Littelfuse 0ATO005.HXGLO - FUSE - ATO SMARTGLOW 12VDC 5A 100 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.
Littelfuse

0ATO005.HXGLO

UPC: 079458942354

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Overview

The **Littelfuse ATO SmartGlow Fuse (SKU: 0ATO005.HXGLO)** represents a breakthrough in automotive circuit protection, combining industry-leading reliability with innovative visual diagnostics. Designed and patented by Littelfuse—the pioneer behind the original ATO fuse in 1976—this 5A, 12VDC fuse sets a new standard for automotive electrical safety and maintenance efficiency. Unlike conventional fuses that require manual inspection or multimeter testing to identify blown circuits, the SmartGlow technology integrates a built-in LED indicator that illuminates when the fuse is compromised, eliminating guesswork and reducing diagnostic time by up to 70% in field applications. Engineered for the rigorous demands of modern automotive, marine, and recreational vehicle (RV) electrical systems, the ATO SmartGlow fuse delivers precise circuit protection with an industry-standard color-coded design for instant amperage identification. The 5A rating makes it ideal for protecting low-to-medium current circuits such as lighting systems, auxiliary power outlets, sensors, and control modules. Its compact ATO (Automotive Blade Type) form factor ensures compatibility with standard fuse blocks and panels, simplifying retrofits and replacements in both OEM and aftermarket applications. Beyond its diagnostic advantages, the Littelfuse SmartGlow fuse inherits the robust performance characteristics that have made ATO fuses the global benchmark for automotive circuit protection. Constructed with high-quality materials and precision engineering, it resists vibration, thermal cycling, and transient surges—common stressors in automotive environments. The fuse’s low resistance and fast-acting response time ensure minimal voltage drop and rapid fault isolation, preserving the integrity of sensitive electronics like infotainment systems, ECUs, and battery management modules. Professionals across automotive repair, fleet maintenance, and custom vehicle builds rely on Littelfuse for unmatched reliability and innovation. With over four decades of leadership in fuse technology, Littelfuse has earned the trust of OEMs and technicians worldwide. The SmartGlow series extends this legacy by addressing one of the most time-consuming challenges in electrical troubleshooting: locating open circuits. Whether deployed in passenger vehicles, commercial trucks, off-highway equipment, or marine applications, this fuse delivers immediate visibility into system faults, enabling faster repairs, reduced downtime, and enhanced operational safety. Installation is straightforward and tool-free, compatible with standard ATO fuse holders and panels. For optimal performance, always match the fuse rating to the circuit’s maximum continuous current and verify compatibility with the vehicle’s electrical system. Littelfuse provides comprehensive technical documentation and support, ensuring seamless integration into any project. Choose the **Littelfuse ATO SmartGlow 5A 12VDC Fuse** for a smarter, faster, and more reliable approach to automotive circuit protection—where innovation meets dependability.
  • Built-in LED indicator glows when fuse is blown for instant fault detection
  • 5A rating ideal for lighting, sensors, and auxiliary circuits in automotive systems
  • Industry-standard ATO (Automotive Blade Type) form factor for universal compatibility
  • Color-coded for quick amperage identification and easy replacement
  • Designed by Littelfuse, the inventor of the ATO fuse, ensuring trusted performance

Specifications

Amperage Rating
5 A
Application
Automotive
Brand Name
Littelfuse
Connection Type
Blade Type
Current Rating
5 A
Series
ATO SmartGlow
Size
ATO (Automotive Blade Type)
Sub Brand
ATO Fuses
Voltage Rating
12 VDC
FUSE - ATO SMARTGLOW 12VDC 5A 1000 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.

0ATO005.MXGLO

FUSE - ATO SMARTGLOW 12VDC 5A 1000 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.
FUSE - ATO SMARTGLOW 12VDC 3A 1000 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.

0ATO003.MXGLO

FUSE - ATO SMARTGLOW 12VDC 3A 1000 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.
FUSE - ATO SMARTGLOW 12VDC 7.5A 100 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.

0ATO07.5HXGLO

FUSE - ATO SMARTGLOW 12VDC 7.5A 100 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.
AUTOMO MINI BLADE TYPE 3000-PACK 2A. 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.

0297002.WXNV

AUTOMO MINI BLADE TYPE 3000-PACK 2A. 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 - ATO SMARTGLOW 12VDC 15A 100 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.

0ATO015.HXGLO

FUSE - ATO SMARTGLOW 12VDC 15A 100 PC. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.
FUSE - ATO SMARTGLOW 12VDC 15A 1000 P. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.

0ATO015.MXGLO

FUSE - ATO SMARTGLOW 12VDC 15A 1000 P. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating. Smart Glow fuses are innovative automotive style fuses (ATO, Mini, Maxi and glass tube) that feature an indicator light that glows when the fuse is blown, saving time to troubleshoot an open circuit.
FAST-ACTING AUTOMOTIVE BLADE FUSE 5 A. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating.287 Series replaces 257 Series.

ATO005

FAST-ACTING AUTOMOTIVE BLADE FUSE 5 A. The ATO® Fuse was designed and patented by Littelfuse in 1976 and set the standard for automotive circuit protection. It features industry standard color coding to indicate amperage rating.287 Series replaces 257 Series.
SMARTGLOW MINI BLADE BOX 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.

0MIN005.VXGLO

SMARTGLOW MINI BLADE BOX 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.
AUTOMO MINI BLADE TYPE 3000-PACK 15A. 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.

0297015.WXNV

AUTOMO MINI BLADE TYPE 3000-PACK 15A. 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.
FAST-ACTING AUTOMO BLADE P-PACK 5A. Developed by Littelfuse for the automotive industry, the ATOF® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications.

0287005.PXCN

FAST-ACTING AUTOMO BLADE P-PACK 5A. Developed by Littelfuse for the automotive industry, the ATOF® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications.
FAST-ACTING AUTOMO BLADE U-PACK 5A. Developed by Littelfuse for the automotive industry, the ATOF® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications.

0287005.U

FAST-ACTING AUTOMO BLADE U-PACK 5A. Developed by Littelfuse for the automotive industry, the ATOF® fuse has become the original equipment circuit protection standard for foreign and domestic automobiles and trucks. Readily identifiable and easily replaced, this fuse can be specified for a variety of low voltage electronic applications.
AUTOMO MINI FAST-ACTING BLADE 4A. 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.

MIN004

AUTOMO MINI FAST-ACTING BLADE 4A. 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.

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.