Eaton Bussmann JJN-400 fuse, fast acting 400 A, 300V AC, 160V DC 2-3/4 inches L x 1 inches dia

Product Description

The EATON BUSSMANN JJN-400 is a Class T, fast-acting, current-limiting fuse designed for reliable protection in electrical systems. This bolt-on fuse features a 400 A current rating, with voltage ratings of 300V AC and 160V DC. It offers an interrupt rating of 200kA at 300V AC and 20kA at 160V DC, making it suitable for applications such as VFD line protection and multi-family meter stacks. Its melamine body and single element construction ensure consistent performance.

• Class T, Fast Acting, Current-limiting design for precise circuit protection.
• Interrupt rating of 200kA at 300V AC and 20kA at 160V DC for high fault current applications.
• RoHS 2011/65/EU Compliant and UL/CSA certified for safety and environmental standards.

Product Highlights

Designed with a small footprint for efficient panel space utilization, offering VFD line protection.

Product Information

Standard Information

• Brand: EATON BUSSMANN
• Manufacturer Part Number: JJN-400
• Country of Origin: Mexico

Technical Specifications

• Product Type: Fuse
• Series: JJN
• Class: T
• Fuse Speed: Fast Acting
• Current Rating: 400 A
• AC Voltage Rating: 300V AC
• DC Voltage Rating: 160V DC
• Interrupt Rating: 200kA at 300V AC, 20kA at 160V DC
• Mounting Type: Bolt-On
• Connection Type: Bolted blade end x bolted blade end
• Indication: Nonindicating
• Element Type: Single
• Body Material: Melamine
• Fuse Size: 2-3/4 in L x 1 in dia
• Length: 2.75 in
• Diameter: 1 in
• UPC: 051712627047
• Standards: UL Listed Std. 248-15 Class T Guide JDDZ File E4273, CSA Certified Class 1422-02 File 53787, CE Marked
• Environmental Compliance: RoHS 2011/65/EU Compliant
• Rejection Type: Nonrejection
• Equivalent Series: A3T, JJN, JLLN, TJN
• Equivalent Brand and Series: Bussmann JJN, Edison TJN, Littelfuse JLLN, Mersen A3T
• Functionally Equivalent To: Bussmann JJN, Edison TJN, Mersen/Ferraz Shawmut A3T
• Compatible Fuse Block Series: 1B, 1BS, T300, T301, T302, T306
• Fuse Holder Code: BD
• Family: T-Tron
• Product Family: LV branch circuit fuses
• Sub-Range: Limitron bolt-on type fuses
• Technical Compatibility: Large apartment complexes, multi-family meter stacks, VFD line protection
• ASIN: B000LETGAA