Littelfuse 048102.5HXLP - 125V ALARM FUSE W/LENS ROHS H-PACK 2.5A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.
Littelfuse

048102.5HXLP

UPC: 079458124897


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Overview

The Littelfuse 048102.5HXLP is a specialized 125V alarm fuse engineered for critical circuit protection in demanding industrial environments, particularly within telecommunications and control panel applications. This high-performance fuse is designed not only to interrupt fault currents but also to provide immediate visual and audible notification of circuit status, significantly reducing diagnostic time and operational downtime. Its innovative design incorporates color-coded indicator flags that clearly display the fuse's ampere rating, simplifying inventory management and replacement procedures. When paired with the compatible Littelfuse 482 Series mating holders, the 048102.5HXLP triggers an integrated alarm mechanism upon blowing (opening), alerting operators to a fault condition via an LED or audio signal. This proactive signaling capability is invaluable for maintaining system integrity and preventing cascading failures. Constructed with a robust black polyphenylene sulfide body, this fuse boasts a UL-94V0 flammability rating, ensuring superior resistance to fire and contributing to overall system safety. The internal contacts are manufactured from bright alloy-plated beryllium copper, a material renowned for its excellent conductivity, durability, and resistance to corrosion, guaranteeing reliable electrical connections even under strenuous operating conditions. The inclusion of a clear plastic lens option further enhances safety by providing an additional layer of protection and visibility. Key features and benefits of the Littelfuse 048102.5HXLP include: * **Instant Fault Indication:** Color-coded indicator flags and an integrated alarm system (with mating holder) immediately pinpoint blown circuits, minimizing downtime. * **Enhanced Safety:** UL-94V0 flammability rating and optional clear plastic lens contribute to a safer operating environment. * **Durable Construction:** Black polyphenylene sulfide body and beryllium copper contacts ensure longevity and reliable performance. * **Wide Application Range:** Ideal for sensitive telecommunications equipment and complex control panel circuits. * **Simplified Maintenance:** Color-coded ampere ratings facilitate quick identification and replacement. Littelfuse is a globally recognized leader in circuit protection, and the 048102.5HXLP exemplifies their commitment to innovation and quality. Professionals in the telecommunications sector rely on Littelfuse fuses for their mission-critical infrastructure, where uninterrupted service and rapid fault resolution are paramount. Similarly, control panel designers and integrators trust Littelfuse for robust protection solutions that ensure the reliable operation of automated systems, industrial machinery, and building management systems. The 048102.5HXLP, with its SKU 048102.5HXLP, is a testament to Littelfuse's dedication to providing advanced, user-friendly, and highly effective circuit protection devices. Its design prioritizes not just safety but also operational efficiency, making it an indispensable component for any application where swift fault detection and reliable circuit interruption are essential. The UNSPSC code for this product is 39121623, categorizing it within the fuse and protector segment.
  • 125V AC voltage rating for broad application compatibility.
  • 2.5A ampere rating suitable for various control and telecommunication circuits.
  • Integrated alarm function (with mating holder) for immediate fault indication.
  • Color-coded indicator flags for easy ampere rating identification.
  • UL-94V0 flammability rated polyphenylene sulfide body for enhanced safety.

Specifications

Application
Telecommunicationso and control panel circuits
Brand Name
Littelfuse
Color
Black
Color
Black (body) with color-coded indicator flags
Current Rating
2.5 A
Material
Polyphenylene sulfide
Material
Polyphenylene sulfide (body), beryllium copper (contacts)
Series
048 Series
Series
H-PACK Alarm Fuse
Special Features
Fast- Acting
Sub Brand
481 Series
Type
Alarm Indication Fuse
Voltage Rating
125 V
Package Dimensions (L x W x H)
12 IN x 14 IN x 6 IN
Package Dimensions (L x W x H)
30.48 cm x 35.56 cm x 15.24 cm
Package Weight (Imperial)
5.000 L
Package Weight (Metric)
2.268 kg

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Voltage Rating: 125V

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048102.5VXP


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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.