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Eaton Bussmann EF400M500 Industrial High Rupture Capacity Fuse

This industrial high rupture capacity fuse is designed for fast-acting operation with a rating of 550 VAC and 400 Amps. It features a bolt-mount configuration with dimensions of approximately 74 mm by 210 mm, making it suitable for high-current, high-voltage electrical systems. The fuse offers reliable protection with an interrupting rating of 80kA and complies with BS88 and IEC 269-1 standards. Its robust design ensures durability in demanding industrial environments, providing safe and secure electrical circuit protection. Ideal for applications requiring quick disconnection during current surges, it supports safe operation and system integrity.

Authorized Distributors
Source:DigiKey
Part No:EF400M500
Stock:0
Inv Date:06-11-2026
Price: Unit price: $907.23
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Part No:EF400M500
Stock:0
Inv Date:06-12-2026
Price: Unit price: $906.45
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Part No:EF400M500
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1006.62
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Part No:EF400M500
Stock:0
Inv Date:06-11-2026
Price: Unit price: $694.99
Buy/RFQ:
Part No:EF400M500
Stock:0
Inv Date:06-11-2026
Price: Unit price: $694.99
Buy/RFQ:

Eaton Bussmann EF400M500 Industrial High Rupture Capacity Fuse Specifications:

  • Voltage Rating: 550 VAC
  • Current Rating: 400 Amps
  • Dimensions: approximately 74 mm by 210 mm
  • Type: Fast-acting fuse
  • Mounting: Bolt-mount package
  • Standards: BS88, IEC 269-1
  • Interrupting Rating: 80kA
  • Material: High-quality fuse elements suitable for industrial applications
  • Application: High-current, high-voltage protection
  • Construction: Rugged, durable design for demanding environments

Buy the Cooper EF400M500 – Reliable High-Rupture Capacity Fuse for Industrial Applications

Shop the Cooper EF400M500 industrial high-rupture capacity fuse now. This fast-acting, bolt-mount fuse rated for 550 VAC and 400 Amps offers exceptional protection for high-voltage industrial applications. With an 80kA interrupting rating and compliance with BS88 and IEC standards, it ensures safety and durability. Its sturdy construction guarantees reliable performance under demanding conditions. Perfect for high-current systems needing quick disconnection during overloads or faults, this fuse enhances safety, minimizes downtime, and maintains the integrity of your electrical infrastructure. Order online today for prompt delivery and trusted protection.

Order your Cooper Series EF400M500 high-current, high-voltage fuse today and secure your electrical systems with dependable overcurrent protection.

Frequently Asked Questions

Where can I buy Eaton Bussmann EF400M500?

You can click on the BUY or RFQ button to purchase EF400M500 from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part EF400M500?

You can download the EF400M500 datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of EF400M500?

Eaton Bussmann

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