Description
The Bussmann JJS-50 is a Class T fast-acting fuse engineered to deliver dependable overcurrent and short-circuit protection in demanding HVAC, commercial, and industrial electrical applications. Rated at 600 volts and 50 amperes, this fuse provides high-performance protection where space is limited and reliable interruption is critical.
Key Features
- Amperage Rating: 50A
- Voltage Rating: 600V AC/DC
- Fuse Class: Class T (compact, high-interrupting capacity)
- Action Type: Fast-Acting (F/A) — responds rapidly to overloads and short circuits
- Compact form factor for space-saving panel and disconnect installations
- Designed for use in fuse blocks, disconnects, and control panels
- Suitable for motor branch circuits, HVAC equipment, and industrial control applications
Why Class T?
Class T fuses are recognized for their compact size and high interrupting ratings, making them ideal for installations where panel space is at a premium. Their fast-acting response minimizes damage to downstream equipment during fault conditions, protecting motors, compressors, and sensitive HVAC controls.
Typical Applications
- HVAC equipment disconnect and branch circuit protection
- Commercial and industrial control panels
- Motor and compressor branch circuits
- Fuse blocks requiring 600V Class T protection
Specifications
- Brand: Bussmann
- Part Number / SKU: JJS-50
- Ampere Rating: 50A
- Voltage Rating: 600V
- Class: T
- Type: Fast-Acting (F/A)
