Cutler-Hammer DG325FGB - 400A, 240V, 3-Pole, Fusible, Safety Switch, NEMA 1

When you need reliable on/off isolation and robust overcurrent protection in demanding industrial or commercial environments, the Cutler-Hammer DG325FGB stands out as a compact, fusible safety switch.

What it is

The DG325FGB is a 400A, 240V, 3-Pole fusible safety switch in a NEMA 1 enclosure, designed to safely disconnect power and protect circuits and equipment from faults. Built for motor disconnects, panelboards, and branch circuits, it combines dependable isolation with fast-acting overcurrent protection in a single, maintainable unit.

Key specifications

• Model: DG325FGB
• Amperage: 400A
• Voltage: 240V
• Poles: 3-Pole
• Enclosure rating: NEMA 1
• Fused: Fusible

Why this safety switch matters

• Targeted overcurrent protection: The fusible design provides fast, circuit-specific protection for motors and feeders, helping prevent equipment damage and electrical fires.
• Compact, maintainable footprint: A 3-pole configuration in a space-efficient package simplifies wiring and reduces panel footprint, ideal for retrofit or new installations.
• Indoor-ready reliability: NEMA 1 enclosure is built for clean, indoor environments, delivering consistent performance in control rooms, electrical rooms, and manufacturing floors.
• Versatile use cases: Perfect for motor disconnects on production lines, panelboard sections, and branch circuits that require reliable fuse protection.

Who benefits

Facilities with three-phase motors, automated equipment, and distributed control systems will appreciate the DG325FGB for its balance of protection and simplicity. It’s well-suited for electrical contractors, plant engineers, and maintenance teams seeking a rugged, serviceable disconnect that minimizes downtime.

Practical considerations and tips

• Choose fuses sized to your motor and load profile to ensure appropriate protection without nuisance blows.
• Plan for straightforward maintenance: the fusible elements are designed to be replaced and tested without dismantling major components.
• Ensure compliance with local electrical codes and lockout/tagout procedures when installing or servicing the switch.

In short, the Cutler-Hammer DG325FGB offers a dependable, fusible safety switch solution that protects both people and equipment while delivering a compact footprint and straightforward maintenance for indoor industrial and commercial applications.