Product Overview
The CHINT NJYW1 Series Liquid Control Relays are designed for automatic control of water levels in tanks, towers, and reservoirs. Operating with AC voltages up to 380V, they enable fully automated water supply and drainage control. With selectable control distances (1 km or 2 km electrode wire length) and options for pump protection, the NJYW1 provides reliable liquid level monitoring for civil, commercial, and industrial water systems.
Main Features
- Automatic water level control
- AC voltage operation up to 380V
- Selectable control distances (1 km or 2 km)
- Pump protection options
- Reliable liquid level monitoring
- Suitable for civil, commercial, and industrial applications
Technical Specifications
Please refer to the product catalog below for detailed technical specifications.
Typical Applications
- Water tanks and towers
- Reservoirs
- Water supply systems
- Drainage control
- Pump stations
- Industrial water systems
Ordering Support
For detailed ordering information and technical support, please contact our sales team.
Product Catalog
Below is the complete product catalog:



