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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 8,572 Matches  

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Compare up to 20 parts.
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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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Schurter TA45-ABDBL150C0
Enlarge		 Schurter Circuit Breakers TA45 BLK ROCKER 15A Page 2,026

 Data Sheet 		184
In Stock
1: $18.10
10: $16.15
25: $14.50
50: $13.73



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Phoenix Contact 0916605
Enlarge		 Phoenix Contact Circuit Breakers UT 6-TMC M 2A Page 2,025

 Data Sheet 		151
In Stock
1: $16.08
10: $15.08
25: $14.38
50: $13.87
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 2 A 240 V 28 V 1 Pole Pushbutton UT 6- TMC M - 30 C to + 60 C No
Schurter TA45-A326L150C0
Enlarge		 Schurter Circuit Breakers TA45 ORANGE RCKR 15A Page 2,026

 Data Sheet 		69
In Stock
1: $26.23
10: $23.72
25: $21.17
50: $20.00



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
TE Connectivity / P&B W58-XB1A4A-15
Enlarge		 TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET Page 2,024

 Data Sheet 		1,421
In Stock
1: $4.61
10: $4.29
25: $3.54
50: $3.15
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C No
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 		71
In Stock
1: $27.80
10: $25.94
25: $24.31
50: $22.01
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Yes
TE Connectivity / P&B W91-X112-5
Enlarge		 TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK 94
In Stock
1: $20.83
5: $19.45
10: $18.86
25: $18.28
50: $16.49



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 277 V 1 Pole Toggle Series Trip W9 - 40 C to + 85 C No
TE Connectivity / P&B W58-XB1A4A-3
Enlarge		 TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET Page 2,024

 Data Sheet 		370
In Stock
1: $7.03
10: $6.61
25: $6.15
50: $5.56
100: $4.39



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C No
TE Connectivity / P&B W28-XQ1A-3
Enlarge		 TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET Page 2,023

 Data Sheet 		2,915
In Stock
More Info Available
1: $2.93
10: $2.73
25: $2.56
50: $2.44
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C No
TE Connectivity / P&B W28-XQ1A-10
Enlarge		 TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET Page 2,023

 Data Sheet 		823
In Stock
1: $3.19
10: $2.97
25: $2.79
50: $2.52
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C No
TE Connectivity / P&B W58-XB1A4A-2
Enlarge		 TE Connectivity / P&B Circuit Breakers 2A PUSH TO RESET Page 2,024

 Data Sheet 		471
In Stock
1: $7.17
10: $6.74
25: $6.27
50: $5.67
100: $4.48



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C No
TE Connectivity / P&B W31-X2M1G-2
Enlarge		 TE Connectivity / P&B Circuit Breakers 2A TOGGLE ACTUATOR Page 2,023

 Data Sheet 		100
In Stock
1: $43.54
10: $40.87
25: $38.09
50: $34.46
100: $27.21



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 No
TE Connectivity / P&B W51-A121B1-15
Enlarge		 TE Connectivity / P&B Circuit Breakers 15A RCKR ACT RED ILL Page 2,024

 Data Sheet 		860
In Stock
More Info Available
1: $3.64
10: $3.39
25: $3.17
50: $2.87
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 125 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Yes
TE Connectivity / P&B W51-A122B1-8
Enlarge		 TE Connectivity / P&B Circuit Breakers CIRCUIT BRKER 1POLE 8Amps Rocker Data Sheet 599
In Stock
1: $3.77
25: $3.29
50: $2.98
100: $2.35
200: View



Min.: 1
Mult.: 1


Thermal Circuit Breakers Supplementary Protector 8 A 250 V 50 V 1 Pole Rocker Trip Free - Switchable W51 0 C to + 60 C Yes
TE Connectivity / P&B W23-X1A1G-10
Enlarge		 TE Connectivity / P&B Circuit Breakers 10A PUSH/PULL ACT. Page 2,023

 Data Sheet 		79
In Stock
1: $24.19
10: $23.56
25: $21.16
50: $19.15
100: $16.40



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C No
TE Connectivity / P&B W28-XQ1A-0.25
Enlarge		 TE Connectivity / P&B Circuit Breakers 0.25A PUSH TO RESET Page 2,023

 Data Sheet 		1,691
In Stock
1: $5.40
10: $5.03
25: $4.72
50: $4.27
100: $3.37



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 0.25 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C No
TE Connectivity / P&B W31-X2M1G-3
Enlarge		 TE Connectivity / P&B Circuit Breakers 3A TOGGLE ACTUATOR Page 2,023

 Data Sheet 		87
In Stock
1: $41.85
10: $39.06
25: $36.62
50: $33.13
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C No
TE Connectivity / P&B W31-X2M1G-1
Enlarge		 TE Connectivity / P&B Circuit Breakers 1A TOGGLE ACTUATOR Page 2,023

 Data Sheet 		69
In Stock
1: $43.54
10: $40.87
25: $38.09
50: $34.46
100: $27.21



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C No
TE Connectivity / P&B W28-XQ1A-15
Enlarge		 TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET Page 2,023

 Data Sheet 		1,929
In Stock
1: $3.00
10: $2.80
25: $2.74
50: $2.47
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C No
TE Connectivity / P&B W23-X1A1G-25
Enlarge		 TE Connectivity / P&B Circuit Breakers 25A PUSH/PULL ACT. Page 2,023

 Data Sheet 		103
In Stock
1: $22.80
10: $21.28
25: $19.95
50: $18.05
100: $14.25



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C No
TE Connectivity / P&B W31-X2M1G-25
Enlarge		 TE Connectivity / P&B Circuit Breakers 25A TOGGLE ACTUATOR Page 2,023

 Data Sheet 		87
In Stock
1: $29.51
10: $27.53
25: $25.81
50: $23.35
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C No
MA2-B-24-612-1-A14-2-D


New At Mouser

Carling Technologies Circuit Breakers Data Sheet 80
In Stock
1: $27.50
10: $25.38
50: $23.78
100: $20.94



Min.: 1
Mult.: 1


Hydraulic Magnetic Circuit Breakers Supplementary Protector 12 A 125 V, 250 V 80 V 2 Poles Rocker Series Trip (Current) M Series - 40 C to + 85 C No
Phoenix Contact 0902030
Enlarge		 Phoenix Contact Circuit Breakers TMC 61C 02A Data Sheet 48
In Stock
1: $27.99
10: $25.55
25: $24.88
50: $24.06
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 2 A 240 V, 415 V 1 Pole Handle TMC 60 No
Phoenix Contact 0700030
Enlarge		 Phoenix Contact Circuit Breakers TCP 30/DC32V Data Sheet 98
In Stock
1: $13.33
10: $12.97
50: $12.13
100: $10.30
500: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device 30 A 32 V 1 Pole Pushbutton TCP - 30 C to + 60 C No
Carling Technologies C12-B0-34-610-131-E
Enlarge		 Carling Technologies Circuit Breakers 10A TWO POLE FLAT ROCKER RED Data Sheet 15
In Stock
1: $63.70
25: $61.60
50: $56.00
100: $54.60
500: View



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 80 V 2 Poles Rocker Series Trip (Current) C - 55 C to + 85 C No
Phoenix Contact 0903026
Enlarge
651-0903026


To purchase full reel, order in multiples of 6:
Phoenix Contact Circuit Breakers EC-E1 4A 4 A, N/O SIGNAL CNT Data Sheet 11
In Stock
Cut Tape
1: $83.00
5: $80.72
Reel
6: $80.72
10: $76.36
25: $70.53
50: View



Min.: 1
Mult.: 1
Reel: 6
Device Circuit Breakers Electronic 4 A 24 V 1 Pole Slide Switch EC-E 0 C to + 50 C No
Compare up to 20 parts.
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