✅ CHINT 393290 – NH40-250/4W Switch Disconnector 4-pole switch disconnector with central handle for outside cabinet operation, rated 250A. Suitable for large industrial loads. 🔹 Description (English): The CHINT 393290 – NH40-250/4W is a heavy-duty 4-pole manual switch disconnector rated at 250A, designed to isolate high-power 3-phase + neutral circuits in industrial power systems. It provides complete manual disconnection for safe maintenance, servicing, and emergency isolation of large machinery and electrical panels. Equipped with a central handle for outside cabinet operation, this device enhances operational safety by eliminating the need to access internal live parts. Its robust single-cast construction ensures long-term reliability and high mechanical strength. With CE certification and voltage compatibility up to 415V, the NH40-250/4W is well-suited for large-scale power control and isolation tasks. 🔹 Key Features: • Rated current: 250A • Rated operational voltage: 220V/230V/240V, 380V/400V/415V • 4-pole isolation for full 3-phase + neutral disconnection • Central handle for external operation • Rugged single-cast body for harsh environments • Manual disconnection improves equipment safety • Ideal for factories, generators, and main panels • CE certified 🔹 Technical Specifications (English): Parameter Value Model NH40-250/4W Part Number CHINT 393290 Rated Current 250A Number of Poles 4P Rated Operational Voltage 220V / 230V / 240V / 380V / 400V / 415V Switch Type Single-cast Manual Disconnector Operation Method Central Handle (Outside Cabinet) Mounting Panel-mounted (external operation) Application Industrial / Power Distribution Certification CE