This document describes the RDC67 series AC contactors, including their features, applicable voltage and current ranges, and compliance with GB14048.4 and IEC60947‑4‑1 standards. It also details the model naming convention and auxiliary contact options.
Installation, wiring, adjustment, and maintenance procedures are covered, together with environmental limits such as temperature, altitude and humidity. Technical data tables list rated voltages, currents, power ratings and mechanical life for each model variant. This manual is written in Chinese.
| Rated Working Voltage | 220/230 V, 380/400 V, 660/690 V |
|---|---|
| Rated Current Range | 6.3 A ~ 800 A (various models) |
| Operating Temperature | -5 °C ~ +40 °C |
| Maximum Installation Altitude | 2000 m |
| Standard Auxiliary Contacts (25 A‑75 A) | 1 pair NO and 1 pair NC per unit |
The contactor can operate from –5 °C to +40 °C, with a 24 h average not exceeding +35 °C.
Installation is permitted at sites up to 2000 m above sea level.
A standard 25 A‑75 A unit comes with one pair of normally‑open and one pair of normally‑closed auxiliary contacts.