镇江市电工器材厂 Manuals

Zhenjiang City Electrical Equipment Factory DSN3-DM Indoor Electromagnetic Lock Installation Manual

This guide describes the applicable range of the DSN3-DM indoor electromagnetic lock, which is suitable for indoor high‑voltage equipment of 3, 6, 10, and 35 kV. It outlines the environmental limits such as altitude (≤1000 m), temperature (‑15 °C to 40 °C, special areas down to ‑25 °C), humidity (≤95 %), and requirements for a clean, non‑flammable installation site.

The document details the lock’s structure (mechanical core, compression spring, display module, coil, and travel switch) and its operating principle, which combines high‑voltage status indication with forced mechanical locking. Installation steps, normal operation, emergency unlocking, wiring diagrams, and troubleshooting procedures are also provided. This manual is written in Chinese.

Covers: Applicable Scope · Working Environment Conditions · Technical Parameters · Structure Principle · Installation and Use Instructions · Wiring Diagram