KTN-R-400 - Eaton Bussmann 400A 250V Class RK1 Fast-Acting Fuse

KTN-R-400

KTN-R-400 is a 400 amp, 250 volt AC Class RK1 fast-acting fuse from Eaton Bussmann designed for advanced circuit protection.This fuse features a current-limiting, fast-acting design with a 200 kA interrupting rating at 250 VAC and 100 kA at 250 VDC. It is a single-pole, blade-end fuse ideal for industrial and commercial applications requiring reliable short-circuit protection. The KTN-R series incorporates Class R rejection to ensure proper fuse holder compatibility and is UL listed, CSA certified, and CE marked.

Key Specifications
• Amperage: 400 A
• Voltage: 250 V AC / 250 V DC (70-350 A range)
• Interrupting Rating: 200 kA AC, 100 kA DC
• Poles: 1
• Mounting Type: Blade end x blade end
• Fuse Series: KTN-R (Class RK1)
• Fuse Type: Fast-acting, current limiting
• Physical Size: 2.06 in diameter x 8.63 in length
• Certifications: UL Listed, CSA Certified, CE Marked
• Non-indicating
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Specifications

• Part Number: KTN-R-400
• Manufacturer : Eaton
• Brand : Bussmann
• Category : Fuse
• Item Subcategory : Low Voltage Fuse
• Family : LIMITRON
• Type : KTN-R
• Voltage : 250
• Amperage : 400
• AIC rating : 200kA@250V
• Diameter : 2.06
• Class Rating : RK1
• Barrels : 1



Product Data

• UPC : 051712407250
• GTIN : 00051712407250
• Dimensions : 8.63 in x 2.06 in x 2.06 in (Length/Depth x Height x Width)
• Weight : 1.94
• Certification : UL, CSA, CE