JTD450-ID - 450 Amp Fuse

JTD450-ID - 450 Amp Fuse

When your replacement specification calls for an indicating 450A Class J time-delay fuse, the details beyond amperage deserve a close look. The JTD450-ID (manufacturer catalog reference JTD450ID) is a 450-amp Class J fuse from the JTD_ID Series, built with knife-blade construction and an indicating design. For a replacement, don't rely on the 450A marking alone—confirm the fuse class, time-delay characteristic, voltage, applicable interrupting requirements, indicating configuration, knife-blade format, and mounting compatibility against the equipment specifications.

Key Features and Benefits

• 450A continuous current rating for equipment designed around this specific amperage
• Class J configuration provides an important matching point when identifying a replacement fuse
• Time-delay operation, also specified as Slo-Blo/Time Lag (T)
• Maximum voltage rating of 600VAC
• Maximum DC voltage rating of 500VDC
• Indicating design for installations specifically requiring an indicating fuse
• Knife-blade construction makes physical configuration another straightforward specification to check
• Part of the JTD_ID Series
• Identified within the POWR-PRO Fuse family
• Designed for installation in a compatible fuse block, clip, or holder
• LFJ60600 Series is specified as the PG holder

Technical Specifications

• Catalog Number: JTD450-ID
  
• Manufacturer Catalog Reference: JTD450ID
  
• Series: JTD_ID
  
• Manufacturer Description: FUS 600V T/D CLASS J 450A INDICATING
  
• Product Type: Class J Time-Delay Indicating Fuse
  
• Continuous Current Rating: 450A
  
• Maximum AC Voltage: 600VAC
  
• Maximum DC Voltage: 500VDC
  
• AC Interrupting Value 1: 200,000A at 600VAC
  
• AC Interrupting Value 2: 300,000A at 600VAC
  
• DC Interrupting Rating: 20,000A at 500VDC
  
• Published Interrupting Rating: 20 kA at 500VDC
  
• Opening Characteristic: Slo-Blo / Time Lag (T) / Time Delay
  
• Fuse Class: Class J
  
• Family Style: POWR-PRO Fuse
  
• Construction / Size: Knife-Blade
  
• Indicating: Yes
  
• Mounting Method: Fuse Block / Clip / Holder
  
• Specified PG Holder: LFJ60600 Series
  

Material Compliance and Certifications

The supplied product information confirms the JTD450-ID current and voltage ratings, Class J designation, time-delay opening characteristic, interrupting values, indicating status, knife-blade construction, mounting method, and specified holder series.

Where It Works Best

The JTD450-ID suits electrical equipment that requires a 450A Class J time-delay indicating fuse with knife-blade construction and corresponding electrical ratings. For AC service, verify the equipment requirements against the 600VAC maximum voltage and applicable manufacturer-supplied AC interrupting value. For DC service, the supplied specifications identify a 500VDC maximum rating with 20 kA interrupting capacity at 500VDC.