Eaton BP/FRN-R-50 fuse - RK5 time-delay, CE Marked
Part Number: BP/FRN-R-50
Quick Summary
BP/FRN-R-50 fuse provides reliable overcurrent protection for motor and control circuits in industrial automation. Our customers struggle with nuisance trips and downtime when protecting evolving motor duty cycles. It carries CE marking and uses the RK5 class construction for reliable panel protection. Designed for ferrule-end terminations, this fuse offers fast field installation and consistent performance. In addition, its time-delay feature tolerates short surges while guarding against damaging faults, reducing downtime and replacement costs. The dual-element design improves reliability in circuits with repetitive start/stop cycles, and the blister packaging supports easy stocking and identification in field service. For engineers sourcing replacement parts, BP/FRN-R-50 aligns with Bussmann RK5 criteria and common European and global protection standards.
Product Information
Extended Description
BP/FRN-R-50 Eaton: Eaton Bussmann series FRN-R fuse, Time-delay current-limiting fuse, 50 A, Dual, RK5, Non-indicating, Ferrule end x ferrule end, 13 sec at 500%, 20 kAIC Vdc, 200 kAIC V, Blister pack
Product Name
Eaton Bussmann series FRN-R fuse
Catalog Number
BP/FRN-R-50
UPC
051712112086
Product Length/Depth
3 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.273 lb
Compliances
CE Marked
Amperage Rating
50 A
Interrupt rating
200 kAIC Vac 20 kAIC Vdc
Response time
13 sec at 500%
Number of elements
Dual
Packaging type
Standard Blister
Class
Class RK5
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Special features
Rejection style
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - BP/FRN-R-50
Feature: Time-delay current-limiting design handles motor inrush and transient overloads without unnecessary outages, delivering predictable protection for automation panels. Business Impact: Reduces nuisance trips, extends equipment life, and lowers maintenance costs. Application: Suitable for motor starters, drives, and distribution in industrial control panels where inrush is common. Feature: 50 A amperage rating with a 13 sec at 500% trip characteristic supports controlled fault clearing while tolerating surge currents. Business Impact: Improves selectivity in protection schemes, minimizing downtime and replacement parts. Application: Mid-range motor circuits and power feeds in automated lines. Feature: 200 kAIC Vac and 20 kAIC Vdc interrupt ratings provide high fault current tolerance. Business Impact: Enhanced safety margins for high-energy industrial environments and demanding drives. Application: Panelboards and DC-link protections in automated systems. Feature: Dual elements and RK5 class construction improve reliability and compatibility with standard Bussmann RK5 holders. Business Impact: Easy upgrade paths and reduced inventory complexity. Application: Retrofit and new-build control panels in manufacturing settings. Feature: Ferrule-end termination and non-indicating design streamline installation and maintenance. Business Impact: Quick wiring, robust connections, and clean panel appearance. Application: Field installations and serviceable control cabinets. Feature: CE marking and standard blister packaging support regulatory compliance and efficient stocking. Business Impact: Simplifies procurement and ensures European market readiness. Application: Global supply chains serving OEMs and integrators.
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FAQs
Install the BP/FRN-R-50 using ferrule-end terminations into RK5-rated fuse blocks designed for Bussmann devices. Verify the 3 in length and 0.81 in cross-section fit within the panel space, and ensure proper torque and termination cleanliness. The dual-element design supports reliable operation during motor starts, reducing nuisance trips after installation.
BP/FRN-R-50 provides a 50 A rating with 200 kAIC Vac and 20 kAIC Vdc interrupt ratings, and a trip profile of roughly 13 seconds at 500% overload. These figures support motor and drive protection in facilities with high transient currents while maintaining selective coordination with upstream protection.
Yes. The fuse uses RK5 class construction and ferrule-end terminations, ensuring straightforward compatibility with Bussmann RK5 holders. This simplifies substitution, stocking, and maintenance across existing control panels and new installations.
Ideal for industrial control panels, motor starters, and drives where inrush currents are common but reliable fault clearing is required. Its 50 A rating and dual-element design deliver protection for moderate power feeds while withstanding high fault currents, reducing downtime and extending equipment life.
The BP/FRN-R-50 is CE marked, indicating compliance with European safety standards. It also features RK5 class construction and non-indicating, rejection-style features, which support regulatory alignment and straightforward field service in European and global markets.