GE TH3325R - 400A, 240V, 3-Pole, Safety Switch, NEMA 3R

GE TH3325R is a robust, ready-to-install safety switch engineered to deliver dependable on/off isolation and overcurrent protection in demanding industrial and commercial settings. With a 400A rating, 240V operation, and 3-pole configuration, this fusible safety switch provides a compact, maintainable solution for motor disconnects, panelboards, and branch circuit protection. The NEMA 3R enclosure is purpose-built for outdoor and semi-exposed environments, resisting rain, sleet, and incidental moisture while keeping electrical power safely contained.

Key specifications

• Model: TH3325R
• Current rating: 400 A
• Voltage: 240 V
• Poles: 3-Pole
• NEMA rating: 3R
• Type: Safety switch with fusible protection

Why this GE safety switch stands out

• Focused on real-world reliability: engineered to provide clean, immediate isolation for large motors and feeders, reducing the risk of power faults propagating downstream.
• Compact, maintainable design: the TH3325R’s footprint fits tighter control panels and MCCs without sacrificing accessibility for fuse replacement and inspection.
• Outdoor-ready protection: the NEMA 3R enclosure enables safe outdoor installation or exposure to damp environments, helping protect both the switch and the connected equipment.
• Clear integration point for protection schemes: ideal as a motor disconnect or as part of a panelboard/branch circuit protection strategy, offering a single, reliable point of control.

Ideal use cases

• Motor disconnects for pumps, fans, compressors, conveyors, and other high‑demand equipment
• Control panelboards where a compact, easy-to-service disconnect is required
• Branch circuit protection in outdoor or semi-exposed locations, such as equipment yards, loading docks, or protected outdoor enclosures

Practical considerations and insights

When planning installation, consider how the TH3325R will fit into your existing protection strategy. Its fusible design complements upstream breakers by providing a straightforward path for isolating circuits during maintenance or fault events, helping to minimize downtime. The 3R enclosure is specifically chosen to withstand weather-related challenges, making it a solid choice for outdoor or semi-protected installations.

Maintenance is streamlined thanks to its compact, accessible form. Regularly inspect fuse elements, ensure secure connections, and verify that the enclosure remains weather-tight to preserve long-term reliability. For teams upgrading from older disconnects, the TH3325R offers a clear, familiar operating experience with robust protection in a single, durable unit.

In short, the GE TH3325R 400A, 240V, 3-Pole Safety Switch with NEMA 3R enclosure is a purpose-built solution for reliable motor control, clean isolation, and protected performance in both harsh outdoor settings and demanding indoor environments.