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Eaton Bussmann TCF400RN Electrical Protection Fuse

The Bussmann Low-Peak CUBEFuse TCF400RN is a UL Class CF time-delay branch circuit fuse with a compact, space-saving design suitable for various electrical applications. It offers reliable overcurrent protection with a minimum 10 seconds time-delay at 500% rated current, ensuring reduced nuisance openings during transient surges. The fuse provides high interrupting ratings up to 300 kA, durable construction, and easy installation using dedicated holders and switches. Available in both indicating and non-indicating versions, this fuse is ideal for commercial and industrial circuit protection requiring dependable performance and quick troubleshooting capabilities.

Authorized Distributors
Source:DigiKey
Part No:TCF400RN
Stock:0
Inv Date:06-11-2026
Price: Unit price: $833.75
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Part No:TCF400RN
Stock:0
Inv Date:06-12-2026
Price: Unit price: $833.75
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Part No:TCF400RN
Stock:2
Inv Date:06-11-2026
Price: Unit price: $985.13
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Part No:TCF400RN
Stock:0
Inv Date:06-11-2026
Price: Unit price: $633.32
Buy/RFQ:
Part No:TCF400RN
Stock:0
Inv Date:06-11-2026
Price: Unit price: $633.32
Buy/RFQ:

Eaton Bussmann TCF400RN Electrical Protection Fuse Specifications:

  • Voltage Rating: 600 Vac, 300 Vdc
  • Amperage Range: 6-400 A
  • Interrupting Rating: Up to 300 kA RMS Sym. (UL)
  • Time-Delay: Minimum 10 seconds at 500% rated current
  • Operating Temperature Range: -40 to 80°C
  • Physical Dimensions: Varies by rating, up to approximately 0.86 inches (21.5 mm) in diameter and up to 4.25 inches (108 mm) in length
  • Construction: Dual-element, current-limiting, finger-safe, UL Class CF
  • Application: Branch circuit protection, motor starters, short-circuit protection
  • Standards Compliance: UL Listed, CSA Certified, CE, RoHS

Buy the Buy Bussmann Low-Peak CUBEFuse Part Number TCF400RN Online

Purchase the Bussmann TCF400RN Low-Peak Fuse online today and enjoy quick delivery for your industrial or commercial electrical projects. Designed for dependable circuit protection, this UL Class CF fuse offers a reliable time-delay feature and high interrupting ratings up to 300 kA, making it ideal for motor starters, branch circuits, and transient surge conditions. Easy to install with compatible holders and switches, this fuse enhances safety and reduces downtime. Buy now to ensure your system's safety with high-quality, code-compliant fuse solutions.

Order your Bussmann Series TCF400RN low-peak time-delay fuse today and ensure your electrical circuits are protected with reliable overcurrent defense.

Frequently Asked Questions

Where can I buy Eaton Bussmann TCF400RN?

You can click on the BUY or RFQ button to purchase TCF400RN from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part TCF400RN?

You can download the TCF400RN datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of TCF400RN?

Eaton Bussmann

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