Eaton TCF50RN Fuse - UL Listed Class CF Time-Delay
Part Number: TCF50RN
Quick Summary
The Eaton TCF50RN fuse provides time-delay Class CF protection for industrial power distribution and motor control. Engineers frequently contend with nuisance fuse openings and mismatched coordination in compact panels, leading to costly downtime. UL Listed and CSA Certified with CE Marking and RoHS compliance ensure global regulatory alignment and safer, compliant installations. Montage on 35 mm DIN rail, dual-element current-limiting design, and finger-safe housing translate into faster installs, reduced panel space, and longer asset life. The product's 50 A rating and 600 VAC capability support reliable operation in demanding automation circuits, helping maintenance teams improve uptime and asset longevity.
Product Information
Extended Description
TCF50RN Eaton: Eaton Bussmann Series Class CF fuse, TCF, time-delay, dual-element current limiting cube fuse, 50 A, non-idicating fuse, interrupting rating of 100 kA at 300 Vdc and 300 kA at 600 Vac
Product Name
Eaton Bussmann series TCF fuse
Catalog Number
TCF50RN
UPC
051712221016
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
50 A
Frequency rating - max
60 Hz
Frequency rating - min
50 Hz
Interrupt rating
300 kAIC at 600 Vac 100 kAIC at 300 Vdc
Response time
10 sec at 500%
Voltage rating
600 Vac, 300 Vdc
Color
Black
Fuse type
Class CF Time delay
Material
Glass filled PES
Number of elements
Dual
Packaging type
Standard
Class
Class CF
Connection
Blade end
Fuse indicator
Non-indicating
Mounting method
Chassis 35 mm DIN rail
Special features
Finger safe
Used with
TCFH60N, CCP2-3-60CF
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
The Power of Space
The Power of Space
Bussmann series UL Class CF CUBEFuse data sheet no. 9000
Feature → Time-delay Class CF fuse with dual-element current-limiting design, enabling selective coordination and fault-tolerant protection. Business Impact → Reduces nuisance trips during motor startup and inrush events, improving line uptime and project ROI. Application → Ideal for motor control centers and compact power panels in manufacturing settings, including CNC, robotics, and process lines. The result is safer, more predictable protection that minimizes manual resets and service calls. Feature → 50 A rating with voltage range 600 Vac / 300 Vdc and a 300 kAIC interrupt rating at 600 Vac. Business Impact → Provides robust fault clearing for high-energy circuits, safeguarding conductors and downstream devices while preserving system availability. Application → Suitable for high-power drives and feeders in industrial automation where surge events are common. Feature → 35 mm DIN rail mounting; blade end connections; and finger-safe, glass-filled PES housing. Business Impact → Accelerates installation, simplifies panel layout, and reduces retrofit risk in retrofits and new builds. Application → Fits standard electrical cabinets and control panels with minimal enclosure depth. Feature → Compliance and certifications: UL Listed, CSA Certified, CE Marked, RoHS Compliant. Business Impact → Streamlines procurement and reduces supplier qualification effort, ensuring regulatory readiness across global deployments. Application → Applicable to global panels, machine-builds, and legacy equipment upgrades where regulatory adherence is mandatory. Feature → General information: Class CF, non-indicating fuse, 2 elements, compatibility with TCFH60N and CCP2-3-60CF. Business Impact → Broadens replacement options and lifecycle planning; reduces stocking variety while maintaining performance parity. Application → Ideal for modular plant architectures and upgrade pathways in industrial facilities.
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FAQs
A Class CF fuse like the TCF50RN is a time-delay, dual-element current-limiting device designed to tolerate temporary surges during motor start-up while still protecting circuits from sustained faults. In contrast, a fast-acting fuse clears faults quickly with minimal inrush tolerance, which can cause nuisance trips in motor or drive circuits. The CF design trades some instantaneous sensitivity for better inrush handling and selective coordination in motor control panels.
Yes. The TCF50RN is specified for chassis mounting on 35 mm DIN rails and uses blade-end connections, which supports quick, secure installation in standard control panels. Its finger-safe design and compact dimensions further streamline mounting in tight enclosures often encountered in MCCs and cabinet-based automation nodes.
The device is rated at 50 A with a voltage rating of 600 Vac and 300 Vdc. It provides an interrupt rating of 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc, enabling robust fault clearing for high-energy circuits while maintaining selective protection in multi-circuit panels.
Yes. The TCF50RN carries CE marking and RoHS compliance, and is UL Listed as well as CSA Certified, ensuring regulatory compatibility across major markets. This alignment reduces qualification time for global deployments and supports safer, compliant installations in diverse customer environments.
By combining time-delay protection with current-limiting performance, the TCF50RN minimizes nuisance trips during normal startup and surges while protecting downstream equipment. This leads to fewer fuse replacements and service interventions, improved mean time between failures (MTBF), and more predictable maintenance planning in motor drives and power feeders.