General Electric THMS31 - 30A, 600V, 3-Pole, Disconnect Switch

The General Electric THMS31 is a purpose-built disconnect switch engineered for industrial and commercial environments that demand safe, reliable electrical isolation. Designed to support lockout/tagout procedures, this 3-pole device provides dependable disconnection under load, helping maintenance teams work with confidence and clarity.

Why the THMS31 stands out

• Three-pole configuration delivers simultaneous isolation of multiple conductors, reducing the risk of partial energization and simplifying safe servicing of equipment.
• 600V rating accommodates a wide range of industrial power circuits, providing a robust solution for many commercial applications.
• 30A capacity meets the needs of mid-range equipment and service disconnects without overbuilding for routine operations.
• Lockout/Tagout readiness designed to integrate with standard safety procedures, helping facilities maintain regulatory compliance and worker protection during maintenance.
• Durable, dependable performance built to withstand ongoing use in busy electrical environments, delivering reliable isolation when it’s needed most.

Ideal applications and use cases

Use the THMS31 as a service disconnect for motor-driven machinery, processing lines, or panel assemblies in manufacturing, packaging, or facility maintenance settings. It’s well-suited for electrical rooms, switchgear housings, and any setup that requires a clear, lockable off state to safeguard personnel during inspections, repairs, or upgrades.

How it supports safe, efficient operations

• Clear disconnection under load means equipment can be safely serviced without guesswork about the power state.
• Lockout/tagout compatibility helps teams apply standard safety protocols, minimizing the chance of accidental re-energization.
• Compact enough to fit into existing electrical layouts while delivering a robust isolation point for critical circuits.

Specifications at a glance

• Amperage rating: 30A
• Voltage rating: 600V
• Number of poles: 3-Pole
• Product type: Disconnect Switch
• Brand: General Electric
• Model: THMS31