GE TH3363R - 100A, 600V, Fusible, Safety Switch, NEMA 3R

GE TH3363R is a rugged, fusible safety switch engineered for reliable on/off isolation and precise overcurrent protection in demanding industrial and commercial settings. With a robust 100A rating and a 600V operating capability, this NEMA 3R unit is built to perform where weather, dust, and heavy demand traffic are part of the job.

Designed to streamline electrical safety and protection, the TH3363R combines a disconnect with fuse-based protection in a compact enclosure. This fusion of switching and overcurrent protection simplifies layouts, reduces the need for separate fuse cabinets, and helps maintain clear, compliant isolation points for critical equipment such as motors, pumps, and fans.

Key advantages that set the GE TH3363R apart

• Fusible protection for selective coordination and rapid fault clearing when a fault occurs, helping to minimize damage to downstream equipment.
• NEMA 3R enclosure provides weather-resistant protection, making outdoor installation and exposure to the elements practical and safe.
• 100A, 600V rating suits medium-duty industrial and commercial feeder, motor disconnect, and branch circuit applications with confidence.
• Compact, maintainable design supports straightforward front-access fuse inspection and replacement, reducing downtime during routine maintenance or fuse changes.
• Integrated safety function enables reliable isolation for servicing and safety interlocks on equipment like conveyors, HVAC units, and processing lines.

Ideal use cases

• Motor disconnects for conveyors, compressors, pumps, and fans in factories, warehouses, or processing facilities.
• Panelboard feeders requiring a single, fused isolation point to simplify electrical distribution and protection coordination.
• Outdoor or semi-exposed equipment where weather resistance is a necessity, such as HVAC outdoor units, pumps stations, or exterior electrical rooms.
• Branch circuit protection where a compact, serviceable disconnect with built-in overcurrent protection is preferred over a standalone fuse cabinet.

Installation and practical considerations

The GE TH3363R is designed for straightforward integration into existing electrical layouts. Plan to pair this fusible safety switch with compatible industrial fuses to achieve the intended overcurrent protection, and mount it on a stable surface in a location that aligns with code requirements for NEMA 3R gear. Regular inspection should include verifying fuse integrity and ensuring clear labeling of line and load connections for safe operation and easier maintenance.

What makes it the right choice?

If you need a compact, durable safety switch that provides both isolation and protection in a single enclosure, the TH3363R delivers. It’s particularly well-suited for environments where outdoor exposure, quick maintenance, and reliable motor or circuit protection are priorities. By consolidating switching and fusing, it helps streamline electrical design, reduce cabinet footprint, and support efficient, compliant operation across a range of commercial and industrial applications.

Specs at a glance

• : TH3363R
• : 100A
• : 600V
• : NEMA 3R
• : Fusible (fuse-protected circuit)