Description
The Bussmann FRS-R-150 is a Class RK5 time-delay fuse engineered to deliver dependable overcurrent and short-circuit protection in demanding HVAC and industrial electrical systems. With a 150-amp current rating and a 600VAC voltage rating, this fuse is well-suited for motor branch circuit protection, control panels, and power distribution applications where reliable performance is critical.
Class RK5 fuses are recognized for their current-limiting characteristics and time-delay action, allowing motors and other inductive loads to start without nuisance blowing while still providing fast response to dangerous fault conditions. The FRS-R series features a rejection-style ferrule design that prevents the installation of non-current-limiting fuses in Class RK5 fuse holders, adding an important layer of safety to your electrical installation.
Key Specifications
- SKU: FRS-R-150
- Amperage Rating: 150A
- Voltage Rating: 600VAC
- Fuse Class: Class RK5
- Type: Time-Delay (Dual-Element)
- Style: Current-Limiting
- Rejection Feature: Yes — prevents substitution with non-current-limiting fuses
Features & Benefits
- Time-delay action accommodates motor inrush current without nuisance tripping
- Current-limiting design reduces incident energy and protects downstream components
- Class RK5 rejection ferrule ensures proper fuse holder compatibility
- Suitable for motor branch circuits, HVAC equipment, and industrial control panels
- Manufactured by Bussmann, a trusted name in fuse and circuit protection technology
Typical Applications
- HVAC compressor and motor branch circuit protection
- Industrial control panel overcurrent protection
- Power distribution systems rated up to 600VAC
- Motor starters and disconnect switches
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