General Electric TH3366 Disconnect Switch (Fusible) - Essential Electric Supply
General Electric TH3366 Disconnect Switch (Fusible) - Essential Electric Supply

General Electric TH3366 - Fusible Disconnect Switch 600A 600V (200kA AIC 3-Pole)

General Electric
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⚡ Product Branding Information

Some General Electric products may now ship with ABB branding due to ABB’s acquisition of GE Industrial Solutions.

Depending on the manufacturing date or production batch, the item or packaging may display either GE or ABB branding.

Unless otherwise noted, these products are considered equivalent in form, fit, function, and specifications.

Please contact our team before placing your order if brand labeling or packaging is critical for your application.

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General Electric TH3366 is a fusible safety disconnect switch designed for reliable circuit isolation and protection in industrial power distribution systems. This heavy-duty switch operates at 600V AC with a 600A current rating, providing robust electrical capacity for three-phase applications. Constructed with a durable NEMA 1 enclosure and weighing 250 lb, the unit features a single configuration with three poles and accommodates Class R fuses for coordinated protection. The switch meets industry standards with its impressive 200kA interrupting rating at 600V, ensuring high-fault current protection. Typical applications include industrial control panels, motor control centers, and main distribution equipment where safe maintenance isolation is required.

Key Features & Specifications
  • Type: Fusible safety disconnect switch, Spec-Setter family, TH type
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Dimensions: Compatible with ED frames
  • Standards: NEMA 1 rated enclosure
  • Applications: Industrial power distribution, motor control centers, main disconnects
  • Switch Type: Fusible disconnect
  • Configuration: Single
  • Poles: 3
  • Phase: 3-phase
  • AIC rating: 200kA@600V
  • Fuse Class: R
  • Weight: 250 lb
  • Mounting: Industrial panel mounting
  • Compatible Frames: ED series


Product Identification
  • UPC: 078316400919
  • GTIN: 00783164009194