Eaton Cutler-Hammer DH325NGK 400A 3P 240V Safety Switch, NEMA 1, Fusible | AmpState

Trustworthy, purpose-built for industrial disconnects, the Eaton Cutler-Hammer DH325NGK is a 400A, three-pole safety switch designed to isolate heavy loads right at the point of use. Built for indoor, controlled environments, this NEMA 1 fusible switch blends robust protection with straightforward maintenance, making it a reliable choice for retrofit projects and maintenance planning where staying with the same part number matters.

Key advantages include:

• Fast, safe equipment isolation for 3‑phase systems
• Integrated fusible protection that simplifies overcurrent handling and allows quick fuse replacement
• Three-pole configuration (3P) for balanced, dependable disconnection of all phases
• Indoor-only NEMA 1 enclosure designed for general purpose electrical rooms
• Standard 240V operation suitable for a wide range of motors, pumps, conveyors, and controlled equipment
• Reliable 400A continuous current capacity to handle demanding industrial loads
• Part number consistency for retrofit work, OEM alignment, and long-term maintenance planning
• Supported by AmpState with compatibility assistance to ensure a proper fit

Where to use it

• Main disconnects for large equipment where you need a clear, local isolation point
• Retrofit projects that require maintaining the same DH325NGK part number across upgrades or panel changes
• Modify or service heavy machines in manufacturing lines, processing facilities, or warehousing systems
• Projects that demand fast fuse changes without replacing the whole safety switch assembly

How it helps your operation

• Minimizes downtime by delivering quick disconnect capability during maintenance
• Reduces risk with a clearly defined isolation path for technicians
• Improves safety coordination in 3-phase circuits by ensuring all poles disconnect together
• Offers straightforward field service with fusible protection, simplifying stock and replacements

Availability and support

The DH325NGK is available from AmpState. If you’re unsure about compatibility or fit, just reach out—our team can help confirm the correct part number, mounting, and electrical compatibility for your specific installation.