Eaton DG321UGB - 30A, 3-Phase, Disconnect Switch

Meet the Eaton DG321UGB—a purpose-built 30A, 3-phase disconnect switch engineered for demanding industrial and commercial environments. This compact fusible switch delivers reliable on/off isolation while providing overcurrent protection for motor circuits, panelboards, and branch feeders. Built to perform where space is at a premium, the DG321UGB pairs simple maintenance with dependable protection in a single, streamlined solution.

Why the DG321UGB stands out

• 3-Phase, 30A performance optimized for dependable motor control and branch circuit protection in multi-line systems.
• Fusible design combines rapid isolation with overcurrent protection, reducing parts and simplifying wiring in compact control panels.
• Space-conscious footprint designed for tight installations, making it easier to outfit panels, switchgear racks, and enclosures without sacrificing protection.
• Maintenance-friendly accessible fusible components and straightforward wiring layout to minimize downtime during inspections or fuse replacements.

Ideal applications

• Motor disconnects in manufacturing lines, conveyors, and pumps where quick shutoff is essential for safety and downtime reduction.
• Panelboards and switchgear assemblies needing integrated protection and isolation in a single, compact device.
• Branch circuit protection on feeders where a reliable, easy-to-service disconnect switch is required.

How it works

The Eaton DG321UGB integrates a robust disconnect mechanism with fuse protection in a single 3-pole unit. When you need to isolate power for maintenance or respond to an overcurrent event, the switch provides a clear, reliable path to stop power flow while the fused elements absorb surge energy, helping protect downstream equipment and wiring.

Specifications at a glance

• Model: DG321UGB
• Amperage: 30A
• Phase: 3-Phase

Practical tips for best results

• Plan installation in sturdy enclosures with adequate clearance for fuse access and servicing.
• Label circuits clearly to reflect the DG321UGB’s protective role for motors, panels, and branch circuits.
• Schedule regular inspections of the fusible elements and switch contacts to maintain optimal performance and prompt fault detection.