Description
The Bussmann LPJ-175SPI is a 175-amp, 600-volt Class J time-delay fuse engineered to deliver superior overcurrent and short-circuit protection in demanding HVAC, commercial, and industrial electrical applications. The built-in blown fuse indicator takes the guesswork out of troubleshooting — a clear visual signal immediately identifies a blown fuse, reducing system downtime and speeding up service calls.
Class J fuses are recognized for their high interrupting capacity and compact footprint, making them an ideal choice where space is at a premium and reliable protection is non-negotiable. The time-delay feature allows the fuse to withstand harmless temporary overloads — such as motor startup inrush currents common in HVAC equipment — while still responding rapidly to damaging fault conditions.
Key Features
- 175-amp continuous current rating
- 600-volt AC maximum voltage rating
- Class J current-limiting fuse design
- Time-delay action accommodates motor inrush and temporary overloads
- Built-in blown fuse indicator for fast, easy fault identification
- High interrupting capacity for robust short-circuit protection
- Compact Class J form factor fits standard Class J fuse holders and blocks
Typical Applications
- HVAC equipment branch-circuit and feeder protection
- Motor branch-circuit protection
- Commercial and industrial control panels
- Disconnect switches and fused safety switches
- Transformer and capacitor protection
Specifications
- SKU: LPJ-175SPI
- Brand: Bussmann
- Amperage: 175A
- Voltage: 600V AC
- Fuse Class: Class J
- Indicator: Yes — built-in blown fuse indicator
- Action Type: Time-Delay
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