Eaton Bussmann TCF400 400A 600V AC / 300V DC Class CF Fuse
● Check availabilityTCF400: 400A, 600V AC / 300V DC, Class CF, Time-Delay|Dual Element; 200kA AC / 100kA DC.
Rated Current400A
Rated Voltage600V AC / 300V DC
Breaking Capacity200kA AC / 100kA DC
PackageClass CF CUBEFuse; dimensions vary by amp rating
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Part NumberTCF400BrandEaton BussmannRequested Qty
Eaton Bussmann TCF400 is a Class CF time-delay|dual element branch circuit fuse rated 400A at 600V AC / 300V DC. Interrupting rating: 200kA AC / 100kA DC. easyID indicating CUBEFuse; Watts loss at rated current: 35.2 W; Source: Bussmann Full Line Catalog 1007 (2018), section 1, page 1-8/1-9.
Quick answer, specifications & FAQ
Direct answer
Eaton Bussmann Branch Circuit Fuse TCF400 is rated 400A, 600V AC / 300V DC, Dual-Element Time Delay. Breaking capacity 200kA AC / 100kA DC, I²t See official current-limitation curves, operating temperature -40°C to +80°C, certifications UL Listed|RoHS. Listed applications: Finger-safe systems, Industrial Control Protection, Power Distribution Protection. Standards: CSA Class 1422-02, UL 248 Class CF. TCF400: 400A, 600V AC / 300V DC, Class CF, Time-Delay|Dual Element; 200kA AC / 100kA DC.
Key specifications
- Part number: TCF400
- Brand: Eaton Bussmann
- Rated current: 400A
- Rated voltage: 600V AC / 300V DC
- Breaking capacity: 200kA AC / 100kA DC
- Fuse speed: Dual-Element Time Delay, Time Delay
- Dimensions: Class CF CUBEFuse; dimensions vary by amp rating
- Terminal type: CUBEFuse blade/contact terminals
- Operating temperature: -40°C to +80°C
- Certifications: UL Listed|RoHS
- Standards: CSA Class 1422-02, UL 248 Class CF
- Typical lead time: LT: 12-16w
Frequently asked questions
What are the current and voltage ratings of TCF400?
TCF400 is rated 400A at 600V AC / 300V DC.
What is the breaking capacity of TCF400?
TCF400 has a breaking capacity of 200kA AC / 100kA DC. Confirm this covers the available fault current at the installation point.
Which standards and approvals apply to TCF400?
TCF400 is listed under CSA Class 1422-02, UL 248 Class CF / UL Listed|RoHS.
What is TCF400 used for?
TCF400 is listed for Finger-safe systems, Industrial Control Protection, Power Distribution Protection applications. Verify suitability for your circuit before ordering.
What are the ordering terms for TCF400?
TCF400: typical lead time LT: 12-16w, minimum order 12-16 weeks. Submit a quote request for a firm quotation.
Data sources
- Part number
- TCF400
- Brand
- Eaton Bussmann
- Last updated
- 2026-09-22
- Canonical URL
- https://fusestock.com/products/eaton-bussmann-tcf400/
Technical Specifications
- Part Number
- TCF400
- Manufacturer Part Number
- TCF400
- Series
- TCF
- Fuse Type
- Branch Circuit Fuse
- Current Rating
- 400A
- Voltage Rating
- 600V AC / 300V DC
- AC / DC
- AC/DC
- Breaking Capacity
- 200kA AC / 100kA DC
- I²t
- See official current-limitation curves
- Operating Temperature
- -40°C to +80°C
- Package / Dimensions
- Class CF CUBEFuse; dimensions vary by amp rating
- Mounting
- Fuse Holder
- Application
- Finger-safe systems · Industrial Control Protection · Power Distribution Protection
- Standard
- CSA Class 1422-02 · UL 248 Class CF
- Terminal Type
- CUBEFuse blade/contact terminals
- Fuse Speed
- Dual-Element Time Delay · Time Delay
- Utilization Class
- Class CF
- Approvals
- RoHS · UL Listed
- Certifications
- UL Listed|RoHS
- Reference Lead Time
- LT: 12-16w
- Minimum Order
- 12-16 weeks
- easyID indicating CUBEFuse; Watts loss at rated current
- 35.2 W; Source: Bussmann Full Line Catalog 1007 (2018), section 1, page 1-8/1-9.
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