PT321 - 30A, 240V, 3-Pole, Disconnect Switch

PT321 is an industrial-grade disconnect switch engineered to deliver safe, reliable electrical isolation in demanding environments. With a 30A rating at 240V across three poles, it provides complete isolation of all conductors, giving maintenance teams a clear, lockable break in power when service is required.

Designed to support lockout/tagout procedures, the PT321 helps teams prevent accidental energization during work, enabling safer maintenance without sacrificing uptime or productivity.

Reliability under load matters in the field. The PT321 is built to deliver dependable disconnection even when circuits are energized, reducing risk during troubleshooting and routine servicing. Its rugged construction is crafted for long-term durability in busy industrial and commercial settings, standing up to the wear and tear of everyday operation.

Key benefits

• Three-pole isolation ensures full removal of voltage from all live conductors in a 240V circuit, delivering true electrical isolation during maintenance.
• Industrial-grade durability rugged build designed for harsh environments and long service life.
• Safe under load proven ability to disconnect reliably even when circuits are energized, minimizing downtime and risk.
• Lockout/Tagout compatibility supports standard safety procedures to prevent unexpected energization during servicing.

Ideal applications

• Facilities with three-phase equipment and motor control needs
• Electrical rooms and service panels where frequent isolation and maintenance occur
• Projects requiring a dependable, standards-aligned isolation switch in power distribution paths

Specifications at a glance

• Amperage Rating: 30A
• Voltage Rating: 240V
• Number of Poles: 3-Pole
• Product Type: Disconnect Switch
• Model: PT321

Compared to other isolation options, the PT321 provides a definitive mechanical disconnection across all poles, enhancing safety and simplifying compliance with lockout/tagout protocols. It’s a practical, dependable safety solution for teams that prioritize reliable power isolation and straightforward maintenance workflows.

Whether upgrading an existing panel, retrofitting a service disconnect, or wiring a new installation, the PT321 delivers consistent performance and peace of mind for electrical professionals and facility managers alike.