This manual describes the technical parameters, installation, operation, and settings of the JD-1000 low‑voltage leakage protection device.
The JD-1000 is a low‑voltage leakage protection device designed for 380 V‑1140 V neutral‑grounded systems. It uses zero‑sequence voltage correction and multiple detection methods to provide selective leakage protection.
The manual covers device specifications, mechanical dimensions, environmental limits, wiring diagrams, menu navigation, parameter configuration, local test operation, fault reporting, and safety guidelines for proper installation and use. This manual is written in Chinese.
| Control voltage | 380 V, 660 V, 1140 V |
|---|---|
| Action resistance (380 V) | 3.5 KΩ ±20 % |
| Action time | Branch outlet 30 ms, total outlet 300 ms |
Select the desired voltage level (380 V, 660 V, or 1140 V) in the menu under “电压等级 (DYDJ)”.
The default action resistance for 380 V is 3.5 KΩ ±20 %.