Description
The Bussmann LPJ-20SP is a 20-amp, 600-volt Class J time delay fuse engineered to provide dependable overcurrent and short-circuit protection in demanding HVAC and industrial electrical systems. Its time delay characteristic allows the fuse to withstand temporary motor inrush currents and harmless overloads without nuisance tripping, while still responding rapidly to dangerous fault conditions.
Key Features
- 20-amp continuous current rating
- 600VAC / 300VDC voltage rating
- Class J form factor for high-interrupting capacity
- Time delay design accommodates motor startup inrush currents
- Dual-element construction for precise overload and short-circuit protection
- Current-limiting performance reduces arc flash energy and equipment stress
- Compact, rejection-style body prevents installation of lower-rated fuse classes
- UL Listed for safety and code compliance
Typical Applications
- HVAC compressor and motor branch circuit protection
- Commercial and industrial control panel fusing
- Disconnect switch and fuse block installations
- Motor control centers and combination starters
- General-purpose electrical distribution systems
Why Choose the Bussmann LPJ-20SP?
Bussmann’s LPJ Series fuses are a trusted solution among HVAC professionals and electrical contractors. The Class J rejection feature ensures only properly rated fuses can be installed, eliminating the risk of over-fusing. The dual-element, time delay design protects motors and transformers from nuisance outages while maintaining fast response to short circuits — keeping equipment and personnel safe.
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