Overview
The Square D LR21455 is a heavy-duty, 3-pole fuse holder rated for 600V at 30A, manufactured by Schneider Electric. Designed for industrial electrical circuits and control panels, this unit provides secure mounting and electrical connection for standard fuses. The quick connect terminal design eliminates the need for screw fasteners, reducing installation time and maintenance labor on the shop floor.
Key Features
- Three-pole configuration for three-phase circuits
- Quick connect terminals for tool-free installation
- 600V AC voltage rating with 30A current capacity
- Rugged industrial-grade construction for long service life
- Compatible with standard fuse blocks and electrical enclosures
- Panel or enclosure mount design
Technical Specifications
- Manufacturer: Schneider Electric (Square D)
- Model Number: LR21455
- Voltage Rating: 600V AC
- Current Rating: 30A
- Pole Configuration: 3-pole
- Terminal Type: Quick Connect
- Product Type: Fuse Holder
- Mounting: Panel/Enclosure Mount
- Condition: New – No Box
- Status: Discontinued by Manufacturer
Typical Applications
- Electrical control panels and power distribution enclosures
- Industrial machine control systems and motor starters
- OEM equipment builds requiring 3-phase circuit protection
- Backup and spare parts for existing Square D installations
- Plant floor upgrades and maintenance replacements
Compatibility & Replacements
Compatible With
- Square D LR series fuse blocks and components
- Standard industrial control transformers (e.g., Square D 9070TF series)
- 600V three-phase electrical distribution systems
- Class H and standard industrial fuses rated for 30A
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The LR21455 is discontinued by the manufacturer; confirm that your existing panel or equipment is configured for this specific model or its exact electrical and terminal specifications.
Works With
- Industrial control transformers and power supplies
- Motor control centers and starter cabinets
- Electrical enclosures rated for 600V three-phase service
- Standard industrial fuse types compatible with 30A ratings
