Eaton FCF70RN Fuse - 200 kAIC at 600 Vac, UL Listed Class CF
Part Number: FCF70RN
Quick Summary
The Eaton FCF70RN fuse provides fast-acting protection for industrial DC and AC circuits. Nuisance blows and unexpected outages from transient faults plague power controls and manufacturing lines, driving maintenance costs and downtime. UL Listed, CSA Certified, and CE RoHS compliant, with Class CF fast-acting performance, this fuse meets critical safety and regulatory requirements for panel boards and drives. Designed for blade-end mounting, it enables straightforward field installation and reliable terminations. The device aligns with Bussmann series holders and the accompanying data sheets, reducing design risk and enabling quicker time-to-production. In high-demand applications such as motor drives, programmable logic controllers, and power distribution, predictable protection and a robust interrupt rating matter for uptime and total cost of ownership.
Product Information
Extended Description
FCF70RN Eaton: Eaton Bussmann Series UL Class CF, FCF fuse, fast-acting, single-element cube fuse, 70 A, non-idicating fuse, interrupting rating of 50 kA at 600 Vdc and 200 kA at 600 Vac
Product Name
Eaton Bussmann series FCF fuse
Catalog Number
FCF70RN
UPC
051712362542
Product Length/Depth
3.01 in
Product Height
2.125 in
Product Width
1 in
Product Weight
0.284 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
UL Listed CSA Certified
Amperage Rating
70 A
Frequency rating - max
60 Hz
Frequency rating - min
50 Hz
Interrupt rating
200 kAIC at 600 Vac 50 kAIC at 600 Vdc
Response time
8 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
TCFH100N, CCP2-3-100CF
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series Fuseology
Bussmann series Fast-acting CUBEFuse data sheet no. 2147
Feature: UL Class CF fast-acting, single-element cube fuse protects high-current circuits quickly. Benefit: Reduces fault energy and limits collateral damage to controllers, drives, and wiring, improving equipment uptime and reducing repair costs. Application: Ideal for industrial control panels and power distribution where fast clearance is essential and nuisance blows are costly. Feature: 70 A amperage rating with a 600 Vac / 600 Vdc voltage rating. Benefit: Handles high-load conditions while maintaining safe isolation, enabling compact designs without oversizing components. Application: Suitable for motor drives, PLCs, and distribution blocks in harsh environments. Feature: Interrupt ratings of 200 kAIC at 600 Vac and 50 kAIC at 600 Vdc. Benefit: Strong short-circuit protection for large panels and critical loads, minimizing arc flash risk and downtime. Application: Systems requiring robust protection across mixed AC/DC networks. Feature: Blade-end connection, glass-filled PES body, and tin-plated copper alloy terminals. Benefit: Reliable terminations with corrosion resistance and easy field replacement. Application: Fits standard Bussmann holders and supports quick swap-outs during maintenance. Feature: Operating temperature −40° to 80°C and non-indicating indicator. Benefit: Predictable performance in extreme environments and reduced false indicators, lowering maintenance complexity. Application: Industrial environments with wide temperature ranges. Feature: Used with TCFH100N and CCP2-3-100CF. Benefit: Clear installation references and streamlined design-in for panel builders. Application: System integrators can plan wiring and compatibility with confidence.
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FAQs
The FCF70RN uses a blade-end connection designed for straightforward panel installation. Align it with compatible Bussmann series holders such as TCFH100N or CCP2-3-100CF, secure with proper terminal torque, and verify 70 A rating matches the protected circuit. Refer to the Bussmann data sheet for wiring diagrams and mounting clearances to ensure safe, code-compliant installation.
The fuse offers 70 A with a voltage rating of 600 Vac and 600 Vdc. It provides an interrupt rating of 200 kAIC at 600 Vac and 50 kAIC at 600 Vdc, enabling fast protection for high-energy faults while maintaining system safety and continuity during normal operation.
Yes. With a 70 A rating and Class CF fast-acting design, the FCF70RN is well-suited for motor drives, PLC interfaces, and power-distribution panels where rapid fault clearing reduces damage and downtime. Its 600 Vac/DC capability supports mixed AC/DC drive assemblies commonly used in industrial automation.
The FCF70RN is UL Listed and CSA Certified, with CE RoHS compliance. These certifications support global compliance programs and help ensure safe installation within regulated industrial environments.
The fuse features superior overload and cycling capabilities and a non-indicating design that reduces nuisance maintenance. Its robust construction, compatible with Bussmann accessories, minimizes unscheduled replacements and supports predictable lifecycle costs in demanding manufacturing environments.