Eaton DG321URB - 30A, 240V, 3-Pole, Non-Fusible Safety Switch

The Eaton DG321URB is a 30A, 240V, 3-pole non-fusible safety switch built for reliable electrical isolation in demanding industrial and commercial settings. Designed to support proper lockout/tagout procedures, this switch delivers a dependable, under-load disconnection that technicians can trust during routine maintenance and servicing.

Why the DG321URB stands out

• Non-fusible safety switch: A robust, mechanical disconnect that does not rely on fuse elements, providing straightforward, reliable isolation when you flip the switch.
• Three-pole configuration: Isolates all hot conductors for complete equipment shutdown, enhancing safety for downstream circuits and motors.
• 240V, 30A rating: Ideal for mid-scale motor loads, pumps, conveyors, and other demanding commercial and light industrial equipment.
• NEMA 3R enclosure: Built to withstand exposure to weather and debris, enabling safe outdoor or harsh indoor installations without compromising protection.
• Lockout/Tagout readiness: Structured to integrate with standard LOTO practices, helping facilities meet safety protocols and minimize maintenance risk.
• Durable, long-term performance: Engineered for durable operation in challenging environments, delivering reliable isolation over time.

Ideal applications and use cases

• Industrial manufacturing lines requiring safe, reliable isolation of motors and power feeds.
• Commercial equipment rooms and service panels where easy, code-compliant disconnection is essential.
• Outdoor equipment such as pumps, HVAC systems, and pumping stations that benefit from weather-resistant enclosure protection.
• Maintenance settings where lockout/tagout procedures are routinely used to protect technicians.

Technical snapshot

• Amperage rating: 30A
• Voltage rating: 240V
• Number of poles: 3-Pole
• Enclosure rating: NEMA 3R
• Product type: Non-Fusible Safety Switch
• Brand: Eaton
• Model: DG321URB

Whether you’re upgrading an aging isolation switch or designing a new electrical room, the Eaton DG321URB delivers precise, safe, and durable electrical isolation. Its combination of 3-pole isolation, 240-volt capability, and NEMA 3R protection makes it a practical choice for facilities that require dependable disconnection and straightforward maintenance workflows.

Practical tip: Plan for lockout/tagout by pairing the DG321URB with clearly labeled control devices and accessible tagging points to ensure quick, compliant maintenance procedures and minimized downtime.