Electronic Circuit Breakers

Electronic circuit breakers are automatically operated electrical switches that are designed to protect an electrical circuit from damage. They cut off a circuit whenever the current jumps above a safe level.

How electronic circuit breakers work

Electronic circuit breakers prevent an overload or short circuit. Their basic function is to keep an electrical system running safely by interrupting the flow of current when a fault is detected. They do this by a combination of active electronic current limitation in the case of a short circuit and an overload deactivation.

Why electronic circuit breakers are important

In homes, there's usually a main electronic circuit breaker that protects the whole system, plus smaller circuit breakers built into many domestic appliances such as washing machines, tumble dryers and air-conditioning systems.

Without circuit breakers (or the alternative, fuses), household electricity would be impractical because of the potential for fires and other issues resulting from simple wiring problems and equipment failures. Compared to fuses, which only work once and then require replacment, circuit breakers can be used over and over again.


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Description Price Range Series Number of Channels Current Rating Breaking Capacity Rated DC Voltage Mounting Style Length Width Depth
RS Stock No. 179-2990
Mfr. Part No.2081900000
SGD33.83
Each
units
- - - 225 mA - 24V DIN Rail Mount 12.2mm 96.5mm 125mm
RS Stock No. 179-2994
Mfr. Part No.2080420000
SGD64.46
Each
units
- - 1 25 mA - 24V DIN Rail Mount 6.1mm 96.5mm 125mm
RS Stock No. 179-2991
Mfr. Part No.2081890000
SGD36.55
Each
units
- - - 30 mA - 24V DIN Rail Mount 12.2mm 96.5mm 125mm
RS Stock No. 179-2999
Mfr. Part No.2080600000
SGD39.24
Each
units
- - 1 25 mA - 24V DIN Rail Mount 12.2mm 96.5mm 125mm
RS Stock No. 179-3004
Mfr. Part No.2123050000
SGD56.50
1 Box of 10
Box(es)
- - - - - - DIN Rail Mount 6.1mm 96.5mm 125mm
RS Stock No. 179-3005
Mfr. Part No.2123000000
SGD153.60
1 Box of 40
Box(es)
- - - - - - - 6.1mm 96.5mm 125mm
RS Stock No. 179-2989
Mfr. Part No.2081880000
SGD33.83
Each
units
- - - 120 mA - 24V DIN Rail Mount 12.2mm 96.5mm 125mm
RS Stock No. 179-3003
Mfr. Part No.2122930000
SGD29.80
1 Box of 10
Box(es)
- - - - - - DIN Rail Mount 6.1mm 96.5mm 125mm
RS Stock No. 179-3000
Mfr. Part No.2080650000
SGD39.24
Each
units
- - 1 25 mA - 24V DIN Rail Mount 12.2mm 96.5mm 125mm
RS Stock No. 179-2997
Mfr. Part No.2080490000
SGD37.86
Each
units
- - 1 25 mA - 24V DIN Rail Mount 6.1mm 96.5mm 125mm
RS Stock No. 179-3007
Mfr. Part No.2495380000
SGD312.90
1 Box of 30
Box(es)
- - - - - - - 8mm 96.5mm 125mm
RS Stock No. 179-2988
Mfr. Part No.2081870000
SGD11.85
Each
units
- - - - - 24V DIN Rail Mount 12.2mm 96.5mm 125mm
RS Stock No. 179-3002
Mfr. Part No.2122920000
SGD26.50
1 Box of 10
Box(es)
- - - - - - DIN Rail Mount 6.1mm 96.5mm 125mm
RS Stock No. 179-2993
Mfr. Part No.2080410000
SGD51.95
Each
units
- - 1 25 mA - 24V DIN Rail Mount 12.2mm 96.5mm 125mm
RS Stock No. 179-2995
Mfr. Part No.2080480000
SGD36.55
Each
units
- - 1 25 mA - 24V DIN Rail Mount 6.1mm 96.5mm 125mm
RS Stock No. 179-3001
Mfr. Part No.2122910000
SGD26.50
1 Box of 10
Box(es)
- - - - - - DIN Rail Mount 6.1mm 96.5mm 125mm
RS Stock No. 179-2992
Mfr. Part No.2080360000
SGD45.98
Each
units
- - 1 25 mA - 24V DIN Rail Mount 6.1mm 96.5mm 125mm
RS Stock No. 179-2998
Mfr. Part No.2080500000
SGD37.86
Each
units
- - 1 25 mA - 24V DIN Rail Mount 6.1mm 96.5mm 125mm