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Littelfuse JTD030 Class J Fuse 30A 600VAC 300VDC 20kA Slo-Blo Indicator

Brand SKU 254240

Documents

The JTD030 - JTD Series fuses by Littelfuse exemplify advanced engineering and reliability, making them essential components in various electrical applications. With a unique design that allows for superior overload and short-circuit protection, these indicator fuses significantly reduce the potential for equipment damage, facilitating operations in environments such as motor control centers and general-purpose circuits. Their time-delay characteristics minimize nuisance openings, ensuring that essential devices remain operational, while the integrated indication window enhances safety by clearly signaling when a fuse has blown, eliminating the hazards of live circuits. Ideal for transformer protection and UL Listed series-rated molded case circuit breaker panels, this product not only streamlines inventory management by serving multiple applications but also simplifies maintenance with its easy-to-read status indicators.

  • High interrupting rating of 200 kA AC and 20 kA DC for safety
  • Current limiting reduces short-circuit damage
  • Time-delay Slo-Blo opening minimizes nuisance fuse trips
  • Integrated indicator window clearly shows blown fuse status
  • UL Listed and CSA Certified for compliance and reliability
  • Melamine body provides electrical insulation and durability
  • Nickel-plated bronze caps resist corrosion
  • Suitable for motor control centers, transformers, and breaker panels
  • Reduces equipment damage with superior overload and short-circuit protection
  • Simplifies maintenance by pinpointing blown fuses instantly with indicator window
  • Voltage: 600 VAC, 300 VDC
  • Ampere Rating: 30 A
  • Interrupting Rating: 20,000 A @ 300 VDC, 200 kA rms symmetrical AC
  • Opening: Slo-Blo/Time Lag (T)/Time Delay
  • Time Delay: Yes
  • Current Limiting: Yes
  • Watt Loss at 100% Rated Current (30A): 4.247 W
  • Watt Loss at 80% Rated Current (30A): 2.920 W
  • Material Body: Melamine
  • Material Caps: Nickel-plated Bronze
  • Dimensions for 30 A: A: 2 1/4 in (57.2 mm), C: 15/16 in (27.0 mm), D: 1 1/16 in (27.0 mm)
  • Applicable Standards: UL 248-8, Class J
  • Compliance: UL Listed, CSA Certified
  • Country of Origin: Mexico

Certification

UL JDDZ E81895
CSA 1422-02 029862

Datasheets

JTD Series Datasheet