Circuit Breakers

Results: 333
Stocking Options
Environmental Options
Media
Exclude
333Results
Applied FiltersRemove All

Showing
of 333
Mfr Part #
Quantity Available
Price
Series
Package
Product Status
Mounting Type
Breaker Type
Current Rating (Amps)
Voltage Rating - AC
Voltage Rating - DC
Actuator Type
Number of Poles
Illumination
Illumination Voltage (Nominal)
Approval Agency
5SY41036
CIRCUIT BREAKER 10KA 1POLE B3
Siemens
4
In Stock
1 : £47.18000
Bulk
Bulk
Active
DIN Rail
-
-
400 V
72 V
Lever
1
None
-
CCC, EAC, IMQ, UR, VDE
5SY41108
SUP PTOR 5SY4 1P 240V 10A 7.5K D
Siemens
8
In Stock
1 : £58.90000
Bulk
Bulk
Active
DIN Rail
-
10A
400 V
72 V
Lever
1
None
-
CB, CCC, CSA, IMQ, UR, VDE
5SY41108
SUP PTOR 5SY4 1P 240V 2A 7.5K D-
Siemens
4
In Stock
1 : £58.90000
Bulk
Bulk
Active
DIN Rail
-
2A
400 V
72 V
Lever
1
None
-
CB, CCC, CSA, IMQ, UR, VDE
5SY41108
SUP PTOR 5SY4 1P 240V 6A 7.5K D-
Siemens
4
In Stock
1 : £58.90000
Bulk
Bulk
Active
DIN Rail
-
6A
400 V
72 V
Lever
1
None
-
CB, CCC, CSA, IMQ, UR, VDE
5SY41037
SUP PTOR 5SY4 1P 240V 5A 7.5K C-
Siemens
5
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
5A
400 V
72 V
Lever
1
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY41107
SUP PTOR 5SY4 1P 240V 10A 7.5K C
Siemens
4
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
10A
400 V
-
Lever
1
None
-
CE, EAC, IMQ, UL, VDE
5SY41067
SUP PTOR 5SY4 1P 240V 6A 7.5K C-
Siemens
2
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
6A
277 V
-
Lever
1
None
-
CSA C22.2 No 235, UL1077
5SY41167
SUP PTOR 5SY4 1P 240V 16A 7.5K C
Siemens
2
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
16A
277 V
-
Lever
1
None
-
CSA C22.2 No 235, UL1077
5SY41047
SUP PTOR 5SY4 1P 240V 4A 7.5K C-
Siemens
2
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
4A
400 V
72 V
Lever
1
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY42067
SUP PTOR 5SY4 2P 480V 6A 5K C-TR
Siemens
2
In Stock
1 : £94.12000
Bulk
Bulk
Active
DIN Rail
-
6A
400 V
72 V
Lever
2
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43107
SUP PTOR 5SY4 3P 480V 10A 5K C-T
Siemens
2
In Stock
1 : £135.67000
Bulk
Bulk
Active
DIN Rail
-
10A
400 V
72 V
Lever
3
None
-
CCC, CE, IMQ, RCM, UR, VDE
5SY43408
SUP PTOR 5SY4 3P 480V 40A 5K D-T
Siemens
2
In Stock
1 : £135.67000
Bulk
Bulk
Active
DIN Rail
-
40A
400 V
72 V
Lever
3
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY43207
SWITCH_OVERCURRENT_20A_400V
Siemens
2
In Stock
1 : £135.67000
Bulk
Bulk
Active
DIN Rail
-
20A
400 V
72 V
Lever
3
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY41027
SUP PTOR 5SY4 1P 240V 2A 7.5K C-
Siemens
1
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
2A
400 V
72 V
Lever
1
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY41187
SUP PTOR 5SY4 1P 240V 15A 7.5K C
Siemens
1
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
15A
400 V
72 V
Lever
1
None
-
CCC, CE, EAC, RCM, UR, VDE
5SY41037
MINIATURE CURCIUT BREAKER, 230/4
Siemens
1
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
3A
400 V
72 V
Lever
1
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY41017
SUP PTOR 5SY4 1P 240V 1A 7.5K C-
Siemens
1
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
1A
400 V
72 V
Lever
1
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY41307
SUP PTOR 5SY4 1P 240V 30A 7.5K C
Siemens
1
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
30A
400 V
72 V
Lever
1
None
-
CCC, CE, EAC, RCM, UR, VDE
5SY41037
SUP PTOR 5SY4 1P 240V 8A 7.5K C-
Siemens
1
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
8A
400 V
72 V
Lever
1
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY41207
SUP PTOR 5SY4 1P 240V 20A 7.5K C
Siemens
1
In Stock
1 : £50.26000
Bulk
Bulk
Active
DIN Rail
-
20A
400 V
-
Lever
1
None
-
CCC, CE, EAC, IMQ, UL, VDE
5SY41037
SUP PTOR 5SY4 1P 240V 40A 7.5K C
Siemens
1
In Stock
1 : £55.70000
Bulk
Bulk
Active
DIN Rail
-
40A
400 V
72 V
Lever
1
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY45067
SUP PTOR 5SY4 1P+N 240V 6A 7.5K
Siemens
1
In Stock
1 : £84.08000
Bulk
Bulk
Active
DIN Rail
-
6A
230 V
72 V
Lever
2
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY42047
SUP PTOR 5SY4 2P 480V 4A 5K C-TR
Siemens
1
In Stock
1 : £86.52000
Bulk
Bulk
Active
DIN Rail
-
4A
400 V
72 V
Lever
2
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
5SY42187
SUP PTOR 5SY4 2P 480V 15A 5K C-T
Siemens
1
In Stock
1 : £94.12000
Bulk
Bulk
Active
DIN Rail
-
15A
400 V
72 V
Lever
2
None
-
CCC, CE, RCM, UR, VDE
5SY42207
SUP PTOR 5SY4 2P 480V 20A 5K C-T
Siemens
1
In Stock
1 : £94.12000
Bulk
Bulk
Active
DIN Rail
-
20A
400 V
72 V
Lever
2
None
-
CCC, CE, EAC, IMQ, RCM, UR, VDE
Showing
of 333

Circuit Breakers


A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.