Littelfuse 0ATO030.MXGLO - FUSE - ATO SMARTGLOW 12VDC 30A 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.
Littelfuse

0ATO030.MXGLO

UPC: 819562004308

Documents & Media
BrochureSpecification Sheet

Contact for Pricing

Minimum Qty: 1000

Multiplier: 1000

*Contact for lower quantities*

Overview

The Littelfuse ATO SmartGlow Fuse (SKU: 0ATO030.MXGLO) represents the gold standard in automotive circuit protection, combining decades of industry leadership with cutting-edge diagnostic innovation. Originally patented by Littelfuse in 1976, the ATO (Automotive Type) fuse series has established itself as the benchmark for vehicle electrical safety, with over 40 years of proven performance across millions of applications. The SmartGlow variant introduces an integrated visual indicator that eliminates the need for manual testing, providing immediate confirmation when a fuse has blown—a critical advantage in time-sensitive diagnostic scenarios. Engineered for 12VDC automotive systems, this 30-ampere fuse delivers precise circuit protection while its patented glow technology transforms troubleshooting efficiency. The indicator light activates the moment a circuit interruption occurs, allowing technicians and vehicle owners to pinpoint open circuits with unparalleled speed. This feature is particularly valuable in complex electrical systems found in modern vehicles, where multiple circuits and advanced electronics demand rapid fault detection to prevent secondary damage or diagnostic delays. The ATO SmartGlow fuse adheres to industry-standard color coding for amperage identification, ensuring compatibility with existing fuse blocks and panels. Its compact, blade-style design conforms to SAE J1284 specifications, making it a drop-in replacement for conventional ATO fuses in automotive, marine, and recreational vehicle applications. The 1000-piece packaging (as indicated by the catalog description) provides cost-effective bulk availability for OEMs, fleet operators, and aftermarket service providers who require high-volume inventory management. Littelfuse’s reputation as the inventor of the ATO fuse and a pioneer in circuit protection technology underpins the reliability of this product. The SmartGlow series extends this legacy by addressing a persistent challenge in automotive maintenance: the inability to visually confirm fuse status without specialized tools. Whether deployed in passenger vehicles, commercial trucks, off-road equipment, or powersports applications, these fuses deliver consistent performance in harsh operating environments, including extreme temperatures, vibration, and electrical transients. Installation is straightforward, requiring no additional components or modifications to existing fuse blocks. The fuse’s blade terminals ensure secure contact, while the transparent housing and glow indicator maintain visibility even in low-light conditions. For professionals managing large fleets or service centers, the SmartGlow’s diagnostic advantage translates to reduced downtime, lower labor costs, and improved first-time fix rates. The 30-amp rating makes it ideal for protecting high-current circuits such as headlights, power windows, cooling fans, and auxiliary electrical systems. Backed by Littelfuse’s global manufacturing footprint and rigorous quality control, the ATO SmartGlow fuse exemplifies the company’s commitment to innovation and safety. When circuit protection is non-negotiable, the SmartGlow fuse provides the confidence of immediate feedback, the reliability of industry-standard design, and the peace of mind that comes from choosing a product engineered by the inventor of the ATO fuse itself.
  • Patented SmartGlow technology provides immediate visual confirmation of blown fuses
  • Industry-standard ATO design with SAE J1284 compliance for universal compatibility
  • 30A rating ideal for high-current automotive circuits (headlights, fans, power windows)
  • 1000-piece bulk packaging for OEMs, fleets, and service centers
  • Original ATO fuse design by Littelfuse (patented 1976) with 40+ years of proven reliability

Specifications

Amperage Rating
30 A
Application
Automotive
Brand Name
Littelfuse
Color
Blue
Connection Type
Blade
Connection Type
Blade Terminal
Current Rating
30 A
Material
Plastic
Material
Poly
Mounting Type
Panel Mount
Series
ATO SmartGlow
Size
ATO
Sub Brand
ATO Fuses
Voltage Rating
12 VDC
FUSE - ATO SMARTGLOW 12VDC 25A 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.

0ATO025.HXGLO

FUSE - ATO SMARTGLOW 12VDC 25A 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 25A 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.

0ATO025.MXGLO

FUSE - ATO SMARTGLOW 12VDC 25A 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.
FUSE - ATO SMARTGLOW 12VDC 20A 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.

0ATO020.HXGLO

FUSE - ATO SMARTGLOW 12VDC 20A 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.
FAST-ACTING AUTOMO BLADE L-PACK 20A. 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.

0287020.L

FAST-ACTING AUTOMO BLADE L-PACK 20A. 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 P-PACK 20A. 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.

0287020.PXCN

FAST-ACTING AUTOMO BLADE P-PACK 20A. 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.
FUSE - ATO SMARTGLOW 12VDC 30A 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.

0ATO030.HXGLO

FUSE - ATO SMARTGLOW 12VDC 30A 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.
FAST-ACTING AUTOMO BLADE U-PACK 20A. 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.

0287020.U

FAST-ACTING AUTOMO BLADE U-PACK 20A. 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 BLADE TYPE 50-PACK 3A. 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.

0297003.L

AUTOMO MINI BLADE TYPE 50-PACK 3A. 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 U-PACK 3A. 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.

0287003.U

FAST-ACTING AUTOMO BLADE U-PACK 3A. 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 2A. 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.

0287002.U

FAST-ACTING AUTOMO BLADE U-PACK 2A. 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.
SMARTGLOW MINI BLADE BOX 25A. 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.

0MIN025.VXGLO

SMARTGLOW MINI BLADE BOX 25A. 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.