Eaton TCF25 Fuse – Class CF Time-Delay, UL Listed
Part Number: TCF25
Quick Summary
The Eaton TCF25 fuse is a Class CF time-delay device protecting industrial circuits in control panels. End users often face nuisance trips and downtime from fast, non-time-delayed fuses; this time-delay design minimizes that risk. It carries UL Listed and CSA Certified markings, and CE RoHS compliance to meet global safety and environmental standards. Engineered for DIN rail compatibility, the 25 A rating and dual-element design support reliable fault clearing while minimizing unnecessary outages. For procurement and maintenance teams, the standardized Bussmann series footprint simplifies stocking and field service, while delivering predictable protection margins across mixed voltage applications. This combination of safety, compatibility, and performance translates into tangible uptime and total cost-of-ownership benefits.
Product Information
Extended Description
TCF25 Eaton: Eaton Bussmann Series Class CF fuse, TCF, time-delay, dual-element current limiting cube fuse, 25 A, indicating fuse, interrupting rating of 100 kA at 300 Vdc and 300 kA at 600 Vac
Product Name
Eaton Bussmann series TCF fuse
Catalog Number
TCF25
UPC
051712615020
EAN
5027590116961
Product Length/Depth
1.88 in
Product Height
1.75 in
Product Width
0.75 in
Product Weight
0.08 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
UL Listed CSA Certified
Amperage Rating
25 A
Frequency rating - max
60 Hz
Frequency rating - min
50 Hz
Interrupt rating
100 kAIC at 300 Vdc 300 kAIC at 600 Vac
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
With Indicator
Mounting method
Chassis 35 mm DIN rail
Special features
Finger safe
Used with
TCFH30N, CCP2-3-30CF
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series Fuseology
Bussmann series UL Class CF CUBEFuse data sheet no. 9000
Feature is a Class CF time-delay fuse with dual elements that limits current surges while allowing temporary inrush, reducing nuisance tripping. Business impact is improved equipment uptime and reduced maintenance costs, especially in motor and drive applications where inrush is common. Application-wise, it is ideal for 50–60 Hz industrial control circuits powered up to 600 Vac or 300 Vdc, ensuring robust protection in panels and cabinets using DIN rail mounting. Feature is blade-end connections and chassis mounting that simplify retrofits and new installations, enabling faster panel builds and easier field maintenance. Business impact is faster commissioning and lower field labor costs due to intuitive installation and widely supported Bussmann series compatibility. Application context includes protection of feeders, motor starters, and control logic in machine automation environments. Feature is RoHS and CE compliance; benefit is regulatory peace-of-mind and safer, more sustainable equipment fleets. The cube fuse design also contributes to compact panel layouts, helping to meet space constraints in modern control architectures. Finally, the indicator option supports quick fault diagnosis, reducing downtime during maintenance and enabling quicker root-cause analysis.
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FAQs
The TCF25 features a blade-end connection designed for 35 mm DIN rail mounting, enabling straightforward integration into standard control panels. This compact, chassis-style fuse simplifies retrofits and new builds alike, reducing wiring complexity and improving serviceability in industrial automation environments.
The TCF25 is a 25 A time-delay fuse with voltage ratings of 600 Vac and 300 Vdc. It provides an interrupting rating of 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc, offering fast fault clearance for high-energy circuits while accommodating controlled inrush in motor drives and power supplies.
Yes. The device is UL Listed and CSA Certified, with CE marking and RoHS compliance. These certifications ensure electrical safety, reliability, and environmental responsibility across global markets, helping meet regulatory requirements in industrial facilities and automation projects.
Commonly deployed in control panels, motor control centers, and power distribution assemblies, the TCF25 protects DC bus sections and AC control circuits. Its Class CF time-delay design is well-suited for applications with short surges and transient inrush, enabling safer operation of drives and controllers.
Time-delay, dual-element fuses tolerate temporary inrush without tripping, reducing nuisance outages and downtime. For users, this translates to improved machine availability, simpler maintenance, and lower energy losses, while maintaining stringent overcurrent protection and compatibility with Bussmann series components.