SICK RE11/RE21/RE31 Series Safety Switch

Safety switch with 6mm response range and magnetic actuation. NO and NC reed contacts, PL e / Cat. 4 performance.

This model has 3 variants.
Effective August 29th, 2025 SICK has added a 9.8% surcharge for all of their products. The surcharge will appear as a separate line item on each sales order.
Part Number
  • RE11/RE21/RE31 Series
Highlights...

Features

  • Actuator coding level: Low coding level (EN ISO 14119)
  • Response range: up to 6mm
  • Type of output: reed contacts
  • NO contacts: 1
  • NC contacts: 1
  • Connection type: cable / plug connector, M8, 4-pin
  • Direct connection to safe control solution possible
  • PL e / Cat. 4 (EN ISO 13849)

The SICK RE11/RE21/RE31 Series Safety Switch operates with coded magnetic actuation of the complementary-switching normally open (NO)/ normally closed (NC) reed contacts. Magnetic safety switches can be used in areas where a high level of contamination occurs. The devices are easy to clean, making them suitable for contaminated areas or environments with strict hygiene standards. Their operating principle enables greater tolerances, making them well-suited for applications where precise guidance of guards is difficult.

Applications

  • Monitoring of safety doors and removable guards
  • Applications requiring a high standard of hygiene
  • Applications where precise guidance of the safety door is not possible