Littelfuse 0LGR003UXL - The Littelfuse® POWR-PRO® JTD_ID Indicator Class J fuse provides visual blown fuse indication and maximum protection in a compact package. The compact Class J package was designed specifically for circuits where space is at a premium. The current limiting time delay JTD_ID offers a patented true dual-element design that is ideal for use in circuits with high inrush currents. Superior performance characteristics of JTD_ID Indicator fuses reduce nuisance fuse opening and the blown fuse indication reduces downtime and increases safety.
Littelfuse

0LGR003UXL

Alternate Item Number: 0LGR003.UXL

UPC: 079458098457


Documents & Media
BrochureTechnical BulletinSpecification Sheet

Contact for Pricing

Minimum Qty: 500

Multiplier: 500

*Contact for lower quantities*

Overview

The Littelfuse® POWR-PRO® JTD_ID Indicator Class J fuse (SKU: 0LGR003UXL) is engineered to deliver superior circuit protection in demanding industrial environments where space is a critical consideration. This fuse combines a compact Class J package with advanced features, including visual blown fuse indication and a patented true dual-element time-delay design, making it an ideal solution for circuits prone to high inrush currents. The JTD_ID series is designed to minimize nuisance fuse openings, thereby enhancing system reliability and reducing costly downtime. Its current-limiting capabilities provide robust protection against short circuits and overloads, safeguarding sensitive equipment and personnel. Engineered by Littelfuse, a recognized leader in circuit protection, the POWR-PRO JTD_ID fuse leverages decades of expertise to offer a reliable and efficient solution. The compact Class J footprint is specifically advantageous for panel builders and system designers working with limited space, allowing for denser equipment configurations without compromising safety or performance. This fuse is particularly well-suited for applications such as motor control circuits, industrial machinery, power distribution panels, and other critical electrical systems where consistent operation and rapid fault identification are paramount. The patented true dual-element design is a cornerstone of the JTD_ID's performance. This innovative construction provides two distinct elements: one for fast-acting overload protection and another for time-delay response to sustained overcurrents. This dual functionality effectively handles the high transient currents associated with motor startups and other inductive loads, preventing unnecessary fuse blowouts while still offering definitive protection against damaging faults. This feature significantly contributes to increased uptime and reduced maintenance costs. Furthermore, the integrated visual blown fuse indicator offers an immediate and unmistakable signal when the fuse has operated. This feature dramatically reduces troubleshooting time and enhances safety by allowing maintenance personnel to quickly identify the faulty circuit without the need for specialized testing equipment. The ability to rapidly locate and replace a blown fuse minimizes operational disruptions and ensures that electrical systems are brought back online swiftly and safely. The JTD_ID Indicator Class J fuse is a testament to Littelfuse's commitment to providing advanced, user-friendly, and highly effective circuit protection solutions for the modern industrial landscape. Its combination of compact size, advanced time-delay characteristics, and clear visual indication makes it an indispensable component for ensuring the integrity and continuous operation of critical electrical infrastructure. Key Benefits: * **Space-Saving Compact Design:** The Class J footprint is ideal for space-constrained applications. * **Superior Inrush Current Handling:** Patented true dual-element time-delay design minimizes nuisance openings. * **Visual Blown Fuse Indication:** Facilitates rapid identification of tripped fuses, reducing downtime and enhancing safety. * **High Current-Limiting Capability:** Provides robust protection against short circuits and overloads. * **Enhanced System Reliability:** Reduces nuisance tripping and protects sensitive equipment. Typical Applications: * Motor control circuits * Industrial machinery and automation * Power distribution systems * HVAC equipment * Lighting control systems
  • Compact Class J package designed for space-constrained applications.
  • Patented true dual-element time-delay design for superior inrush current handling.
  • Provides visual blown fuse indication for quick identification and reduced downtime.
  • High current-limiting capability for robust circuit protection.
  • Reduces nuisance fuse openings, enhancing system reliability and safety.

Specifications

Amperage Rating
0.5 A
Application
electronic equipment & appliances
Brand Name
Littelfuse
Series
POWR-PRO JTD_ID Indicator Class J
Size
Compact Class J
Special Features
Slo-Blo
Standard
UL/CSA/ANCE 248 Standard
Sub Brand
239 Series
Type
5 x 20 mm UL/CSA Slo-Blo

Similar Products

0LGR001UXL


Amperage Rating: 0.6 A

Series: JTD_ID

0LGR002UXL


Amperage Rating: 0.4 A

Series: POWR-PRO JTD_ID

0LGR01.5UXL


Amperage Rating: 0.6 A

Current Rating: 1.5 A

Series: POWR-PRO JTD_ID

0LGR.500UXL


Amperage Rating: 4000 Amps

Application: Protection of Semiconductors

Special Features: Very-Fast Acting

0LD57043Z


Amperage Rating: 950 Amp

Sub Brand: Electrical Power Distribution Blocks

Voltage Rating: 600 VAC

Frequently Asked Questions about Littelfuse

What certifications and standards do Littelfuse products comply with?

Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.

What industries and applications are Littelfuse products used for?

Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.

What technical support does Littelfuse offer?

Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.

What are the main product lines offered by Littelfuse?

Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.

What are the key features of Littelfuse products?

Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.

What environmental ratings do Littelfuse products have?

Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.

What accessories are available for Littelfuse products?

Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.

What is Littelfuse's warranty policy?

Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].

What communication protocols do Littelfuse products support?

Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.

How are Littelfuse products typically installed?

Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.