Description
The Bussmann LPJ-125SP is a 125-amp, 600VAC-rated Class J time-delay, dual-element fuse engineered to deliver dependable overcurrent protection for HVAC equipment, motors, transformers, and other demanding electrical loads. Built to the stringent Class J standard, this fuse provides a high degree of current limitation, helping to protect downstream components from the damaging effects of short-circuit currents.
Key Features
- 125-amp continuous current rating
- 600VAC maximum voltage rating
- Class J current-limiting design for superior short-circuit protection
- Dual-element, time-delay construction tolerates normal motor inrush and temporary overloads without nuisance blowing
- Compact Class J dimensions — non-interchangeable with lower-rated fuse classes for added safety
- Suitable for use in Class J fuse holders and fusible disconnects rated for Class J fuses
- UL Listed and CSA Certified
Typical Applications
- HVAC compressor and motor branch-circuit protection
- Transformer primary protection
- Motor control centers and panel boards
- Commercial and industrial electrical distribution systems
- Fusible disconnect switches requiring Class J fuses
Specifications
- SKU: LPJ-125SP
- Brand: Bussmann
- Ampere Rating: 125A
- Voltage Rating: 600VAC
- Fuse Class: Class J
- Fuse Type: Time-Delay, Dual-Element
- Interrupting Rating: 200,000A RMS Symmetrical (200kAIC)
- Certifications: UL Listed, CSA Certified
The LPJ-SP series from Bussmann is a trusted choice among HVAC professionals and electrical contractors who require reliable, code-compliant overcurrent protection. The dual-element design provides the flexibility to handle the high inrush currents common during motor startup while still offering fast response to damaging short-circuit faults. Order the Bussmann LPJ-125SP from Jackson Systems today.







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