4105H311H - 30A, 3-Pole, Disconnect Switch

The 4105H311H is a high-performance Disconnect Switch built for industrial and commercial settings where safe, verifiable electrical isolation is non-negotiable. With a 30A rating and a true 3-pole configuration, this switch delivers dependable disconnection under load, supporting clean lockout/tagout procedures and long-term reliability in demanding environments.

Key specifications at a glance

• Amperage Rating: 30A
• Poles: 3-Pole
• Product Type: Disconnect Switch
• Model: 4105H311H

Why this disconnect switch matters

In facilities where maintenance and safety depend on verified isolation, the 4105H311H stands out for its robust capability to interrupt power under load without compromising operator safety. The three-pole design ensures true three-phase isolation, reducing the risk of arc faults or partial energization during equipment servicing. Built to endure the rigors of industrial use, it combines a rugged housing with reliable contacts to maintain performance over time.

Ideal use cases

• Motor control circuits on production lines where safe stop and restart are essential
• Service disconnects for HVAC, conveyors, and pumps in commercial facilities
• Electrical isolation points in panels, switchgear, and feeder setups
• Maintenance and testing scenarios that require compliant lockout/tagout procedures

Practical benefits and differentiators

Unlike generic disconnects, the 4105H311H is purpose-built for environments that demand reliable isolation with straightforward safety procedures. Its 3-pole configuration provides consistent phase separation, while the 30A rating aligns with common electrical feeders and motor circuits. The design supports proper lockout/tagout workflows, helping teams perform maintenance with confidence and minimizing downtime caused by uncertain isolation.

Safety, maintenance, and best practices

• Use in accordance with established lockout/tagout protocols to ensure a verifiable energy isolation point.
• Inspect the discharge path and contacts regularly for signs of wear or corrosion to sustain long-term durability.
• Coordinate with your electrical control system to ensure the switch aligns with your three-phase wiring and protection schemes.

Choose the 4105H311H when you need a dedicated, durable 3-pole disconnect switch that delivers reliable under-load disconnection, supports safe lockout/tagout, and stands up to the demands of busy industrial and commercial environments.