General Electric THMC33 - 100A, 3-Pole, Fused Disconnect Switch

The General Electric THMC33 is a 100A, 3-Pole Fused Disconnect Switch designed for industrial and commercial electrical rooms where safe, reliable isolation is non-negotiable. This switch combines robust overcurrent protection with a clean, mechanical disconnect, supports proper lockout/tagout procedures, and delivers dependable disconnection under load for enduring durability.

Key features

• 100A, 3-Pole configuration — ideal for three-phase feeders and equipment isolations
• Fused disconnect design — integrates essential protection with convenient switching in one assembly
• Lockout/tagout readiness — rugged handle and integration-friendly design to accommodate padlocks and safety tags
• Reliable under load disconnection — engineered to open circuits safely even when energized
• Durable for industrial use — built to withstand demanding environments and long service life
• Easy integration — compact, straightforward fit within standard electrical distribution layouts

Typical applications

• Main service disconnects in commercial facilities
• Three-phase feeder disconnects for motors, pumps, and conveyors
• Maintenance isolation points in switchgear or control panels
• Emergency shutdowns for targeted equipment within a larger system

Why choose GE THMC33

Choosing the THMC33 means leaning on General Electric’s commitment to reliability and safety. The 3-pole design ensures simultaneous isolation of all lines, while the fused configuration provides built-in protection, streamlining your safety protocol and reducing the number of components you manage. It’s a practical, durable solution for facilities that prioritize predictable downtime, safe lockout/tagout execution, and long-term operational life.

Specifications

• Amperage rating: 100A
• Number of poles: 3-Pole
• Product type: Fused Disconnect Switch
• Brand: General Electric
• Model: THMC33

Care and installation tips

• Plan for proper lockout/tagout procedures by ensuring space for padlocks and tags on the disconnect handle.
• Coordinate fuse ratings and replacement with your electrical safety plan and local codes.
• Verify compatibility with your three-phase distribution equipment and panel configurations; ensure secure mounting and clear labeling.
• Schedule routine inspections to confirm switch contacts and fuse integrity are in good condition.