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Littelfuse AGW3 - FUSE AGW 7AG 32V BOX 3A. 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 AGW3 FUSE AGW 7AG 32V BOX 3A. Originally stood for “all glass.” The automotive industry uses…

Alternate Item Number: 0AGW003.V

UPC: 079458005172


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Overview

The Littelfuse AGW3 (SKU: AGW3) is a 3 Ampere (3A) automotive glass fuse with a 32 Volt (32V) rating, designed for reliable circuit protection in demanding automotive and industrial environments. Part of the renowned AG Series, this fuse features a robust glass construction (7AG size) that ensures superior resistance to environmental stresses while providing a clear visual indicator of fuse status for simplified diagnostics and maintenance. The AGW3 is engineered to meet stringent automotive industry standards, making it ideal for protecting sensitive electronic components in vehicles, power distribution units, control panels, and industrial equipment. With a 1/4-inch diameter and 7/8-inch length, the AGW3 fuse is a direct replacement for standard 7AG fuses, offering consistent performance and long-term reliability. Manufactured by Littelfuse, a global leader in circuit protection solutions, the AGW3 fuse delivers precise overcurrent protection to safeguard electrical systems from damage caused by short circuits or overcurrent conditions. Its high-quality glass body ensures durability in harsh environments, while the 32V AC/DC voltage rating (with 250V substitution possible) provides versatility for a wide range of applications. Trusted by automotive technicians and industrial professionals, the AGW3 fuse is a cost-effective solution for maintaining the safety and operational integrity of critical electrical systems. Available in boxed or carded packaging, the AGW3 is suitable for use in vehicles, machinery, and equipment requiring reliable fuse protection.
  • 3 Ampere (3A) current rating for precise overcurrent protection
  • 32 Volt AC/DC voltage rating with 250V substitution capability
  • 7AG size (1/4-inch diameter, 7/8-inch length) for direct replacement compatibility
  • Glass construction for durability and visual status indication
  • Meets stringent automotive industry standards for reliable circuit protection

Specifications

Application
Automotive
Brand Name
Littelfuse
Connection Type
Wire Leads
Current Rating
3 A
Material
Glass
Mounting Type
Glass fuse
Mounting Type
Cartridge style
Series
AG Series
Series
AGW
Series
AG
Size
7AG
Special Features
32V AC DC
Sub Brand
AGW Fuses
Type
Glass Fuses
Voltage Rating
32 V
Voltage Rating
32 V AC/DC
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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AUTOMO MINI BLADE TYPE 500-PACK 7.5A. The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection throughout the world. Its miniature design, patented by Littelfuse, meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse the recommended choice for protection.

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AUTOMO MINI BLADE TYPE 500-PACK 7.5A. The MINI® Fuse is quickly becoming the new standard for vehicle circuit protection throughout the world. Its miniature design, patented by Littelfuse, meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse the recommended choice for protection.
FUSE AGW 7AG 32V BOX 15A. 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.

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FUSE - MAXI 32V 40A 50 PC. With "Diffusion Pill Technology" the MAXI® Fuse provides excellent time delay characteristics and low heat dissipation. Designed and patented by Littelfuse, the MAXI fuse is ideal for motor powered applications which have large inrush currents.

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FUSE - MAXI 32V 40A 50 PC. With "Diffusion Pill Technology" the MAXI® Fuse provides excellent time delay characteristics and low heat dissipation. Designed and patented by Littelfuse, the MAXI fuse is ideal for motor powered applications which have large inrush currents.
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AGW4

FUSE AGW 7AG 32V BOX 4A. 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.

Frequently Asked Questions

What is the amperage rating of the AGW3 fuse?

The AGW3 fuse has a 3 Ampere (3A) current rating.

What is the voltage rating of the AGW3 fuse?

The AGW3 fuse has a 32V AC/DC voltage rating, with 250V substitution possible.

What size is the AGW3 fuse?

The AGW3 fuse is a 7AG size with a 1/4-inch diameter and 7/8-inch length.

What is the construction material of the AGW3 fuse?

The AGW3 fuse features a high-quality glass construction for durability and visual status indication.

Is the AGW3 fuse suitable for industrial applications?

Yes, the AGW3 fuse is designed for reliable circuit protection in both automotive and industrial environments.

Can the AGW3 fuse be used as a direct replacement?

Yes, the AGW3 fuse is a direct replacement for standard 7AG fuses due to its size and specifications.

What standards does the AGW3 fuse comply with?

The AGW3 fuse is designed to specifications set by the Society of Fuse Engineers.

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.