Littelfuse 0481012.HXLP - 125V ALARM FUSE W/LENS H-PACK 12A. 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

0481012.HXLP

UPC: 079458124781

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Overview

The Littelfuse 0481012.HXLP is a specialized 125V, 12A alarm fuse engineered to provide superior circuit protection and immediate fault indication in critical industrial and telecommunications environments. Designed by Littelfuse, a globally recognized leader in circuit protection, this fuse goes beyond simple overcurrent interruption by actively signaling a blown circuit, significantly reducing diagnostic time and minimizing costly downtime. Its robust construction features a body made from black polyphenylene sulfide, a high-performance thermoplastic known for its excellent thermal stability and chemical resistance, boasting a UL-94V0 flammability rating for enhanced safety in demanding applications. The fuse's contacts are crafted from bright alloy-plated beryllium copper, ensuring reliable, low-resistance electrical connections even under strenuous operating conditions. One of the standout features of the 0481012.HXLP is its integrated color-coded indicator flags. These flags provide an intuitive and rapid method for identifying the fuse's specific ampere rating, streamlining inventory management and replacement procedures. This visual cue is invaluable in busy control panels or telecommunications racks where quick identification is paramount. Furthermore, the inclusion of a clear plastic lens option adds an extra layer of safety, providing a physical barrier and enhancing visibility of the indicator. This alarm fuse is specifically designed for seamless integration with Littelfuse's 482 Series mating holders. When a circuit fault occurs and the fuse blows, it not only opens the circuit but also triggers an alarm signal. This signal can be configured to activate an LED indicator or an audible alarm, providing immediate notification to operators or maintenance personnel. This proactive signaling capability is crucial for preventing cascading failures and for enabling swift response to electrical anomalies. The primary applications for the Littelfuse 0481012.HXLP include sensitive telecommunications equipment, complex control panels, automation systems, and any circuit where rapid fault detection and minimal operational interruption are essential. By employing this advanced alarm fuse, businesses can significantly improve their system reliability and operational efficiency, ensuring that critical infrastructure remains online and performing optimally. The UNSPSC code for this product is 39121623, categorizing it within the fuse and protector components sector.
  • 125V AC voltage rating with a 12A current rating for versatile circuit protection.
  • Integrated color-coded indicator flags for instant ampere rating identification.
  • Durable black polyphenylene sulfide body with UL-94V0 flammability rating for enhanced safety.
  • Bright alloy-plated beryllium copper contacts ensure superior electrical conductivity and reliability.
  • Designed for use with 482 Series mating holders to trigger LED or audio alarms upon circuit interruption.

Specifications

Application
Telecommunicationso and control panel circuits
Brand Name
Littelfuse
Color
Black
Current Rating
12 A
Material
Polyphenylene sulfide (PPS) with UL-94V0 flammability rating, bright alloy-plated beryllium copper (contacts)
Series
482 Series (mating holder)
Size
H-PACK
Special Features
Fast- Acting
Sub Brand
481 Series
Type
Alarm Indication Fuse
Voltage Rating
125 V

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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.