Description
The Bussmann LPJ-10SP is a Class J time delay fuse engineered to deliver reliable overcurrent protection for HVAC systems, motors, motor branch circuits, and other industrial electrical equipment. With a 10-ampere current rating and 600V AC/DC voltage rating, this fuse meets the demanding requirements of modern commercial and residential HVAC installations.
Key Features
- Class J time delay fuse — provides superior protection over standard Class H and K fuses
- 10A current rating for precise circuit protection
- 600V AC/DC voltage rating for versatile application
- Dual-element design tolerates harmless motor inrush and temporary overloads without nuisance tripping
- Current-limiting construction helps reduce arc flash hazard and equipment damage during fault conditions
- Compact form factor fits standard Class J fuse holders and disconnect switches
- UL Listed and CSA Certified for North American installations
Dual-Element Time Delay Technology
The LPJ-10SP features Bussmann’s proven dual-element construction, combining a time delay element for overload protection and a fast-acting element for short-circuit protection. This design allows the fuse to ride through the high inrush currents typical of motor startups and transformer energizing without opening, while still responding instantly to dangerous short-circuit faults.
Class J Advantages
- Higher interrupting rating than standard fuse classes — suitable for high available fault current systems
- Rejection-style end caps prevent accidental installation of lower-rated fuses in Class J fuse holders
- Ideal for use in motor controllers, HVAC equipment, control panels, and branch circuit protection
- Enables downsizing of disconnect switches and other protective equipment due to current-limiting performance
Typical Applications
- HVAC compressor and motor branch circuit protection
- Commercial and industrial control panels
- Motor starters and disconnect switches
- Transformer primary protection
- General-purpose branch circuit protection up to 600V
Product Specifications
- Brand: Bussmann
- Model / SKU: LPJ-10SP
- Fuse Class: Class J
- Ampere Rating: 10A
- Voltage Rating: 600V AC/DC
- Type: Time Delay, Dual-Element, Current-Limiting
- Certifications: UL Listed, CSA Certified
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