KTU-4000 - 4000Amp Fuse

KTU-4000 - 4000Amp Fuse

When you're checking a 4000A Class L fuse for an existing application, a part-number match is only one piece of the puzzle. The Eaton Bussmann KTU-4000 is rated at 4000A and 600V, with a manufacturer-listed interrupt rating of 200 kAIC at 600 Vac. Its physical configuration includes a bolted blade-end-to-bolted-blade-end connection and bolt mounting, giving maintenance teams two key details to compare with the existing equipment. The manufacturer lists silver-plated end bells and a melamine glass tube as the construction materials, along with a ferrule design as the special feature.

Key Features and Benefits

• 4000A amperage rating — A key specification to confirm when matching the KTU-4000 against equipment requirements.
• 600V voltage rating — Clearly identifies the manufacturer-listed voltage rating for this Class L fuse.
• Class L classification — Helps narrow replacement selection when equipment documentation specifically calls for a Class L fuse.
• Bolted blade-end x bolted blade-end connection — Provides an exact connection specification that can be checked against the existing installation.
• Ferrule design — The manufacturer lists this as the KTU-4000's special feature.
• Non-indicating fuse — The fuse indicator for this model is listed as non-indicating.
• CE Marked and RoHS Compliant — Supplies documented compliance information for applications where these requirements need to be confirmed.

Technical Specifications

• Product Name: Eaton Bussmann series KTU fuse
  
• Catalog Number: KTU-4000
  
• UPC: 051712613408
  
• EAN: 5027590446808
  
• Product Type: Fuse
  
• Amperage Rating: 4000 A
  
• Voltage Rating: 600 V
  
• Interrupt Rating: 200 kAIC at 600 Vac
  
• Class: Class L
  
• Connection: Bolted blade end x bolted blade end
  
• Fuse Indicator: Non-indicating
  
• Mounting Method: Bolt
  
• Special Features: Ferrule design
  
• Material: Silver-plated end bells; melamine glass tube
  
• Product Length/Depth: 7 in
  
• Product Height: 11 in
  
• Product Width: 7 in
  
• Product Weight: 21 lb
  
• Compliances: CE Marked; RoHS Compliant
  

Material Compliance and Certifications

The Eaton Bussmann KTU-4000 is CE Marked and RoHS compliant per the supplied manufacturer specifications. Its listed construction combines silver-plated end bells with a melamine glass tube. These details give maintenance personnel, electrical professionals, and purchasing teams specific material and compliance information to check when the application has documented requirements.

Where It Works Best

The KTU-4000 4000A Class L fuse is a candidate to compare against equipment specifications calling for a 4000A, 600V Class L fuse with a 200 kAIC at 600 Vac interrupt rating. For replacement work, check the full specification, not amperage alone. In particular, confirm the bolted blade-end x bolted blade-end connection, bolt mounting method, and physical dimensions against the equipment documentation and existing installation.