CHINT 311022

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769EGP

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✅ CHINT 311022 – NJYW1–BL1 Floatless Relay (Type B), AC220V, 1 km Lead Wire Reliable water level control relay with anti-vacuum pumping protection, designed for water supply and drainage systems. Operates at AC220V with 1 km lead wire length. 🔹 Description (English): The CHINT 311022 – NJYW1–BL1 is a Type B floatless water level relay operating at AC220V, used in automatic water supply and drainage control systems. It features vacuum pumping protection to prevent dry-run conditions during drainage operations, ensuring pump safety and system reliability. This model includes a 1 km lead wire length, allowing for installation at remote or difficult-to-access tanks and reservoirs. It’s ideal for municipal water systems, building water tanks, and industrial drainage pits where long-distance sensing and pump protection are critical. 🔹 Key Features: • Rated voltage: AC220V • Wire lead length: 1 km • Type B with vacuum pumping protection • Used for automatic water supply & drainage systems • Prevents dry-run and pump damage • Suitable for tanks, reservoirs, and wells • Stable and durable design 🔹 Technical Specifications (English): Parameter Value Model NJYW1–BL1 Part Number CHINT 311022 Series NJYW1 (Type B) Rated Voltage AC220V Lead Wire Length 1 km Function Floatless relay for water supply & drainage with dry-run protection