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Eaton Bussmann 400FMM High Voltage Fuse

This British style fuse is rated for 690VAC and supports a current of up to 400A. Designed for secure bolt-mount applications, it offers reliable performance with arc quenching technology. The fuse features dimensions of approximately 113 mm in length, 38 mm in width, and 83 mm in height, making it suitable for industrial power distribution and motor control systems. It complies with BS 88 standards, IEC 269, and UL recognition, ensuring safety and quality in high-voltage electrical protection for commercial and industrial environments.

Authorized Distributors
Source:DigiKey
Part No:400FMM
Stock:0
Inv Date:06-11-2026
Price: Unit price: $960.13
Buy/RFQ:
Source:DigiKey
Part No:400FMM
Stock:6
Inv Date:06-11-2026
Price: Unit price: $590.07
Buy/RFQ:
Part No:400FMM
Stock:0
Inv Date:06-12-2026
Price: Unit price: $964.76
Buy/RFQ:
Part No:400FMM
Stock:0
Inv Date:06-11-2026
Price: Unit price: $962.76
Buy/RFQ:
Part No:400FMM
Stock:6
Inv Date:06-11-2026
Price: Unit price: $744
Buy/RFQ:
Part No:400FMM
Stock:6
Inv Date:06-11-2026
Price: Unit price: $744
Buy/RFQ:

Eaton Bussmann 400FMM High Voltage Fuse Specifications:

  • Voltage Rating: 690Vac/500Vde
  • Current Rating: 400A
  • Dimensions: Length 113 mm, Width 38 mm, Height 83 mm
  • Standards: BS 88 Part 4, IEC 269 Part 4, UL Recognized
  • Arc Voltage: Peak arc voltage specified in electrical characteristics
  • IR: 200kA RMS Sym.
  • Mounting: Bolt mount with dimensions suitable for industrial applications
  • Compliance: CE certified, tested at 318Vac

Buy the Buy Cooper Bussmann Fuse Part Number 400FMM Online

Purchase the Cooper Bussmann 400FMM fuse online today for reliable high-voltage protection. This British style fuse is designed with advanced arc quenching technology, supporting 690VAC and 400A ratings. Its bolt-mount package ensures secure installation in industrial power distribution and motor control applications. Certified to BS 88 standards and UL recognized, it guarantees safety and compliance. Order now and secure your electrical system with high-performance protection that is easy to install and built to last.

Buy Cooper Bussmann 400FMM fuse now and experience unmatched reliability and high-voltage power protection for industrial systems.

Frequently Asked Questions

Where can I buy Eaton Bussmann 400FMM?

You can click on the BUY or RFQ button to purchase 400FMM from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part 400FMM?

You can download the 400FMM datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of 400FMM?

Eaton Bussmann

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