Hubbell 3951 Switch, 900A

The Hubbell 3951 900A switch is built for industrial electrical service, maintenance, and replacement projects where reliability under demanding loads matters most. This high-current switch is designed to give you confident control in panels, switchgear, and hard-working environments where downtime isn’t an option.

• 900 A current handling delivers robust performance for heavy-duty applications, helping you manage large electrical loads with ease.
• Trusted Hubbell build—purposefully engineered for rugged industrial settings to stand up to the wear and tear of daily operation.
• Part-number clarity for compatibility—the 3951 designation lets you confirm fit against your equipment requirements quickly and accurately.
• Ideal for replacement projects—streamlined procurement and straightforward swap when upgrading or restoring critical power paths.

Compatibility and support

Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.

Use cases and who benefits

The 3951 switch is ideal for maintenance teams, OEMs, and facility operators who need dependable high-current control in industrial environments. Use it for service and replacement work in main panels, switchgear, motor control centers, and other high-demand power circuits where a reliable 900 A switch is required.

Practical guidance for success

• Cross-check your equipment’s electrical requirements and mounting footprint with the 3951 to ensure a clean, trouble-free installation.
• Keep a spare 3951 on hand for planned maintenance to minimize downtime during critical upgrades.
• Coordinate with your electrical team to verify enclosure suitability, wiring methods, and safety protocols before proceeding with replacement.