PL e safety interfaces for emergency stop buttons and safety switches

Safety relays for monitoring emergency stop buttons, safety switches.

With 3 N.O. + 1 N.C. guided-contact safety relays.

The Start/Restart can be either Automatic/Manual with the AD SRE4 or Manual Monitored with the AD SRE4C.

EDM Feedback input for external contactors monitoring.

Both models can be used up to safety category 4, PL e according to EN ISO 13849-1.

Product certified by TUEV Nord Cert GmbH.

Safety relay outputs 3 N.O. + 1 N.C. – 5 A 240 VAC / 24 VDC
Each N.O. safety output line is interrupted twice by the two relays
Response time (ms) <= 50
Start/Restart command
according to IEC 61496-1
AD SRE4 – Automatic/Manual
AD SRE4C – Manual monitored
External Device Monitoring Yes – EDM Feedback input for extra external contactors monitoring
Signalling LED indicators for status and supply diagnostic: power, channel 1 and channel 2
Power supply (VDC) 24 -15% +10%
Electrical connection On terminal block
Operating temperature (°C) -25 … 55
Protection rating IP 40 for housing – IP 20 for terminal block
Fastening On DIN rail fastening according to EN 50022-35 standard
Dimensions h x w x d (mm) 99 x 22,5 x 11
  • 2006/42/EC: Machine Directive
  • EN ISO 13849-1:2008 Safety of machinery. Safety-related parts of control systems. Part 1: General principles for design
  • EN 60204-1:2006 Safety of machinery. Electrical equipment of machines. Part 1: General requirments
  • EN 60947-5-1:2004 + A1:2009 Electromagnetic Compatibility Directive
  • UL (C+US) mark for USA and Canada

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