Siemens signal converter

We offer the appropriate solution for all requirements. With the 3RQ1 coupling relays fail-safe controls can be reliably coupled. They are available in widths of Because the relays are force-guided in accordance with IEC IEC , the mechanical connection between the contacts ensures the NO and NC contacts are never closed simultaneously. This means failures to open can be reliably recognized in order to ensure maximum safety.

This makes them suitable for use in rail, signal systems, and elevators, for example. These coupling relays are also an integral component of the 3SK safety relay system, and serve as an output expansion up to SIL 3. They are available with either relay or semiconductor output. These are characterized by increased power for the switching of greater loads. The frequency outputs implemented offer a further application. This makes them suitable for use in rail, signal systems, and elevators, for example.

These coupling relays are also an integral component of the 3SK safety relay system, and serve as an output expansion up to SIL 3. They are available with either relay or semiconductor output. These are characterized by increased power for the switching of greater loads. The frequency outputs implemented offer a further application. Only minimal space required on the standard mounting rail due to the narrow design of just 6. Reduced device variance resulting from exclusive use of 3-way separation.

For the 3-way separation, each circuit is galvanically separated from the other circuits, i. They are suitable for simple controllers and for applications that do not require an overload relay and need only one auxiliary switch — but which therefore need more switching power, higher switching voltage, and a longer service life.

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