Chint NH40-100/4CSW Manual Changeover Transfer Switch Disconnector – 100A, 4 Pole, With SHD

The Chint NH40-100/4CSW Manual Changeover Transfer Switch Disconnector (with SHD) is a 4-pole manual transfer switch designed for safe and reliable switching between two power sources such as Utility and Generator supply. With a rated current of 100A, it is ideal for small to medium commercial installations, residential generator systems, and sub-distribution panels.

The NH40 series ensures positive isolation and secure manual switching through its clearly defined I-0-II operating positions, preventing simultaneous connection of both power sources. The included SHD external operating handle mechanism allows safe front-door operation when installed inside an enclosure or distribution board.

Key Technical Specifications:

• Model: NH40-100/4CSW

• Type: Manual Changeover Transfer Switch Disconnector

• Rated Current: 100A

• 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 shaft handle device

• Mechanical Endurance: High durability switching mechanism

• Application Category: Low-voltage distribution systems

Features & Benefits:

• Reliable manual transfer between two power sources

• Clear visual position indicator (I-0-II)

• Positive mechanical interlocking for safety

• Compact and durable construction

• Suitable for generator changeover applications

• Easy installation inside distribution panels

• Long operational service life

Typical Applications:

• Residential generator changeover systems

• Small commercial buildings

• Sub-distribution panels

• Industrial control panels

• Power backup installations

The Chint NH40-100/4CSW Manual Transfer Switch Disconnector provides dependable, safe, and efficient manual source switching for low to medium load power systems.