Key Specifications

  • Product Type: Safety relay – SIRIUS 3SK1 basic unit

  • Supply Voltage: 24 V AC/DC

  • Safety Outputs: 3 × Normally Open (NO) safety contacts

  • Auxiliary Output: 1 × Normally Closed (NC) signaling contact

  • Input Configuration: Supports single-channel and two-channel safety inputs

  • Safety Rating: PL e (Category 4), SIL 3

  • Housing Width: 22.5 mm compact design

  • Mounting: DIN-rail installation

  • Applications: Emergency stop monitoring, guard-door monitoring, light-barrier safety, two-hand control circuits

  • Lead Time: 3–5 business days

All products are sold with a 1 year warranty.

About Leadtime

At Leadtime, we understand the critical importance of high-quality products and solutions in industrial manufacturing systems, especially for energy-efficient and reliable ventilation and drive technologies.

Our warehousing facilities in Canada and the U.S.A. enable convenient logistics and prompt order processing for all your automation needs.

We maintain active stock of top tier PLCs from major brands to help shorten lead times and support operational efficiency.