Overview
The Gould Shawmut TR150R is a Tri-Onic time-delay fuse delivering 150A protection at 250VAC. This current-limiting Class RK5 cartridge fuse features advanced material technology and thermal overload protection, making it a trusted choice for motor circuits, transformers, service entrance equipment, feeders, and branch circuits in industrial and commercial settings.
Key Features
- Tri-Onic time-delay design safely handles motor starting currents and transformer inrush without nuisance trips
- Current-limiting Class RK5 rating reduces arc energy and equipment damage during faults
- D-type cartridge form factor with clamp terminal connection for plug-in style mounting
- Thermal overload protection for enhanced circuit safety
- Visual open fuse indicator option available
Technical Specifications
- Voltage Rating: 250VAC
- Current Rating: 150A
- Fuse Type: Time-Delay (Tri-Onic)
- Class: RK5 (Current-Limiting)
- Form Factor: D-Type Cartridge
- Length: 7-1/8 inches
- Diameter: 1-9/16 inches
- Material: Copper finish, polyester construction
- Connection Type: Clamp terminal
- Mounting Style: Plug-in vertical orientation
- Country of Origin: United States
Typical Applications
- Motor circuit protection and starting current management
- Transformer protection and inrush current handling
- Service entrance and mains equipment protection
- Feeder and branch circuit overcurrent protection
- Industrial manufacturing and commercial electrical systems
Compatibility & Replacements
Compatible With
- 250VAC electrical distribution systems and panelboards
- Industrial motor starters and control circuits
- Transformer banks requiring dual-element protection
- Equipment rated for Class RK5 time-delay fuse compatibility
Replaces / Drop-In Replacement For
- Older Gould Shawmut TR150 models (non-R variant)
- Verify compatibility with your system integrator before ordering
Works With
- Standard 250VAC distribution equipment and fuse holders
- Motor starter assemblies and control cabinets
- Industrial electrical panels rated for RK5 fuses
