E. Dold & Söhne GmbH & Co. KG

Tel.: +49 7723 654-0
E-Mail: dold-relays@dold.com

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Guard locking switch with key release function


  • STS-YRX11A
Mechanical guard locking with separate actuator and electromechanical release. When activated... more

Product description

Mechanical guard locking with separate actuator and electromechanical release. When activated the contacts which monitor the disable position switch. When the key is inserted the contacts switch for key monitoring and the actuator or the second key can be removed. To secure separating guards such as safety gates and hoods in machine and plant engineering.

Technical specifications

Description: Safety switch with forced key inserting and electromechanic blocking of the key. Only when a signal is connected to the magnet, the key can be inserted
Type: STS-YRX11A


  • EU-Test certificate according to the directive 2006/42/EG, annex IX
  • For safety applications up to PLe/Category 4 according to EN ISO 13849-1
  • Modular and expandable system
  • Rugged stainless steel design
  • Wireless mechanical safeguarding
  • Combines the benefits of safety switch, solenoid locking and key transfer in a single system
  • Easy installation through comprehensive accessories
  • Protection against lock-in
  • Coding level low, medium, high according to DIN EN ISO 14119:2014-03


The units are particularly suitable for applications with:

  • Full body access (lock-in danger)
  • Several secured entries
  • Single-channel/ redundant/ diverse safety circuits
  • Rugged ambient conditions
  • Required access rights