Chint NH40-630/4CSW Manual Changeover Transfer Switch Disconnector – 630A, 4 Pole, With SHD

The Chint NH40-630/4CSW Manual Changeover Transfer Switch Disconnector (with SHD) is a robust 4-pole manual transfer switch designed for secure switching between two power sources such as Utility and Generator supply. With a rated current of 630A, it is suitable for medium to large commercial and industrial power distribution systems.

The NH40 series provides safe and reliable manual source selection with clearly marked I-0-II positions, ensuring proper isolation during switching operations. The included SHD external handle mechanism enables convenient and secure front-door operation when installed inside an enclosure.

Key Technical Specifications:

• Model: NH40-630/4CSW

• Type: Manual Changeover Transfer Switch Disconnector

• Rated Current: 630A

• Poles: 4 Pole (3 Phase + Neutral)

• Operational Positions: I-0-II

• Rated Voltage: Up to 415V AC

• Frequency: 50/60Hz

• Mounting: Panel / enclosure mounting

• Accessory: SHD external operating handle

• Mechanical Endurance: High durability switching mechanism

• Application Category: Suitable for low-voltage distribution systems

Features & Benefits:

• Reliable manual transfer between two power sources

• Positive mechanical interlocking prevents short-circuit between sources

• Clear visual indication of operating position

• Heavy-duty contact system for high load applications

• Suitable for generator changeover installations

• Long operational lifespan

• Easy installation within distribution panels

Typical Applications:

• Commercial buildings

• Industrial plants

• Generator changeover systems

• Main distribution boards (MDB)

• Substation control panels

• Critical infrastructure installations

The Chint NH40-630/4CSW Manual Transfer Switch delivers dependable performance, safe isolation, and durable construction for medium-capacity power switching requirements.