Bussmann FRN-R Time Delay Fuse 5A Class RK5 Dual Element Ferrule End

Bussmann FRN-R Time Delay Fuse 5A Class RK5 Dual Element Ferrule End

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 5A rating with ferrule end connections, providing 8 second response time at 500% overload and high interrupt capacity of 200 kAIC at 250V AC and 20 kAIC at 125V DC for comprehensive electrical system protection.

Professional Features & Benefits

• 5A Amperage Rating: Precisely calibrated current protection for motor and lighting circuits requiring reliable overcurrent detection.
• Class RK5 Design: Current-limiting performance with time delay characteristics ideal for inductive load applications with startup surge requirements.
• Dual Element Construction: Combines overload and short-circuit protection elements for comprehensive circuit protection in a single device.
• Ferrule End Connections: Secure mechanical and electrical connection system ensuring reliable contact and easy installation in compatible fuse holders.
• 8 Second Response Time at 500%: Time delay characteristic allows temporary overloads while providing fast response to sustained overcurrent conditions.
• High Interrupt Rating: 200 kAIC at 250V AC and 20 kAIC at 125V DC capacity handles high fault currents for enhanced system protection.
• CE Marked Compliance: Meets European conformity standards for quality assurance and international application compatibility.

Technical Specifications

• Amperage Rating: 5A
• Class: Class RK5
• Compliances: CE Marked
• Connection: Ferrule end x ferrule end
• Department: Electrical
• Fuse Indicator: Non-indicating
• Interrupt Rating: 20 kAIC at 125 Vdc
• Number Of Elements: Dual
• Packaging Type: Standard
• Product Group: Fuses
• Product Height: .81 in
• Product Length Depth: 3 in
• Product Subgroup: Time Delay Fuses
• Product Type: Time Delay Fuses
• Product Weight: .1 lb
• Product Width: .81 in
• Response Time: 8 sec at 500%
• Voltage Rating: 250 Vac, 125 Vdc

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Motor Control Centers and Starter Panels
• HVAC Equipment Protection
• Industrial Machinery and Equipment
• Commercial Lighting Circuits
• Pump and Compressor Applications
• Transformer Primary Protection
• Control Panel and Switchgear Applications

Why Choose Bussmann Quality?

Bussmann time delay fuses provide proven reliability with CE marked compliance and precision-engineered dual element construction. The compact .81 x 3 inch design and ferrule end connections ensure professional installation while delivering consistent overcurrent protection performance for critical electrical systems.