Littelfuse 0MAX050.XPGLO - AUTOMO MAXI SLO-BLO SMART GLOW 50A. 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. 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

0MAX050.XPGLO

UPC: 819562003509


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Overview

The Littelfuse MAXI Slo-Blo Smart Glow Fuse (SKU: 0MAX050.XPGLO) sets the industry standard for advanced circuit protection in automotive and motor-driven applications. Designed by Littelfuse, a global leader in circuit protection solutions, this 50-amp MAXI fuse combines proprietary Diffusion Pill Technology with Smart Glow indicator technology to deliver unparalleled performance and diagnostic efficiency. Whether protecting high-inrush motor circuits in hybrid vehicles, heavy-duty machinery, or industrial control systems, this fuse provides the reliability and visibility professionals demand when every second counts during fault isolation. At the core of this innovation is Littelfuse's patented Diffusion Pill Technology, which enables exceptional time-delay characteristics while maintaining low heat dissipation—critical for applications where transient overloads are common but sustained faults must be prevented. The Smart Glow feature represents a breakthrough in troubleshooting efficiency: when the fuse blows, an embedded LED indicator activates, providing immediate visual confirmation without the need for multimeters or circuit testing. This reduces diagnostic time by up to 70% compared to traditional fuses, minimizing equipment downtime in mission-critical applications. The MAXI Slo-Blo Smart Glow Fuse is engineered specifically for motor-powered systems that experience large inrush currents during startup, such as electric vehicle traction motors, industrial pumps, HVAC compressors, and agricultural equipment. Its 50-amp rating makes it ideal for high-current circuits where standard automotive fuses would fail prematurely. The MAXI form factor ensures compatibility with standard automotive fuse blocks while offering superior current handling compared to Mini or ATO fuses. Professionals choose Littelfuse for circuit protection because of the company's 100+ years of innovation and reliability in harsh environments. The MAXI Slo-Blo Smart Glow Fuse exemplifies this commitment, featuring: - **Diffusion Pill Technology** for optimal time-delay performance in motor circuits - **Smart Glow indicator** for instant blown-fuse detection - **50-amp continuous rating** with superior heat dissipation - **ATO/MAXI form factor** for broad compatibility - **Littelfuse quality** with global certifications and field-proven reliability Installation is straightforward with standard MAXI fuse block compatibility, and the fuse's compact design allows for easy integration into crowded electrical panels. For maintenance teams, the Smart Glow feature eliminates guesswork during troubleshooting, reducing service calls and improving first-time-fix rates. The fuse's low heat dissipation also contributes to longer component life in adjacent circuits. Littelfuse backs this product with comprehensive technical support and documentation, ensuring engineers and technicians can specify and install with confidence. Whether protecting a single motor circuit or an entire vehicle electrical system, the MAXI Slo-Blo Smart Glow Fuse delivers the protection, visibility, and reliability that modern applications demand. Trust Littelfuse to keep your systems safe and your operations running smoothly.
  • 50A MAXI fuse with Smart Glow blown indicator for instant fault detection
  • Diffusion Pill Technology delivers optimal time-delay for motor inrush currents
  • Low heat dissipation for improved system reliability and component longevity
  • ATO/MAXI form factor compatible with standard automotive fuse blocks
  • Patented by Littelfuse with global certifications for industrial and automotive use

Specifications

Amperage Rating
50 A
Application
Automotive
Brand Name
Littelfuse
Current Rating
50 A
Mounting Type
Fuse Block
Series
MAXI Slo-Blo Smart Glow
Size
MAXI
Special Features
Indicator light that glows when the fuse is blown
Sub Brand
MAXI Smart Glo
Type
Blade Fuse
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MAXI 32V NYLON/VISION 50A 1200 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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PAL040

FUSE PAL AUTO LINK 32V FEMALE BOX 40A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.
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PAL160

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PAL240

FUSE AUTO LINK 32V 13/16 BNT BOX 40A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.
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PAL260

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PAL340

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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.