Littelfuse JTD175ID Indicator Fuse 600VAC 175A 500VDC Time Delay Knife-Blade

The JTD_ID Series from Littelfuse represents a reliable solution for motor branch-circuit protection, designed specifically to offer IEC Type II (no damage) short-circuit and ground fault safeguards. These fused combination motor controllers excel in managing general-purpose circuits, including mains, feeders, and branch circuits, making them ideal when space is at a premium. The JTD_ID features indicator fuses with superior time-delay characteristics, which significantly minimize nuisance tripping and reduce the need for extensive fuse inventory across various applications. An intuitive indicating window allows for immediate identification of open fuses without necessitating fuse testing, thus reducing potential downtime. This feature enables machine operators to quickly request the correct replacement fuses without delay, streamlining maintenance processes. Not only does the JTD_ID model provide robust overload and short-circuit protection, significantly mitigating equipment damage, but it also enhances workplace safety by minimizing exposure to live circuits. With its capacity for transformer protection and compatibility with UL Listed series-rated molded case circuit breaker panels, this motor controller is an invaluable component in modern electrical systems.

• Provides IEC Type II (no damage) short-circuit and ground fault protection
• Dual-element design with time-delay and current limiting for enhanced circuit protection
• Indicator window allows immediate fuse status identification without testing
• Reduces nuisance tripping with superior time-delay and cycling characteristics
• Minimizes exposure to live circuits to improve workplace safety
• Compatible with UL Listed series-rated molded case circuit breaker panels
• Robust overload and short-circuit protection reduces equipment damage
• Suitable for general purpose circuits including mains, feeders, and branch circuits
• Simplifies maintenance by enabling quick fuse replacement requests
• Uses POWR-PRO® technology for superior electrical system protection

• Voltage AC: 600 V
• Voltage DC: 500 V
• Ampere Rating: 175 A
• Interrupting Rating DC: 20,000 A @ 500 V DC
• Opening: Slo-Blo/Time Delay (T)
• Type: Class J Indicator Fuse
• Technology: POWR-PRO®
• Amperage Range: 0.8–600 A
• Interrupting Rating AC: 200 kA rms symmetrical
• Interrupting Rating DC: 20 kA (self-certified)
• Material Body: Melamine
• Material Caps: Nickel-plated Bronze (0.8–60 A), Brass (70–200 A), Brass Cap with Copper Blade (225–600 A)
• Applicable Standards: UL 248-8, Class J
• Compliance: UL Listed, CSA Certified, RoHS (225–600 A), CE Certified (225–600 A)
• Country of Origin: Mexico
• Fuse Weight: 0.084 to 3.120 lbs depending on amperage
• Dimensions: Varies by amperage; e.g., 1–30 A size A: 2.25 in (57.2 mm), 35–60 A size A: 2.5 in (60.3 mm)
• Time Delay: Dual-element
• Current Limiting: Yes, for 0.8–600 A range

Certification

Datasheets