KTN-R-3 - Eaton Bussmann Class RK1 250V 3A Fast-Acting Fuse

KTN-R-3

KTN-R-3 is an Eaton Bussmann series LIMITRON fast-acting Class RK1 current-limiting fuse designed for panelboard applications requiring advanced short-circuit protection. This cartridge fuse delivers superior current limitation to help prevent equipment damage during fault events while maintaining fast-acting response characteristics. KTN-R-3 features a 70/30 brass end cap with ferrule-to-ferrule construction and melamine glass tube body for reliable performance in industrial and commercial electrical systems. The fuse incorporates Class R rejection design, allowing it to physically and electrically replace Class H, K1, K5, and other fast-acting fuses in standard holders. With a 200 kA interrupting rating, this fuse complies with NEC Section 110.9 for large capacity systems and provides 10X better current limitation than standard fuses.

• Amperage Rating: 3 A
• Voltage Rating: 250 Vac
• Interrupting Rating: 200 kA Vac RMS Symmetrical
• Fuse Type: Fast-Acting
• Class: RK1
• Body Style: Cartridge Fuse
• End Caps: 70/30 Brass Ferrule
• Material: Melamine Glass Tube
• Application: Panelboards
• UL Listed: Standard 248-12, Guide JDDZ, File E54273
• CSA Certified: Class 1422-02, File 53787
• CE Marked

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Specifications

• Part Number: KTN-R-3
• Manufacturer : Eaton
• Brand : Bussmann
• Category : Fuse
• Item Subcategory : Low Voltage Fuse
• Family : LIMITRON
• Type : KTN-R
• Voltage : 250
• Amperage : 3
• AIC rating : 200kA@250V
• Diameter : 0.56
• Class Rating : RK1
• Barrels : 1

Product Data

• UPC : 051712407014
• GTIN : 00051712407014
• Dimensions : 2 in x 0.56 in x 0.56 in (Length/Depth x Height x Width)
• Weight : 0.1