No
Carling Technologies AA1-B0-46-620-1B1-C
Enlarge		 Carling Technologies Circuit Breakers 20 Amp 1 POLE Data Sheet 18
In Stock
1: $22.32
10: $19.64
25: $18.00
50: $15.81



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 Series - 40 C to + 85 C No
Phoenix Contact 0903025
Enlarge		 Phoenix Contact Circuit Breakers EC-E1 3A 3 A, N/O SIGNAL CNT Data Sheet 3
In Stock
1: $83.00
5: $80.72
10: $76.36
25: $70.53
50: View



Min.: 1
Mult.: 1
Device Circuit Breakers Electronic 3 A 24 V 1 Pole Slide Switch EC-E 0 C to + 50 C No
Carling Technologies CA3-B0-34-610-121-D
Enlarge		 Carling Technologies Circuit Breakers 3 POLE 10 AMPS Data Sheet 7
In Stock
1: $114.70
10: $104.28
25: $93.85
50: $83.42



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 3 Poles Handle Series Trip (Current) C - 40 C to + 85 C No
Compare up to 20 parts.
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