This document is the instruction manual for DL-30 series current relay. It introduces its scope of application, type and meaning, main parameters and technical performance, structure characteristics, external appearance and installation size.
The DL-30 series current relay is intended for overload and short‑circuit protection of motors, transformers, and transmission lines. It can be used as a starting element and is available in several contact configurations.
The document provides technical parameters such as contact numbers, rated current ranges, coil power consumption, mechanical dimensions, and ordering instructions. It also describes structural features, installation size, and environmental limits for reliable operation. This manual is written in Chinese.
| Maximum adjustable current | 200 A |
|---|---|
| Weight | ≈0.6 kg |
The relay can be set up to a maximum adjustable current of 200 A.
The relay is rated for at least 500 operation cycles.