E. Dold & Söhne GmbH & Co. KG

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

• Representatives
• Contact form

Direct contact for orders

Tel.: +49 7723 654-454
E-Mail: ab@dold.com

Direct contact for technical questions

Tel.: +49 7723 654-459
E-Mail: rv@dold.com

Direct contact for shipping inquiries

Tel.: +49 7723 654-455

Safety switch electromechanical without guard locking


  • STS-SX01M-K
Key-operated safety switch as part of a SAFEMASTER STS key transfer system for safeguarding... more

Product description

Key-operated safety switch as part of a SAFEMASTER STS key transfer system for safeguarding guards in machine and plant construction, such as safety doors and covers.

Technical specifications

Functionality: Key-operated switch
Version: FRP
Description: The contacts are operated and the actuator is released when the key is removed
Type: STS-SX01M/K


  • 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 composite version of stainless steel and plastic 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 unit is particularly suitable for applications with:

  • Full body access (lock-in danger)
  • Optional key removal
  • Several secured entries
  • Rugged ambient conditions
  • This unit is also available in stainless steel