Eaton Bussmann TCF40 40A Class CF Fuse – 600VAC / 300VDC

In stock
SKU: TCF40 GTIN/UPC: 051712615051
Regular price $92.40
CONDITION
Need Reconditioned? Get Price by Calling
Call Us
Secure transaction
FREE & fast shipping on orders over $149
1 year warranty
30 day returns

Ask an expert

The Eaton Bussmann TCF40 is a Class CF time-delay fuse designed to deliver reliable overcurrent protection in industrial and commercial electrical systems. Rated at 40A with voltage ratings of 600VAC and 300VDC, it features a dual-element construction that helps manage temporary overloads without nuisance tripping. This fuse includes a built-in indicator for quick status identification and a finger-safe design for enhanced safety. Its blade-end connection and DIN rail compatibility ensure secure and efficient installation.

Voltage and Rating

  • Current Rating: 40A
  • Voltage Rating: 600VAC / 300VDC
  • Frequency Rating: 50–60 Hz
  • Interrupt Rating: 300 kAIC at 600VAC / 100 kAIC at 300VDC
  • Response Time: 10 sec at 500%
  • Fuse Class: Class CF

Key Specifications

  • Manufacturer: Eaton Bussmann
  • Series: TCF
  • Catalog Number: TCF40
  • Product Type: Fuse
  • Fuse Type: Time Delay (Dual Element)
  • Mounting Method: Chassis / 35 mm DIN Rail
  • Connection: Blade End
  • Fuse Indicator: With Indicator
  • Material: Glass Filled PES
  • Number of Elements: Dual
  • Packaging Type: Standard
  • Special Features: Finger Safe
  • Compliance: CE Marked, RoHS Compliant
  • Certifications: UL Listed, CSA Certified

Physical Details

  • Color: Black
  • Product Length/Depth: 2.13 in
  • Product Height: 1.9 in
  • Product Width: 1 in
  • Product Weight: 0.17 lb

Product Data

  • UPC: 051712615051
  • EAN: 5027590116992
  • Category: Circuit Protection
  • Application: Industrial and commercial overcurrent protection
  • Used With: TCFH60N, CCP2-3-60CF
  • Warranty: Not Applicable


  • Type Circuit Breakers
  • Vendor Eaton Bussmann
  • Brand Eaton Bussmann

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.