✅ CHINT 250434 – NC7-170 3-Pole AC Contactor, 275A AC-1, 170A AC-3, 90kW, 2NO+2NC Auxiliary, 220V 50/60Hz Designed for demanding applications, this contactor supports motors up to 90 kW and provides four auxiliary contacts for expanded control functionality. 🔹 Description (English): The CHINT 250434 – NC7-170 is a heavy-duty 3-pole AC contactor built for high-power industrial motor switching applications up to 90 kW. With a rated current of 275A under AC-1 and 170A under AC-3, it delivers superior performance and reliability for large motor and load control. This contactor includes a total of four auxiliary contacts (2NO + 2NC), offering broad flexibility for sophisticated control logic in automation and protection circuits. Operating on 220V coil voltage with dual-frequency support (50/60Hz), it integrates seamlessly into international systems. Its rugged construction ensures dependable operation in harsh environments. 🔹 Key Features: • Rated current: 275A (AC-1), 170A (AC-3) • Motor rating: up to 90 kW • Auxiliary contacts: 2NO + 2NC • Coil voltage: 220V (50/60Hz) • Robust 3-pole design • Ideal for large motor control and automation systems • Panel or DIN rail mounting • CE certified for global compliance 🔹 Technical Specifications (English): Parameter Value Model NC7-170 Part Number CHINT 250434 Rated Current 275A (AC-1), 170A (AC-3) Power Rating 90 kW Number of Poles 3 Poles (3NO) Auxiliary Contacts 2NO + 2NC Operating Voltage 220V (50/60Hz) Mounting Panel-mounted / DIN Rail Application High-power industrial motor control Certification CE