Eaton FCF45RN Fuse - Class CF UL Listed Fast-Acting
Part Number: FCF45RN
Quick Summary
The Eaton FCF45RN fuse delivers fast-acting overcurrent protection for industrial power circuits and control panels. Design teams often wrestle with nuisance trips and limited cycling performance when protecting equipment against short faults. This device carries UL Listed, CSA Certified, and CE Marked RoHS compliant statuses, reinforcing safety and regulatory alignment. With a blade-end Class CF fast-acting cube fuse design, it supports reliable installations and high interrupt capability, helping reduce downtime and maintenance costs. In practice, it fits compact spaces and harmonizes with TC FH60N and CCP2-3-60CF assemblies, delivering predictable protection and lowering total cost of ownership for industrial systems.
Product Information
Extended Description
FCF45RN Eaton: Eaton Bussmann Series UL Class CF, FCF fuse, fast-acting, single-element cube fuse, 45 A, non-idicating fuse, interrupting rating of 50 kA at 600 Vdc and 300 kA at 600 Vac
Product Name
Eaton Bussmann series FCF fuse
Catalog Number
FCF45RN
UPC
051712362511
Product Length/Depth
2.13 in
Product Height
1.9 in
Product Width
1 in
Product Weight
0.17 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
UL Listed CSA Certified
Amperage Rating
45 A
Frequency rating - max
60 Hz
Frequency rating - min
50 Hz
Interrupt rating
50 kAIC at 600 Vdc 300 kAIC at 600 Vac
Response time
6 min at 200%
Voltage rating
600 Vac, 600 Vdc
Color
Black
Fuse type
Class CF Fast acting
Material
Glass filled PES
Number of elements
1
Operating Temperature
-40° to 80°C
Packaging type
Standard
Terminal material
Electroless tin plated copper alloy terminal
Class
Class CF
Connection
Blade end
Fuse indicator
Non-indicating
Special features
Superior overload and cycling capabilities
Used with
TCFH60N, CCP2-3-60CF
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
The Power of Space
The Power of Space
Bussmann series Fast-acting CUBEFuse data sheet no. 2147
Feature: 45 A at 600 Vac/600 Vdc with interrupt ratings of 50 kAIC at 600 Vdc and 300 kAIC at 600 Vac. Business Impact: Provides robust protection for high-current circuits while minimizing damage during faults, improving system reliability and reducing repair costs. Application: Suitable for power distribution panels and industrial drives where dependable fast-acting protection is critical. Feature: Class CF fast-acting, single-element cube fuse in a compact 2.13 in length form. Business Impact: Enables rapid fault clearing to limit arc flash exposure and equipment stress, supporting safer and more efficient panel layouts. Application: Used in compact control panels and integrated protective assemblies. Feature: Blade-end connection and tin-plated copper alloy terminals with glass-filled PES body. Business Impact: Improves mechanical stability and corrosion resistance, extending service life in demanding environments. Application: Fast, secure installation in standard fuse holders and blade-end circuits. Feature: Regulatory compliance and features including CE Marked, RoHS Compliant, UL Listed, and CSA Certified; non-indicating operation. Business Impact: Ensures regulatory adherence, material safety, and straightforward indication-free operation, reducing nuisance indicators while preserving clear fault signaling in other devices. Application: Industrial cabinets and compliance-driven installations. Feature: Operating temperature range from -40°C to 80°C and a 1-element design used with ecosystem accessories like TCFH60N and CCP2-3-60CF. Business Impact: Supports reliable performance across wide ambient conditions and simplifies system integration. Application: Harsh environment applications and Eaton protection schemes needing compatibility with established components. Feature: Performance characteristics including a 6-minute response at 200% load. Business Impact: Provides predictable fault clearing under surge conditions, aiding coordination with upstream protection and reducing downtime. Application: Critical in systems with transient overloads and cycling sensitivity.
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FAQs
The FCF45RN employs a blade-end connection designed for standard fuse holders and Eaton protection modules. It is a single-element cube fuse that integrates with TC F60N and CCP2-3-60CF families, enabling straightforward installation in control panels and power distribution boards.
Key specifications include a 45 A amperage rating, voltage ratings of 600 Vac and 600 Vdc, and interrupt ratings of 50 kAIC at 600 Vdc and 300 kAIC at 600 Vac. The device is fast-acting with a reported response of 6 minutes at 200% overload, supporting precise protection coordination.
Yes. With Class CF fast-acting performance, blade-end connection, and high interrupt ratings, the FCF45RN is well-suited for motor control centers, power distribution panels, and industrial control cabinets where reliable fast-clearing protection and compact form factor are required.
The FCF45RN is UL Listed and CSA Certified, with CE Marking and RoHS compliance. These certifications verify safety, regulatory alignment, and material compliance, simplifying procurement for regulated environments and helping ensure product traceability in audits.
The fuse’s robust overload and cycling capabilities, wide operating temperature range, and corrosion-resistant terminals reduce nuisance trips and maintenance. Compatibility with Eaton’s protection family enables standardized spares and faster replacements, delivering lower lifecycle costs and improved system uptime.