Littelfuse 048107.5HXLP - 125V ALARM FUSE W/LENS H-PACK 7.5A. 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

048107.5HXLP

UPC: 079458125078


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Overview

The Littelfuse 048107.5HXLP is a high-performance 125V alarm fuse engineered for critical applications within telecommunications and control panel systems. This 7.5A fuse is designed to provide immediate and unambiguous circuit fault detection, significantly reducing downtime and enhancing operational reliability. Its innovative design incorporates color-coded indicator flags that visually signal an open circuit, allowing technicians to quickly identify the affected component without extensive troubleshooting. When utilized with a mating holder from the Littelfuse 482 Series, this alarm fuse can trigger an LED or audio alarm, providing an instant alert to system anomalies. Constructed with a robust black polyphenylene sulfide body, the 048107.5HXLP meets stringent UL-94V0 flammability standards, ensuring safety and durability in demanding industrial environments. The fuse's contacts are made from a bright alloy-plated beryllium copper, offering excellent conductivity and long-term performance. 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 048107.5HXLP include: * **Instant Fault Identification:** Color-coded indicator flags immediately pinpoint blown circuits, minimizing diagnostic time. * **Alarm Integration:** Compatible with Littelfuse 482 Series holders to trigger audible or visual alarms. * **Enhanced Safety:** UL-94V0 flammability rating and optional clear plastic lens. * **Durable Construction:** Black polyphenylene sulfide body and bright alloy-plated beryllium copper contacts. * **Optimized for Critical Systems:** Ideal for telecommunications infrastructure and complex control panel circuits. In the telecommunications industry, reliable power distribution and protection are paramount. Downtime can lead to significant financial losses and service disruptions. The Littelfuse 048107.5HXLP addresses this by providing a proactive fault indication system. Control panels, which manage a multitude of functions in industrial automation, manufacturing, and building management, also benefit immensely from rapid fault detection. The ability to quickly isolate a faulty circuit prevents cascading failures and ensures that essential operations can resume with minimal interruption. Littelfuse is a globally recognized leader in circuit protection, known for its commitment to quality, innovation, and reliability. Their extensive range of fuses and protection devices are trusted by engineers and technicians worldwide for their performance and durability. The 048107.5HXLP exemplifies this commitment, offering a specialized solution for applications where rapid fault identification and operational continuity are critical. Selecting the right fuse is crucial for system integrity, and this alarm fuse from Littelfuse provides an advanced solution for modern electrical systems.
  • 125V AC voltage rating
  • 7.5 Ampere current rating
  • Color-coded indicator flags for immediate blown circuit identification
  • UL-94V0 flammability rated black polyphenylene sulfide body
  • Bright alloy-plated beryllium copper contacts for superior conductivity
  • Optional clear plastic lens for enhanced safety
  • Designed for telecommunications and control panel circuits
  • Compatible with Littelfuse 482 Series holders for alarm triggering (LED/audio)

Specifications

Application
Telecommunicationso and control panel circuits
Brand Name
Littelfuse
Color
Black
Current Rating
7.5 A
Material
Polyphenylene sulfide, Beryllium copper
Series
482 Series
Size
H-PACK
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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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.