3SX5601-3GA05

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A magnetically operated switch is comprised of a coded switching magnet and a contact block (sensor unit). Evaluation requires a safety relay, e.g. SIRIUS 3SK1, or connection to a bus system, e.g. SIMATIC ETВ 200SP. They have reed contacts as mechanical contacts. The status of the contacts is monitored using an evaluation unit.

3SE66 contact blocks and 3SE67 switching magnets

3SE66 contact blocks and 3SE67 switching magnets, supplementary range in new design

Safety relays

3SK safety relays can be used worldwide since they possess all the required certification. They can be used in all safety applications thanks to compliance with the most exacting safety requirements.

The following can be selected:

• 3SK1 Standard basic units:
  simple and compact to satisfy all the essential requirements of safety sensor monitoring systems
• 3SK1 Advanced basic units:
  a multifunctional series with relay enabling circuits, semiconductor outputs or time-delay outputs
• 3SK2 basic units:
  a multifunctional series whose functionality is parameterized using software. The basic units have solid-state outputs. Relay outputs from the 3SK1 portfolio can also be connected via device connectors.
• Expansion units for inputs and outputs

The 3SE6806 safety relay is also available with two floating enabling circuits (safe circuits) as NO contact circuits and one floating signaling circuit as an NC contact circuit.