GE THN3364R 200A 3P 600V Safety Switch, NEMA 3R, Fusible, Non-Fusible | AmpState

GE THN3364R is a rugged safety switch built for everyday electrical work, serving as a reliable equipment disconnect and isolation point at the load or machine. With a 200 A rating, 3 poles, and a 600 V maximum voltage, this switch is designed to keep your systems safe during maintenance, repair, and normal operation. It’s available in both fusible and non-fusible configurations and comes in a NEMA 3R enclosure for dependable performance in outdoor and harsh environments.

Key specifications at a glance

• Current rating: 200 A
• Pole configuration: 3-pole (3P)
• Voltage rating: Up to 600 V
• Enclosure rating: NEMA 3R for weather-resistant outdoor service
• Configuration options: Fusible and Non-Fusible variants
• Manufacturer: GE (Part Number THN3364R)
• Primary use: Equipment disconnect and point-of-use isolation

Why this safety switch stands out

Designed to align with original part numbers for seamless BOM continuity, the THN3364R is an ideal choice for replacement projects where staying true to the original scope matters. The dual fusible/non-fusible compatibility provides flexibility to adapt to evolving protection schemes without swapping hardware, reducing downtime and inventory complexity. Its NEMA 3R enclosure is purpose-built for outdoor environments, delivering dependable protection against precipitation, dust, and incidental exposure while maintaining easy access for maintenance and testing.

Practical use cases

• Motor control centers and equipment bays requiring a reliable point-of-use disconnect that can be sourced as a spare or replacement for aging gear
• Industrial lines and conveyors where rapid isolation is needed for safe servicing
• Outdoor installations such as pumps, fans, and processing equipment that demand weather-resistant enclosures
• Maintenance workflows that benefit from a BOM-stable part number to prevent parts divergence

Compatibility and purchase support

The GE THN3364R is ready for status quo replacement applications and stocking strategies that keep your BOM aligned to the original part number. If you’re unsure about fit or need help confirming compatibility with your existing gear, AmpState offers assistance to verify that this switch matches your equipment and electrical protection scheme. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.