SI-LM40xxx Series Safety Limit Switch Datasheet

This datasheet describes the SI-LM40xxx Series safety limit switches, which are Type 1 interlocking devices per ISO 14119 used for guard monitoring and position detection in machine safety applications. It covers models with various actuating systems (plunger, roller, lever), positive-opening safety contacts, installation requirements, and safety standards compliance for achieving up to safety category 4 per ISO 13849-1.