✅ CHINT 150855 – G UM7: Undervoltage Release AC220V AC220V undervoltage release device for NM8(S)-800/1250 MCCBs, ensuring circuit breaker tripping under voltage loss to protect critical electrical infrastructure. 🔹 Description (English): The CHINT 150855 – G UM7 is an undervoltage trip unit designed for NM8(S)-800A and 1250A molded case circuit breakers, operating at AC220V. It ensures automatic disconnection of the breaker if the voltage supply drops below a safe threshold, safeguarding large-scale electrical systems from damage due to voltage instability. The UM7 is ideal for mission-critical applications such as power distribution centers, industrial plants, and high-load control panels. 🔹 Key Features: • Voltage: AC220V • Automatically trips breaker during undervoltage • Designed for NM8(S)-800A / 1250A MCCBs • Protects against voltage instability in high-power systems • Ensures safe system shutdown and equipment safety • Complies with IEC 60947-2 🔹 Technical Specifications (English): Parameter Value Model G UM7 Part Number CHINT 150855 Voltage Rating AC220V Function Undervoltage Release (Trip Coil) Compatibility NM8(S)-800A / 1250A Application Voltage protection / Power networks Compliance IEC 60947-2