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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 7,635 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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Bourns NR77AB0
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NR77AB0

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Bourns Circuit Breakers TRIP TEMP 77C 5C TOL
Data Sheet 10,000
In Stock
1: $1.59
10: $1.45
25: $1.40
50: $1.20
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers High Current 25 A 2 Pole Self-Reset NR-A 0 C to + 77 C Not Illuminated
Bourns LC77AY-1
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LC77AY-1

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Bourns Circuit Breakers TRIP TEMP 77C 5C TOL
Data Sheet 9,997
In Stock
1: $1.43
10: $1.31
25: $1.26
50: $1.08
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Low Current 12 A 2 Pole Self-Reset LC 0 C to + 77 C Not Illuminated
Bourns HC77AY-1
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HC77AY-1

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Bourns Circuit Breakers TRIP TEMP 77C 5C TOL
Data Sheet 10,000
In Stock
1: $1.48
10: $1.35
25: $1.30
50: $1.12
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers High Current 25 A 2 Pole Self-Reset HC 0 C to + 77 C Not Illuminated
W67-X2Q13-5

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TE Connectivity / P&B Circuit Breakers W67-X2Q13-5=M6/M7/M9/W6/W7
Data Sheet 24
In Stock
1: $38.52
5: $34.44
10: $30.82
25: $28.67
50: $27.37



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 5 A 240 V, 415 V 1 Pole Toggle Series trip W6 - 40 C to + 85 C Not Illuminated
Bourns LC72AY-1
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LC72AY-1

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Bourns Circuit Breakers TRIP TEMP 72C 5C TOL
Data Sheet 500
In Stock
1: $1.43
10: $1.31
25: $1.26
50: $1.08
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Low Current 12 A 2 Pole Self-Reset LC 0 C to + 72 C Not Illuminated
Bourns HC72AY-1
 Enlarge
HC72AY-1

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Bourns Circuit Breakers TRIP TEMP 72C 5C TOL
Data Sheet 467
In Stock
1: $1.48
10: $1.35
25: $1.30
50: $1.12
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers High Current 25 A 2 Pole Self-Reset HC 0 C to + 72 C Not Illuminated
Bourns LC82AY-1
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LC82AY-1

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Bourns Circuit Breakers TRIP TEMP 82C 5C TOL
Data Sheet 500
In Stock
1: $1.48
10: $1.35
25: $1.30
50: $1.12
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Low Current 12 A 2 Pole Self-Reset LC 0 C to + 82 C Not Illuminated
Bourns LC85AY-1
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LC85AY-1

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Bourns Circuit Breakers TRIP TEMP 85C 5C TOL
Data Sheet 500
In Stock
1: $1.48
10: $1.35
25: $1.30
50: $1.12
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Low Current 12 A 2 Pole Self-Reset LC 0 C to + 85 C Not Illuminated
Bourns HC85AY-1
 Enlarge
HC85AY-1

New Product
New Product


Bourns Circuit Breakers TRIP TEMP 85C 5C TOL
Data Sheet 500
In Stock
1: $1.55
10: $1.41
25: $1.36
50: $1.16
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers High Current 25 A 2 Pole Self-Reset HC 0 C to + 85 C Not Illuminated
Bourns HC82AY-1
 Enlarge
HC82AY-1

New Product
New Product


Bourns Circuit Breakers TRIP TEMP 82C 5C TOL
Data Sheet 500
In Stock
1: $1.55
10: $1.41
25: $1.36
50: $1.16
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers High Current 25 A 2 Pole Self-Reset HC 0 C to + 82 C Not Illuminated
Bourns HC90AY-1
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HC90AY-1

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Bourns Circuit Breakers TRIP TEMP 90C 5C TOL
Data Sheet 500
In Stock
1: $1.55
10: $1.41
25: $1.36
50: $1.16
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers High Current 25 A 2 Pole Self-Reset HC 0 C to + 90 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-20
 Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,040

Data Sheet
8,172
In Stock
1: $2.72
10: $2.57
25: $2.32
50: $2.06
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 32 V 1 Pole Pushbutton Series trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,040

Data Sheet
9,949
In Stock
1: $3.01
10: $2.80
25: $2.63
50: $2.34
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 Not Illuminated
TE Connectivity / P&B W28-XQ1A-3
 Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET
Page 2,040

Data Sheet
6,202
In Stock
1: $2.54
10: $2.19
25: $2.05
50: $1.94
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 Not Illuminated
TE Connectivity / P&B W28-XQ1A-7
 Enlarge
TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET
Page 2,040

Data Sheet
6,025
In Stock
1: $2.57
10: $2.24
25: $2.04
50: $1.91
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 7 A 250 V 32 V 1 Pole Pushbutton Series trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-5
 Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,040

Data Sheet
5,159
In Stock
1: $3.01
10: $2.85
25: $2.57
50: $2.28
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 32 V 1 Pole Pushbutton Series trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,040

Data Sheet
6,411
In Stock
1: $3.04
10: $2.65
25: $2.48
50: $2.32
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 Not Illuminated
TE Connectivity / P&B W28-XQ1A-2
 Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH TO RESET
Page 2,040

Data Sheet
2,152
In Stock
1: $5.80
10: $5.49
25: $5.03
50: $4.61
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 250 V 32 V 1 Pole Pushbutton Series trip W28 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0712217
 Enlarge
Phoenix Contact Circuit Breakers TCP 2 AMPS
Page 2,042

Data Sheet
797
In Stock
1: $15.29
10: $13.96
25: $13.59
50: $13.14
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermal Device Terminal Block 2 A 250 V 65 V TCP - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH/PULL ACT.
Page 2,040

Data Sheet
367
In Stock
1: $22.86
10: $21.60
25: $19.58
50: $17.87
100: $16.72



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 240 V 50 V 1 Pole Pushbutton Series trip W23 - 20 C to + 60 C Not Illuminated
Schurter 4430.2078
 Enlarge
Schurter Circuit Breakers TA45 BLK ROCKER 10A
Page 2,043

Data Sheet
626
In Stock
1: $17.84
10: $15.86
25: $15.23
50: $14.47



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 60 V 2 Pole Rocker ON/OFF TA45 - 10 C to + 55 C
TE Connectivity / P&B W57-XB7A4A10-10
 Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH TO RESET
Page 2,040

Data Sheet
1,141
In Stock
1: $1.96
10: $1.88
25: $1.59
50: $1.43
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 250 V 1 Pole Pushbutton Series trip W57 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W57-XB7A4A10-15
 Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,040

Data Sheet
1,961
In Stock
1: $2.16
10: $1.98
25: $1.79
50: $1.61
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 1 Pole Pushbutton Series trip W57 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-8
 Enlarge
TE Connectivity / P&B Circuit Breakers 8A PUSH TO RESET
Page 2,040

Data Sheet
2,305
In Stock
1: $2.84
10: $2.48
25: $2.25
50: $2.11
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 8 A 250 V 32 V 1 Pole Pushbutton Series trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-6
 Enlarge
TE Connectivity / P&B Circuit Breakers 6A PUSH TO RESET
Page 2,040

Data Sheet
2,118
In Stock
1: $2.84
10: $2.48
25: $2.25
50: $2.11
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 6 A 250 V 32 V 1 Pole Pushbutton Series trip W28 - 20 C to + 60 C Not Illuminated
Compare up to 20 parts.
7635
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