Cutler-Hammer DG325UGK - 400A, 240V, Heavy-Duty, Safety Switch

Meet the Cutler-Hammer DG325UGK — a 400A, 240V heavy-duty safety switch engineered for reliable on/off isolation and overcurrent protection in demanding industrial and commercial environments. This robust fusible switch combines compact design with serviceability, making it an ideal choice for motor disconnects, panelboards, and branch circuit protection where a durable, maintainable solution is essential.

Why the DG325UGK stands out

• High-capacity performance: 400A rating makes it suitable for demanding motors, pumps, conveyors, and other heavy loads.
• Versatile voltage compatibility: 240V operation aligns with common industrial power distribution setups.
• Heavy-duty construction: Built to endure tough environments and continuous operation in commercial facilities and industrial plants.
• Compact, maintainable fusible switch: Designed for easy installation and straightforward fuse replacement, reducing downtime during maintenance.
• Flexible application: Ideal for motor disconnects, panelboard safety interlocks, and branch circuit protection where space and serviceability matter.

Specification snapshot

• Model: DG325UGK
• Amperage: 400A
• Voltage: 240V
• Duty: Heavy
• Type: Safety switch with fusible protection

Where it shines — practical use cases

• Motor disconnects on manufacturing lines, pumps in pumping stations, or fans in ventilation systems where immediate isolation is required for safety or maintenance.
• Main or feeder protection within panelboards in industrial or commercial facilities, delivering a reliable, code-friendly disconnect point.
• Branch circuit protection for critical equipment that must remain protected yet easy to service without complex downtime.
• Retrofit projects or upgrades where a compact, serviceable safety switch is preferred over larger, less accessible solutions.

Installation and practical considerations

The DG325UGK is designed to integrate smoothly into standard electrical enclosures, with clear access for safe operation and fuse maintenance. When wiring and configuring, follow established field practices for fusible switches to ensure proper protection coordination and safe, reliable operation. This safety switch is built to support quick fault isolation and straightforward maintenance, helping facilities minimize downtime and keep critical processes running smoothly.

Who benefits most

Electrical engineers, facilities managers, and maintenance teams overseeing industrial equipment and commercial building systems will value the DG325UGK for its combination of high amperage capability, robust construction, and ease of maintenance. If you need a compact, dependable disconnect and protection solution for 400A loads at 240V, this Cutler-Hammer safety switch delivers clear, practical advantages in real-world operations.