✅ CHINT 311023 – NJYW1–BL1 Floatless Relay (Type B), AC380V, 1 km Lead Wire High-voltage floatless relay for water level control with dry-run (vacuum) protection. Ideal for 380V pump systems with 1 km lead wire for extended installation range. 🔹 Description (English): The CHINT 311023 – NJYW1–BL1 is a Type B floatless relay operating at AC380V, engineered for automatic control of water supply and drainage systems in medium to high-voltage installations. It features anti-vacuum pumping protection, making it suitable for systems where dry-running may damage pumps. Equipped with a 1 km lead wire, this unit supports long-distance water level sensing, offering reliable control even in large tanks or remote reservoirs. It’s ideal for use in agricultural irrigation, factory drainage systems, and commercial water storage units operating on AC380V. 🔹 Key Features: • Rated voltage: AC380V • Wire lead length: 1 km • Type B design with dry-run protection • For water supply and drainage applications • Prevents vacuum pumping during low water levels • Suitable for high-voltage pump systems • Robust and long-life design 🔹 Technical Specifications (English): Parameter Value Model NJYW1–BL1 Part Number CHINT 311023 Series NJYW1 (Type B) Rated Voltage AC380V Lead Wire Length 1 km Function Floatless relay for water supply & drainage with dry-run protection