Eaton FRS-R-150 fuse - 200 kAIC at 600 Vac Class RK5
Part Number: FRS-R-150
Quick Summary
The Eaton FRS-R-150 fuse provides time-delay protection for industrial power circuits, ideal for motor control and distribution panels. This design helps engineers avoid nuisance trips during startup surges while preserving equipment life and uptime. CE marking and RoHS-directed practices reinforce regulatory compliance, while the Class RK5, dual-element construction aligns with Bussmann RK5 standards for robust protection. The fuse supports 150 A at 600 Vac (and 300 Vdc) with a high interrupt rating, enabling safe, scalable protection across evolving plant layouts. In addition, blade-end connections and standard RK5 form factors streamline installation and maintenance, delivering strong business value through reduced downtime and improved panel efficiency.
Product Information
Extended Description
FRS-R-150 Eaton: Eaton Bussmann Series Class RK5 fuse, FRS-R, time-delay, dual-element, current limiting fuse, 150 A, non-indicating fuse, interrupting rating of 200 kA at 600 Vac and 20 kA at 300 Vdc
Product Name
Eaton Bussmann series FRS-R fuse
Catalog Number
FRS-R-150
UPC
051712508469
Product Length/Depth
9.63 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.4 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
150 A
Interrupt rating
200 kAIC at 600 Vac 20 kAIC at 300 Vdc
Response time
10 sec at 500%
Voltage rating
600 Vac, 300 Vdc
Number of elements
Dual
Packaging type
Standard
Class
Class RK5
Connection
Blade end x blade end
Fuse indicator
Non-indicating
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series FRS-R 600 V Class R 65-600 A fuse data sheet no. 1018
Feature: Time-delay, dual-element design → Benefit: Better motor startup tolerance and reduced nuisance trips, increasing uptime in variable loads. Application: Ideal for motor control centers and feeders where inrush is common. Feature: 150 A at 600 Vac with 200 kAIC interrupt rating → Benefit: Handles high fault currents safely, protecting downstream equipment and improving system reliability. Application: Main protection in distribution panels and power rails. Feature: Current-limiting performance → Benefit: Limits arcing and fault energy, reducing component stress and downstream damage. Application: Industrial automation lines and process controls. Feature: Class RK5 rating with blade-end x blade-end connection → Benefit: Quick, secure installation in standard RK5 assemblies, minimizing panel modification time. Application: Retrofit projects and new builds with common Bussmann RK5 footprints. Feature: Non-indicating design → Benefit: Reduces visual wear and simplifies maintenance in cluttered electrical rooms. Application: Systems with centralized diagnostics and clear fuse management. Feature: CE compliance and standard packaging → Benefit: Facilitates global procurement, audits, and consistent quality across sites. Application: Global manufacturing environments with stringent regulatory requirements.
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FAQs
The FRS-R-150 uses blade-end x blade-end connections and follows the standard RK5 form factor, enabling straightforward drop-in replacement in RK5-compatible panels and holders. Its standard packaging and dual-element design simplify field installation, reducing modification needs and procurement complexity for existing control cabinets.
The fuse is rated for 150 A and supports 600 Vac, 300 Vdc with an interrupt rating of 200 kAIC at 600 Vac and 20 kAIC at 300 Vdc. It is time-delay (delay-rated) and current-limiting, designed to handle motor inrush and short-circuit events while protecting downstream components.
This device is well-suited for motor control centers, feeders, and distribution panels where startups cause transient currents. The dual-element RK5 fuse provides selective protection in automation lines, improving uptime in manufacturing cells, conveyors, presses, and other heavy-load equipment.
The FRS-R-150 is CE marked, aligning with essential safety and regulatory standards. It is part of the Class RK5 family, ensuring compatibility with Bussmann RK5 protection schemes and standard industrial practices for reliability and regulatory compliance.
The dual-element design reduces nuisance trips and supports longer fuse life under cycling loads. Time-delay characteristics improve coordination with upstream protection, lowering accidental outages and maintenance costs, while straightforward installation and compatibility with existing RK5 panels shorten commissioning and retrofit timelines.