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Eaton Bussmann KTU400 Fast-Acting Industrial Fuse

This fast-acting, current-limiting fuse is designed for short-circuit protection in industrial applications, operating at 600VAC and rated at 400A. It features a bolt mount for secure installation, UL and CSA certifications, and high-quality silver-plated terminals for low contact resistance. The fuse incorporates a silica-sand filler for rapid response during faults, ensuring minimal energy let-through, and has a glass melamine tube for durability. Suitable for protecting lighting and heating circuits, it offers reliable performance with an interrupting rating of 200,000 RMS symmetrical amperes.

Authorized Distributors
Source:DigiKey
Part No:KTU-400
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2838.12
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Part No:KTU-400
Stock:0
Inv Date:06-12-2026
Price: Unit price: $3489.09
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Part No:KTU-400
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2976.91
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Part No:KTU-400
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2370.82
Buy/RFQ:
Part No:KTU-400
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2370.82
Buy/RFQ:

Eaton Bussmann KTU400 Fast-Acting Industrial Fuse Specifications:

  • Voltage Rating: 600 VAC
  • Ampere Rating: 400 Amperes
  • Type: Fast-Acting, Current-Limiting
  • Mounting: Bolt mount
  • Interrupting Rating: 200,000 RMS Sym
  • Materials: Silver-plated terminals, glass melamine tube
  • Filler: High-grade silica-sand
  • Certifications: UL Listed, CSA Certified
  • Dimensions: Length approximately 63 inches (1.60 meters)
  • Configuration: All Slots and Holes compatible

Buy the Bussmann KTU400 – Reliable Fast-Acting Fuse for Industrial Applications

Purchase the Bussmann KTU400 fast-acting fuse online now and enhance your circuit protection with a high-quality, UL and CSA certified device. Designed for reliable performance at 600VAC and 400A, this fuse features a durable glass melamine tube, high-grade silver-plated terminals, and a bolt mount for secure installation. Its rapid response with a silica-sand filler ensures quick fault clearance, minimizing energy let-through. Perfect for lighting, heating, and non-inductive loads, this fuse offers industry-leading safety and efficiency for your electrical systems.

Order your Bussmann Series KTU400 fast-acting fuse today and ensure dependable short-circuit protection for your industrial equipment.

Frequently Asked Questions

Where can I buy Eaton Bussmann KTU400?

You can click on the BUY or RFQ button to purchase KTU400 from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part KTU400?

You can download the KTU400 datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of KTU400?

Eaton Bussmann

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