3SK Safety Relays
Siemens 3SK Safety Relays are the key elements of a consistent, cost-effective safety sequence.
Whether you need EMERGENCY-STOP functionality, protective door monitoring, light arrays, laser scanners or the protection of presses or punches – slim line SIRIUS safety relays enable all safety applications to be implemented in the best possible way in terms of engineering and price.
The following are the safety-related functions available …
- Monitoring the safety functions of sensors
- Monitoring the sensor leads
- Monitoring the correct device function of the safety relay
- Monitoring the actuators in the shutdown circuit
- Safety-related disconnection when dangers arise
The 3SK Safety Relays stand out on account of their flexibility in both parameterization and system configurations with several evaluation units. Optimised solutions when selecting components are facilitated by a clearly structured component range, including the 3SK1 and the 3SK2s.
A popular safety relay used here at DBI Control is the 3SK31111-2AB30, which is characterised by its compact design, simple operation, relay and semiconductor outputs and economical solution.
The general benefits of the 3SK Safety Relays are the approval for all safety applications because of its compliance with the highest safety requirements. It is also universally useable thanks to its adjustable parameters.
The removable terminals allow greater plant availability and having a sensor cable length of up to 2000m allows it to be used in plants covering larger areas. The semiconductor outputs are wear free, suitable for operation in fast switching applications and have a good electrical endurance.
The 3SK Safety Relays are used mainly in autonomous safety applications which are not connected to a safety-orientated bus system. Their function is the evaluate the sensors and the safety-oriented shutdown of hazards. Also they check and monitor the sensors. Actuators and safety-oriented functions of the safety relay.
The 3SK Safety Relays are ideal for combining with the 3RM1 motor starters, which makes collective shut down very easy in assemblies. The wiring, and ultimately the shutting down of the control supply voltage for the expansion components in EMERGENCY-STOP situations is performed via the device connector. There is no further need for the complex looping of the connecting cables.
DBI Control Limited can provide you with any 3SK Safety Relay you require for your system, so if you want to find out more please contact a member of our team on 01244 288138 or info@dbicontrol.co.uk
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