DIN Rail AC Surge Protective Devices are connected in parallel and use an MOV to clamp high-voltage surges. These devices are primarily used in the main electrical panel for the protection of 1- and 3-phase systems.
The surge arrestors OBV5-C40 meet the type 2 requirement class according to IEC 61643-11. These devices protect low-voltage consumer systems from overvoltages of all types and are available in single-pole to four-pole versions. The use of high-performance varistors permits a rapid response time and a low protection level, without any line follow current. If circumstances are uncertain and there is a risk of fire from an overload, the internal cut-off unit disconnects the arrestor from the mains if necessary.
+ Connectable surge arrestor
+ High arresting capacity
+ Visual status display
+ Available with optional remote signalling
+ Simple standard hat rail mounting
+ Labelled connections
+ Voltage encoding
Maximum continuous voltage AC
SPD to EN 61643-11
SPD to IEC 61643-1
Nominal discharge current (8/20µs)
Maximum discharge current (8/20µs)
Voltage protection level
Maximum back-up fuse
Max. cable cross-section flexible (fine-wire)
Max. cable cross-section rigid (single wire/multi-wire)
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