Authorized Littelfuse Distributor
Littelfuse FHAC0001SXJ - ATO INLINE FUSEHOLDER 20A,32V WATERPROOF. The Molded Fuseholder is a versatile fuseholder for in-line applications. Standard Duty: Use with ATO® Fuse 1 to 20 amps. Supplied with two 3.5" wire leads of 16 gauge black wire. Includes protective cover for harsh environments. Heavy Duty: Use with ATO® 25 and 30 amp fuses for air conditioner or other heavy duty applications. Supplied with two 3.5" wire leads of 12 gauge orange wire. Includes protective cover for harsh environments.

Littelfuse FHAC0001SXJ ATO INLINE FUSEHOLDER 20A,32V WATERPROOF. The Molded Fuseholder is a versatile…

UPC: 079458166231


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Minimum Qty: 20

Multiplier: 20

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Littelfuse FHAC0001SXJ ATO Inline Fuseholder is a molded, waterproof blade fuse holder designed for reliable circuit protection in automotive, marine, and industrial applications. This inline fuseholder supports ATO® blade fuses from 1A to 20A for standard-duty applications, with a 32VDC voltage rating ideal for low-voltage DC circuits. Supplied with two 4-inch wire leads of 16-gauge black wire, it ensures secure and efficient connections for in-line installations. The molded design provides resilience against environmental factors, including moisture and dust, meeting IP67 standards for waterproof and dust-tight operation. Engineered for versatility, the FHAC0001SXJ accommodates ATO® fuse sizes 1-20A, making it ideal for protecting sensitive electronics, accessory lighting, panel displays, and industrial equipment. The heat-resistant thermoplastic fuse holder body has a UL 94 V-0 flammability rating, ensuring safety in high-temperature environments. Tin-plated copper alloy contacts provide corrosion resistance, extending service life in harsh conditions. Key specifications include a 32VDC rating, inline connection type, and 4-inch wire leads for easy integration into existing systems. The black 16 AWG wire leads offer flexibility and durability, while the built-in protective cover enhances suitability for outdoor, marine, or industrial settings. Unlike heavy-duty variants (e.g., 25-30 amp configurations with 12-gauge orange wire), this model is optimized for standard-duty applications where precise current management is critical. Applications include accessory lighting, panel displays, air conditioners, and blower motors. The fuseholder’s IP67-rated enclosure ensures reliable performance in challenging operational conditions, providing long-term protection for systems requiring dependable overcurrent safeguards.
  • Supports ATO® blade fuses from 1A to 20A for standard-duty applications
  • Rated 32VDC with IP67 waterproof and dust-tight protection
  • Includes two 4-inch 16AWG black wire leads for inline installation
  • Heat-resistant thermoplastic body with UL 94 V-0 flammability rating
  • Tin-plated copper alloy contacts for corrosion resistance

Specifications

Application
Automotive
Brand Name
Littelfuse
Color
Black
Connection Type
Inline Wiring
Connection Type
Wire Leads (16 AWG)
Current Rating
20 A
IP Rating
IP67
Material
Molded Plastic
Material
Poly
Series
ATO
Size
3.5" wire leads
Size
ATO
Special Features
Splashproof
Sub Brand
FHAC Series
Type
Fuseholder
Voltage Rating
32 V
Package Dimensions (L x W x H)
3 IN x 1 IN x 4 IN
Package Dimensions (L x W x H)
7.62 cm x 25.4 mm x 10.16 cm
Package Weight (Imperial)
0.250 L
Package Weight (Metric)
0.113 kg
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Frequently Asked Questions

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.

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 applications are 10 x 38 mm fuses suitable for?

These fuses provide compact supplemental protection for a wide variety of applications, available in time-delay or fast-acting versions.

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.