Safety switch device

Details Safety switch device Safety switch device

2009-05-07

2011-10-11

Barnie, Rexford (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

C361S166000, C307S140000, C307S141800

Reexamination Certificate

active

08035942

ABSTRACT:
A safety switch device for switching a power supply for a load on and off, having at least one driveable switching element, in particular a relay, and a safety circuit for checking a switching state of the switching element. The switching element is in the form of a changeover switch in such a manner that a first contact is electrically connected to either a second contact or a third contact by means of a switching operation. A method for operating a safety switch device is also provided.

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