✅ CHINT 777989 – NC7-4065 Mechanical Interlock, Frame Current 4065A Reliable mechanical interlock designed for NC7 contactors with frame currents ranging from 40A to 65A. Provides effective mechanical interlocking to prevent simultaneous closing of contactors and enhance safety. 🔹 Description (English): The CHINT 777989 mechanical interlock is intended for NC7 contactors rated between 40A and 65A. It guarantees secure mechanical interlocking to prevent two contactors from closing at the same time, thereby avoiding electrical faults. The interlock is easy to install and suitable for motor control circuits requiring coordinated switching, such as reversing and star-delta applications. 🔹 Key Features: • Compatible with NC7 contactors (40A–65A) • Positive mechanical interlocking • Prevents simultaneous contactor operation • Improves operational safety and equipment protection • Easy installation and maintenance 🔹 Technical Specifications (English): Parameter Value Model NC7-40~65 Part Number CHINT 777989 Function Mechanical Interlock Application Contactor Interlocking Frame Current 40A to 65A