User manual for the JJ1 series reduced‑voltage start control cabinet covering specifications, installation, operation and ordering.
About this manual
The JJ1 series reduced‑voltage start control cabinet is designed for three‑phase squirrel‑cage induction motors with power ratings from 11 kW to 300 kW. It operates on 380 V AC at 50 Hz or 60 Hz and provides soft‑starting, overload, phase‑loss and short‑circuit protection.
The manual details technical data, installation dimensions, wiring diagrams, operation procedures for both automatic and manual modes, and ordering information. Safety limits such as ambient temperature, humidity and altitude are also specified. This manual is written in Chinese.
What's inside
- 适用范围
- 技术数据和性能特征
- 操作与使用注意事项
- 产品结构
- 安装和使用
- 订货须知
Specifications
| Power range | 11‑300 kW |
|---|
| Supply voltage | 380 V AC |
|---|
| Frequency | 50 Hz or 60 Hz |
|---|
| Motor type | Three‑phase squirrel‑cage induction motor |
|---|
| Maximum starting time | ≤15 s |
Frequently asked questions
What is the maximum starting time for the autotransformer?
The initial starting time should not exceed 15 seconds.
How many start cycles per hour can the cabinet operate in cold state?
It can perform three start cycles per hour in cold state.
What are the ambient temperature limits for operation?
The ambient temperature must be between –5 °C and +40 °C.