Bussmann FRN-R Time Delay Fuse 15A Class RK5 Dual Element Non-Indicating
Professional Time Delay Protection for Motor and Inductive Load Applications
The Bussmann FRN-R time delay fuse delivers reliable overcurrent protection with dual element design for motor circuits and inductive loads. This Class RK5 fuse features 15A rating with ferrule end connections, 8 second response time at 500% overload, and high interrupt capacity of 200 kAIC at 250 Vac for demanding electrical applications requiring selective coordination and motor starting capability.
Professional Features & Benefits
- 15A Current Rating: Provides precise overcurrent protection for medium-duty motor and lighting circuits with reliable amperage control.
- Class RK5 Design: Offers current-limiting performance with time delay characteristics for selective coordination in electrical distribution systems.
- Dual Element Construction: Combines overload and short-circuit protection elements for comprehensive motor starting and fault protection capability.
- 200 kAIC Interrupt Rating: Delivers high fault current interruption capacity at 250 Vac for robust protection in demanding electrical environments.
- 8 Second Time Delay: Allows temporary overloads at 500% rating for motor starting while providing fast fault clearing for safety.
- Ferrule End Connections: Ensures secure mechanical and electrical connections in fuse holders and disconnect switches.
- CE Marked Compliance: Meets European conformity standards for international electrical installation requirements.
Technical Specifications
- Amperage Rating: 15 A
- Class: Class RK5
- Compliances: CE Marked
- Connection: Ferrule end x ferrule end
- Department: Electrical
- Fuse Indicator: Non-indicating
- Interrupt Rating: 200 kAIC at 250 Vac
- Number Of Elements: Dual
- Packaging Type: Standard
- Product Group: Fuses
- Product Height: .56 in
- Product Length Depth: 2 in
- Product Subgroup: Time Delay Fuses
- Product Type: Time Delay Fuses
- Product Weight: .5 lb
- Product Width: .56 in
- Response Time: 8 sec at 500%
- Voltage Rating: 250 Vac, 125 Vdc
Installation & Operation
- Mount the unit in a suitable location with appropriate clearance and access for connections and service.
- Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
- Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
- Configure any available load management or control features as supported by the provided specifications.
- Test automatic transfer or operational functionality and verify proper performance before placing into service.
- Complete final inspection and follow ongoing maintenance practices appropriate to the product category.
Professional Applications
- Motor Control Centers and Combination Starters
- HVAC Equipment Protection
- Industrial Machinery and Process Equipment
- Commercial Lighting and Power Distribution
- Pump and Compressor Motor Circuits
- Conveyor and Material Handling Systems
- Manufacturing and Production Facilities
Why Choose Bussmann Quality?
Bussmann time delay fuses provide proven reliability in motor protection applications with CE marked compliance and robust dual element construction. The compact .56 x 2 inch design fits standard fuse holders while delivering professional-grade overcurrent protection for critical electrical systems requiring selective coordination and motor starting capability.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 15 A
- Class:
- Class RK5
- Compliances:
- CE Marked
- Connection:
- Ferrule end x ferrule end
- Fuse Indicator:
- Non-indicating
- Interrupt Rating:
- 200 kAIC at 250 Vac
- Number Of Elements:
- Dual
- Packaging Type:
- Standard
- Product Height:
- .56 in
- Product Length Depth:
- 2 in
- Product Weight:
- .5 lb
- Product Width:
- .56 in
- Response Time:
- 8 sec at 500%
- Voltage Rating:
- 250 Vac, 125 Vdc
- Product Type:
- Time Delay Fuses
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Time Delay Fuses