Littelfuse JTD04.5ID Indicator Fuse 4.5A 600VAC 300VDC Time Delay 20000A Industrial Cartridge

The JTD04.5ID from Littelfuse is an innovative indicator fuse designed to enhance safety and efficiency in various electrical applications. With its unique darkened indicator window that remains in this state after a fuse has blown, users can quickly and easily identify the status of the circuit without the need for power to remain on, significantly reducing the risk of accidents during maintenance. This model not only minimizes exposure to live circuits, but also decreases overall fuse inventory by delivering superior performance across a range of applications, including motor control centers and general purpose circuits. Engineered for reliability, the JTD_ID series provides robust overload and short circuit protection, effectively safeguarding equipment from damage. The time-delay characteristics of these fuses help prevent nuisance openings, thereby ensuring reduced downtime. At a glance, operators can determine if a fuse is open, simplifying maintenance requests without the need for complicated testing. This model supports a wide range of ratings, including an ampere rating of 4.5 and a high interrupting rating of 20000A at 300VDC, making it an ideal choice for settings where both performance and safety are paramount.

• Minimizes exposure to live circuits for increased safety
• High interrupting rating of 20,000A at 300 V DC
• Self-certified 200 kA AC interrupting rating for system safety
• Time-delay dual-element design reduces nuisance fuse openings
• Darkened indicator window for clear blown fuse identification without power
• Provides superior overload and short circuit protection to reduce equipment damage
• Simplifies maintenance with quick visual fuse status checks
• Reduces downtime through reliable time-delay performance
• Wide voltage compatibility with 600 VAC and 300 VDC ratings
• Suitable for motor control centers, fused combination motor controllers, and general purpose circuits

• Amperage Rating: 4.5 A
• Voltage Rating AC: 600 V
• Voltage Rating DC: 300 V
• Interrupting Rating DC: 20,000 A @ 300 V DC
• Interrupting Rating AC: 200 kA rms symmetrical
• Opening Type: Slo-Blo / Time Delay / Time Lag
• Time-Delay Type: Dual-element
• Material Body: Melamine
• Material Caps: Nickel-plated Bronze, Brass, Brass with Copper Blade
• Applicable Standards: UL 248-8, Class J
• Compliance: UL Listed, CSA Certified, CE (225–600 A), RoHS (225–600 A)
• Fuse Weight: 0.084–3.120 lbs (38.1–1415.21 g) depending on amperage
• Country of Origin: Mexico

Certification

Datasheets