Duelco – NST-4 24 V DC (Part No. 42051244) – Emergency-Stop / Safety Relay

The Duelco NST‑ () is a robust, industrial‑grade safety relay designed for emergency‑stop and safety‑gate circuits. Powered by  V DC, it features force‑guided contacts, a compact DIN‑rail housing, and essential safety interlock functionality. This certified module is widely used in machine protection systems to meet Category / PL e safety requirements.

Key Features:

• Model: NST‑ (Duelco )  

• Brand: Duelco

• Supply Voltage:  V DC

• Safety Function: Emergency-stop and gate monitoring via safety relay module

• Contact Type: Force‑guided contacts (ensuring safe-state on failure)

• Mounting: Compact housing suitable for DIN‑rail installation

• Category: Industrial safety relay, commonly used in Category  circuits

• Applications: Ideal for E‑stop circuits, safety interlocks, light curtains, safety gates, and machine safety systems