Littelfuse JTD175 Indicator Fuse 175A 600VAC 500VDC 20000A@500VDC Knife-Blade Slo-Blo

The JTD175 from Littelfuse is an advanced solution designed for motor control centers and transformer protection, delivering robust short-circuit and ground fault protection through its innovative fused combination motor controllers. Engineered with IEC Type II "No Damage" capabilities, this product significantly enhances operational safety and reduces the risk of equipment damage. One standout feature is the JTD_ID Indicator fuse, which provides superior time-delay characteristics, minimizing nuisance openings and allowing for quick identification of open fuses without the need for power to be on — a crucial benefit for personnel safety. With a sleek knife-blade package design, it maximizes space efficiency for general-purpose circuits, mains, feeders, and branch circuits, making it an ideal choice where space is limited. Not only do these fuses help in reducing inventory due to their versatility across various applications, but they also incur less downtime, as operators can swiftly ascertain fuse statuses at a glance. Altogether, the JTD175 Indicator fuses offer an intelligent combination of protection, efficiency, and safety, tailored to meet the needs of modern industrial applications.

• IEC Type II No Damage protection reduces equipment damage
• Indicator fuse enables quick open fuse identification without power
• High interrupting rating of 20 kA at 500 V DC and 200 kA AC provides robust short-circuit protection
• Dual-element, slow-blow/time lag design minimizes nuisance openings and protects against high in-rush currents
• Knife-blade package design optimizes space usage in compact motor control centers and panels
• Versatile use across motor control centers, transformers, and general-purpose circuits reduces inventory needs
• Self-certified to 300,000 A rms symmetrical short-circuit current rating for safety assurance
• Constructed with melamine body and corrosion-resistant nickel-plated bronze or brass caps tailored to amp rating
• UL Listed and CSA Certified for compliance with industry safety standards

• Voltage: 600 V AC, 500 V DC
• Ampere Rating: 175 A
• Interrupting Rating: 20 kA at 500 V DC, 200 kA AC
• Time Delay: Dual-element, slow-blow/time lag
• Dimensions: 2 1/4 to 3 3/4 in (57.2 to 95.3 mm), 1 1/4 to 5 27/32 in (32 to 148.4 mm)
• Weight: 0.084 to 3.120 lbs (38.1 to 1415.2 g)
• Material: Melamine body; Nickel-plated Bronze, Brass, or Brass with Copper blade caps depending on amp rating
• Standards: UL 248-8, Class J
• Compliance: UL Listed, CSA Certified, CE and RoHS (225 to 600 A only)
• Country of Origin: Mexico

Certification

Datasheets