Littelfuse AGX20 - FUSE AGX 8AG 32V BOX 20A. Originally stood for “all glass.” The automotive industry uses the “AG” prefix (AGC, AGW) for most glass fuses. They vary in length, diameter and amperage rating.
Littelfuse

AGX20

Alternate Item Number: 0AGX020.V

UPC: 079458005264


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Overview

The Littelfuse AGX20 is a precision-engineered 8AG automotive glass fuse designed for reliable circuit protection in vehicle electrical systems. Rated at 20 Amperes (A) and 32 Volts (V), this fuse is part of the AGX series, a trusted line of glass fuses originally designated as "all glass" (AG) by the automotive industry. The AGX20 is specifically formulated to safeguard sensitive electronic components from overcurrent conditions, short circuits, and overloads, ensuring the operational integrity and safety of automotive electrical systems. Manufactured in the US, the AGX20 meets stringent automotive industry standards, delivering consistent performance in demanding environments. Its compact 8AG size (1/4" diameter x 1" length) ensures compatibility with a wide range of automotive fuse holders, making it a versatile solution for various vehicle applications. The glass construction allows for easy visual inspection, simplifying maintenance and diagnostics for technicians and DIY enthusiasts alike. Key features of the AGX20 include a 32V AC/DC voltage rating, 20A current rating, and a durable glass body that provides dimensional stability in harsh conditions. The fuse is packaged in a 5-piece box for convenience and cost-effectiveness, ideal for both professional mechanics and automotive enthusiasts. Whether replacing a blown fuse or upgrading a vehicle's electrical system, the Littelfuse AGX20 offers dependable protection and peace of mind. The AGX series, including the AGX20, is recognized for its reliability and precision in automotive circuit protection. Trust Littelfuse, a leader in circuit protection technology, to deliver quality and performance with every fuse.
  • 20A current rating with 32V AC/DC voltage rating
  • 8AG size (1/4" diameter x 1" length) for universal compatibility
  • Glass construction for easy visual inspection and diagnostics
  • 5-piece box packaging for convenience and cost-effectiveness
  • Manufactured in the US to meet automotive industry standards

Specifications

Application
Automotive
Brand Name
Littelfuse
Special Features
32V AC DC
Sub Brand
AGX Fuses
Type
Glass Fuses
Package Dimensions (L x W x H)
3 IN x 2 IN x 1 IN
Package Dimensions (L x W x H)
7.62 cm x 5.08 cm x 25.4 mm
Package Weight (Imperial)
0.150 L
Package Weight (Metric)
0.068 kg
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MEG150L

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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.