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Eaton Bussmann KLU4000 High-Current Industrial Fuse

This is a slow blow, time lag fuse rated for 600 VAC and capable of handling 4000 Amps. It features a bolt mount package with dimensions of 146.05mm by 273.05mm, designed for reliable bolt mounting in high-current power applications. The fuse provides current-limiting protection, with a minimum 5-second delay at 500% rated current, ensuring safety and system protection. It complies with UL and CSA standards, rated for applications up to 200,000A RMS Sym., making it ideal for large capacity systems and industrial equipment that require high-current short-circuit protection.

Authorized Distributors
Source:DigiKey
Part No:KLU-4000
Stock:0
Inv Date:06-11-2026
Price: Unit price: $9272.43
Buy/RFQ:
Part No:KLU-4000
Stock:0
Inv Date:06-12-2026
Price: Unit price: $11708.69
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Part No:KLU-4000
Stock:0
Inv Date:06-11-2026
Price: Unit price: $10963.4
Buy/RFQ:
Part No:KLU-4000
Stock:0
Inv Date:06-11-2026
Price: Unit price: $8277.67
Buy/RFQ:
Part No:KLU-4000
Stock:0
Inv Date:06-11-2026
Price: Unit price: $8277.67
Buy/RFQ:

Eaton Bussmann KLU4000 High-Current Industrial Fuse Specifications:

  • Ampere Rating: 4000 Amperes
  • Voltage Rating: 600 Volts AC
  • Time-Delay: Minimum 5 seconds at 500% rated current
  • Interrupting Rating: 200,000A RMS Sym.
  • Mounting: Bolt mount
  • Dimensions: 146.05mm x 273.05mm
  • Construction: Copper links with current-limiting design
  • Standards Compliance: UL Listed, CSA Certified
  • Operation: Slow blow, Class L fuse
  • Tolerances: All slots and holes with + 0.02
  • Agency Approvals: UL 248-10, CSA C22.2 No. 248.10

Buy the Bussmann KLU – Reliable Time-Delay Fuses for Industrial Applications

Purchase the Bussmann KLU 4000A industrial fuse online today and enhance your power system safety with this high-capacity, reliable, and UL-listed fuse designed for demanding industrial applications. Its bolt mount design ensures secure installation and consistent performance, providing critical short-circuit protection for large systems. With a 600V rating and a minimum 5-second delay at 500% rated current, it's ideal for controlling high-current loads quickly and safely. Get yours now and safeguard your equipment effortlessly.

Order your Bussmann Series KLU 4000A bolt mount fuse today and ensure reliable overload protection for your high-current industrial systems.

Frequently Asked Questions

Where can I buy Eaton Bussmann KLU4000?

You can click on the BUY or RFQ button to purchase KLU4000 from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part KLU4000?

You can download the KLU4000 datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of KLU4000?

Eaton Bussmann

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