Littelfuse 04820001ZXP - PANEL MOUNT ALARM FUSE FUSEHOLDER. Ideal for telecommunications and control panel circuits, the 482 Series fuseholder series is designed for use with Littelfuse 481 Alarm Indicating Fuses. Each holder is designed to accept other manufacturer’s replacement fuses as well. The fuseholder is available in three versions: PCB Mount - 15A: Can be soldered directly to a printed circuit board. Rated up to 15 amperes. Available in single pole or gangable up to 20 poles. Fuseholder is keyed to prevent insertion of 20 ampere fuse. Can be soldered directly to a printed circuit board. Rated up to 15 amperes. Available in single pole or gangable up to 20 poles. Fuseholder is keyed to prevent insertion of 20 ampere fuse. Panel Mount - 20A: Available in a single pole version rated up to 20 amperes. Large leads for wire attachment. Available in a single pole version rated up to 20 amperes. Large leads for wire attachment. Panel Mount - 15A: 15 ampere gangable version of fuseholder is keyed to prevent insertion of 20 ampere fuse. 15 ampere gangable version of fuseholder is keyed to prevent insertion of 20 ampere fuse.
Littelfuse

04820001ZXP

UPC: 079458750706


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Overview

The Littelfuse 482 Series Panel Mount Alarm Fuseholder (SKU: 04820001ZXP) provides essential circuit protection for telecommunications and industrial control panel applications. Designed to work with Littelfuse 481 Alarm Indicating Fuses, this fuseholder offers immediate visual indication of a blown fuse, significantly reducing downtime by enabling rapid fault identification. It is also compatible with replacement fuses from other manufacturers. The 482 Series is available in panel mount configurations with current ratings of 15 amperes or 20 amperes. The 20A panel mount version is a single-pole unit featuring large leads for straightforward wire attachment, ensuring secure connections. The 15A panel mount version is gangable up to 20 poles and includes pole keying to prevent the insertion of a 20A fuse, thereby maintaining circuit integrity and preventing over-current situations. The series also includes PCB mount versions rated up to 15A, available in single pole or gangable up to 20 poles, with the same keying feature to prevent 20A fuse insertion. Key specifications include: Series: 482 Series, Connection Type: Wire attachment (panel mount), Poles: Up to 20 poles (gangable versions). Applications are ideal for telecommunications infrastructure, industrial control panels, and automation systems where quick fault detection is critical. The robust construction and thoughtful design, including options for clear plastic lenses on mating fuses for added safety, underscore Littelfuse's commitment to quality and performance. The fuseholder is designed for use with Littelfuse 481 Alarm Indicating Fuses, which feature color-coded indicator flags and a clear plastic lens option for enhanced safety and visibility. These alarm fuses are rated for 125V and are available in various ampere ratings such as 0.200A, 0.180A, 0.250A, and 0.500A, constructed with black polyphenylene sulfide bodies (UL-94V0 flammability rating) and bright alloy-plated beryllium copper contacts.
  • Designed for telecommunications and control panel circuits
  • Compatible with Littelfuse 481 Alarm Indicating Fuses
  • Provides immediate visual indication of blown fuses
  • Panel Mount - 20A: Single pole with large leads for wire attachment
  • Panel Mount - 15A: Gangable up to 20 poles with keying to prevent 20A fuse insertion

Specifications

Brand Name
Littelfuse
Connection Type
Solder / Wire Leads
Connection Type
Wire attachment (panel mount)
Current Rating
15 A / 20 A
Material
Poly
Mounting Type
Panel Mount
Mounting Type
Panel Mount / PCB Mount
Poles
1P / Gangable up to 20P
Poles
Up to 20 poles (gangable)
Series
482 Series
Series
482
Special Features
See in the web sheet
Standard
UL Listed CSA
Sub Brand
482 Series
Type
Fuseholders
Package Dimensions (L x W x H)
6 IN x 5 IN x 2 IN
Package Dimensions (L x W x H)
15.24 cm x 12.7 cm x 5.08 cm
Package Weight (Imperial)
0.250 L
Package Weight (Metric)
0.113 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.