This document introduces the features and technical data of DS-20 series time relays, including different voltage types, time setting range, contact types, etc. It also provides the normal operating conditions and the external installation dimensions and internal wiring diagram. When placing an order, it is necessary to specify the relay name, model, rated voltage, installation and wiring structure, etc.
The DS-20 series time relays are electromagnetic, pull‑in type devices used for adjustable delay control in protection and automation circuits. They are supplied in various voltage ratings and contact configurations, with optional JK‑1 or JK‑2 mounting structures.
The manual includes main technical specifications, normal operating conditions, physical dimensions with wiring diagrams, and detailed ordering instructions to ensure correct selection of voltage, current type, and mounting style. This manual is written in Chinese.
| Rated voltage | 220 V |
|---|---|
| Rated voltage | 110 V |
| Rated voltage | 48 V |
| Rated voltage | 24 V |
| Contact break capacity | 10 A |
| Maximum operating altitude | 2000 m |
| Operating temperature range | -25 °C to +40 °C |
| Maximum relative humidity | 90 % |
| Installation tilt limit | ≤5° |
The relays can operate in ambient temperatures ranging from –25 °C to +40 °C.
They may be installed at altitudes up to 2000 meters.
Specify the relay name and model, the rated voltage and current type, and the desired installation/wiring structure.