Authorized Littelfuse Distributor
Littelfuse 0FHA0001XPGLO - ATO INLINE FUSEHOLDER SMART GLOW. The is molded from clear plastic allowing you to see the fuse indicator without opening the fuseholder cover. The Molded Fuseholder is a versatile fuseholder for in-line applications. Regular Duty: Use with ATO® Fuse 1 to 20 amps. Supplied with two 4" wire leads of 16 gauge black wire. Heavy Duty: Use with ATO® 25 and 30 amp fuses for air conditioner or other heavy duty applications. Supplied with two 4" wire leads of 12 gauge orange wire. FHA 30 includes 30 amp fuse.

Littelfuse 0FHA0001XPGLO ATO INLINE FUSEHOLDER SMART GLOW. The is molded from clear plastic allowing you to see…

UPC: 819562002106

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Overview

The Littelfuse ATO Inline Fuseholder with Smart Glow Technology (SKU: 0FHA0001XPGLO) represents a significant advancement in circuit protection, offering unparalleled ease of use and diagnostic capability for industrial and automotive applications. This innovative fuseholder is meticulously molded from a high-impact, clear plastic, enabling technicians and operators to visually inspect the fuse status at a glance without the need to open the protective cover. This feature drastically reduces diagnostic time and minimizes potential exposure to live circuits during routine checks. Engineered for exceptional versatility, the Littelfuse ATO Inline Fuseholder is designed for in-line circuit integration, making it an ideal solution for a wide array of electrical systems. It accommodates standard ATO® fuses, catering to both regular and heavy-duty circuit protection requirements. For regular duty applications, it is suitable for use with ATO® fuses ranging from 1 to 20 amps. These configurations are typically supplied with two 4-inch wire leads made of 16-gauge black wire, ensuring robust and reliable connections in moderate load environments. The clear housing allows for immediate identification of a blown fuse, indicated by the fuse's internal element. For more demanding applications, such as air conditioning units or other high-current systems, the heavy-duty version of this fuseholder is available. It is designed to accept ATO® fuses rated at 25 and 30 amps. These heavy-duty units are equipped with two 4-inch wire leads constructed from 12-gauge orange wire, providing enhanced current-carrying capacity and durability for strenuous operational conditions. The FHA 30 model specifically includes a 30-amp fuse, offering a complete solution for immediate deployment in high-demand circuits. The Smart Glow feature remains paramount across all variants, ensuring that fuse status is always readily apparent. Littelfuse is a globally recognized leader in circuit protection, and this inline fuseholder exemplifies their commitment to quality, reliability, and user-centric design. The precision molding ensures a secure fit and durable performance, even in challenging environmental conditions. Installation is straightforward, requiring simple wire splicing into the existing circuit. This product is essential for maintaining the integrity and safety of electrical systems in vehicles, industrial machinery, control panels, and various other electrical installations where reliable fuse monitoring and protection are critical. Its clear design not only aids in maintenance but also contributes to a more organized and easily understood electrical layout. Key Features and Benefits: * **Smart Glow Technology:** Instant visual fuse status verification without opening the cover. * **Versatile Application:** Suitable for both regular duty (1-20A) and heavy-duty (25-30A) ATO® fuse applications. * **Durable Construction:** Molded from high-impact clear plastic for longevity and visibility. * **Simplified Diagnostics:** Reduces troubleshooting time and potential circuit exposure. * **Reliable Connections:** Available with 16-gauge black wire (regular duty) or 12-gauge orange wire (heavy duty). * **Trusted Manufacturer:** From Littelfuse, a leader in circuit protection solutions. * **Easy In-line Installation:** Designed for seamless integration into existing wiring harnesses.
  • Innovative Smart Glow technology for instant visual fuse status inspection.
  • Clear plastic housing allows fuse condition to be seen without opening the cover.
  • Versatile in-line design for ATO® fuses, supporting 1-30 amp applications.
  • Available in regular duty (1-20A) with 16-gauge black wire leads.
  • Heavy-duty option (25-30A) includes 12-gauge orange wire leads for demanding circuits.

Specifications

Amperage Rating
1 A
Application
Automotive
Brand Name
Littelfuse
Color
Clear
Connection Type
Wire Leads
Current Rating
1-30 A
Material
Plastic
Series
ATO Inline Fuseholder
Sub Brand
ATO Fuses
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Frequently Asked Questions

What do Littelfuse voltage monitors protect against?

Voltage monitors provide protection against both supply line and load side faults when the motor is running.

How do arc-flash protection relays enhance safety?

These relays detect developing arc-flash incidents and send a trip signal to interrupt power before significant damage occurs.

What types of protection do Littelfuse motor protection relays offer?

They offer voltage monitors, current monitors, and Bluetooth-enhanced overload relays for low and medium voltage applications.

What is the purpose of Littelfuse Techline support?

Techline experts answer questions about product cross-references, general technical information, engineering drawings, and application assistance.

What types of fuses does Littelfuse offer for industrial applications?

Littelfuse offers UL Class fuses, high-speed fuses, medium voltage fuses, 10 x 38 mm fuses, and solar fuses for industrial applications.

What are Littelfuse high-speed fuses used for?

High-speed fuses protect critical power semiconductor devices against short circuits in power conversion applications like inverters and variable-speed drives.

What is the voltage range for Littelfuse solar fuses?

Littelfuse offers solar fuses and holders up to 1500 Vdc for both high-current and low-current applications.

What protection do feeder protection relays offer?

Feeder protection relays protect circuits from overcurrent, ground faults, phase loss, overload, and other detrimental conditions.

What is the Industrial Shock-Block® GFCI designed for?

It is designed for people protection in industrial facilities and meets UL Standard 943C Class C and Class D.

How do resistance grounding systems benefit industrial applications?

High-resistance grounding limits point-of-fault damage and eliminates arc-flash hazards and transit overvoltages associated with ground faults.

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.