Littelfuse SPF001HXR - The SPF Solar Protection Fuse series has been specifically designed for the protection of photovoltaic (PV) systems. This family of Midget style fuses (10 x 38 mm) can safely protect PV modules and conductors from reverseovercurrent conditions. As PV systems have grown in size, so have the corresponding voltage requirements. This increase in system voltage has typically been intended to minimize power loss associated with long conductor runs. Standard circuit protection devices are not designed to completely protect photovoltaic panels. However, the SPF series is UL Listed to safely interrupt faulted circuits up to this demanding voltage level. Littelfuse offers multiple ampere ratings to match specific requirements in a variety of applications.
Littelfuse

SPF001HXR

Alternate Item Number: 0SPF001.HXR

UPC: 079458169096

Documents & Media
BrochureTechnical BulletinTechnical DrawingSpecification SheetVideo Clip

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The Littelfuse SPF001HXR Solar Protection Fuse (SKU: SPF001HXR) represents a critical component in the robust protection of modern photovoltaic (PV) systems. Engineered by Littelfuse, a recognized leader in circuit protection, this Midget-style fuse, measuring 10 x 38 mm, is specifically designed to safeguard PV modules and associated conductors from the damaging effects of reverse overcurrent conditions. As the scale and voltage requirements of solar energy installations continue to escalate, driven by the need to minimize power loss over long conductor runs, standard circuit protection devices often prove inadequate. The SPF series directly addresses this industry challenge. This specialized fuse family is UL Listed, a testament to its capability to safely interrupt faulted circuits even at the demanding high voltage levels encountered in contemporary PV systems. This certification ensures that installations meet stringent safety and performance standards. Littelfuse offers a comprehensive range of ampere ratings within the SPF series, allowing for precise matching to the unique requirements of diverse solar applications, from residential arrays to large-scale commercial and utility-grade solar farms. The ability to select the exact ampere rating is crucial for optimizing protection without compromising system efficiency. Key benefits and features of the Littelfuse SPF001HXR include: * **Specialized PV System Protection:** Designed exclusively for photovoltaic applications, ensuring optimal performance and safety. * **Reverse Overcurrent Mitigation:** Effectively protects against fault currents flowing backward through PV modules. * **High Voltage Capability:** UL Listed to safely interrupt circuits at elevated voltages common in modern PV systems. * **Midget Fuse Form Factor:** Standard 10 x 38 mm dimensions ensure compatibility with many existing fuse holders and equipment. * **Multiple Ampere Ratings:** Available in various current ratings to suit specific system designs and protection needs. * **Reduced Power Loss:** Contributes to system efficiency by enabling longer conductor runs with minimized voltage drop. Professionals in the solar industry rely on Littelfuse for dependable circuit protection solutions. The SPF001HXR is an integral part of this commitment, providing peace of mind and ensuring the longevity and operational integrity of solar energy investments. Its application extends to protecting DC combiners, inverters, and other critical points within the PV system architecture where overcurrent events could lead to significant damage or downtime. Choosing the correct fuse rating is paramount; installers and system designers must consult PV system specifications and relevant electrical codes to determine the appropriate ampere rating for each protection point, ensuring that the fuse operates reliably under normal conditions while providing swift interruption during fault events. The Littelfuse SPF001HXR stands as a testament to advanced engineering for the renewable energy sector.
  • Specifically designed for photovoltaic (PV) system protection.
  • Safely protects PV modules and conductors from reverse overcurrent conditions.
  • UL Listed for high-voltage applications, meeting demanding PV system requirements.
  • Midget style fuse (10 x 38 mm) for broad compatibility.
  • Available in multiple ampere ratings to match specific application needs.

Specifications

Application
1000 VDC PV
Brand Name
Littelfuse
Series
SPF Solar Protection Fuse
Series
SPF
Size
10 x 38 mm
Special Features
Solar
Standard
UL 2579 IEC 60269-6
Sub Brand
SPF Series
Type
Full Range

Similar Products

SPF001H

SPF002HXR

SPF003HXR

Current Rating: 3 A

SPF004HXR

SPF005HXR

Voltage Rating: High voltage (PV system levels)

SPF006HXR

You May Also Be Interested In

The SPF Solar Protection Fuse series has been specifically designed for the protection of photovoltaic (PV) systems. This family of Midget style fuses (10 x 38 mm) can safely protect PV modules and conductors from reverseovercurrent conditions. As PV systems have grown in size, so have the corresponding voltage requirements. This increase in system voltage has typically been intended to minimize power loss associated with long conductor runs. Standard circuit protection devices are not designed to completely protect photovoltaic panels. However, the SPF series is UL Listed to safely interrupt faulted circuits up to this demanding voltage level. Littelfuse offers multiple ampere ratings to match specific requirements in a variety of applications.

SPF005HXR

The SPF Solar Protection Fuse series has been specifically designed for the protection of photovoltaic (PV) systems. This family of Midget style fuses (10 x 38 mm) can safely protect PV modules and conductors from reverseovercurrent conditions. As PV systems have grown in size, so have the corresponding voltage requirements. This increase in system voltage has typically been intended to minimize power loss associated with long conductor runs. Standard circuit protection devices are not designed to completely protect photovoltaic panels. However, the SPF series is UL Listed to safely interrupt faulted circuits up to this demanding voltage level. Littelfuse offers multiple ampere ratings to match specific requirements in a variety of applications.

SPF003HXR

The SPF Solar Protection Fuse series has been specifically designed for the protection of photovoltaic (PV) systems. This family of Midget style fuses (10 x 38 mm) can safely protect PV modules and conductors from reverseovercurrent conditions. As PV systems have grown in size, so have the corresponding voltage requirements. This increase in system voltage has typically been intended to minimize power loss associated with long conductor runs. Standard circuit protection devices are not designed to completely protect photovoltaic panels. However, the SPF series is UL Listed to safely interrupt faulted circuits up to this demanding voltage level. Littelfuse offers multiple ampere ratings to match specific requirements in a variety of applications.

SPF010HXR

The SPF Solar Protection Fuse series has been specifically designed for the protection of photovoltaic (PV) systems. This family of Midget style fuses (10 x 38 mm) can safely protect PV modules and conductors from reverseovercurrent conditions. As PV systems have grown in size, so have the corresponding voltage requirements. This increase in system voltage has typically been intended to minimize power loss associated with long conductor runs. Standard circuit protection devices are not designed to completely protect photovoltaic panels. However, the SPF series is UL Listed to safely interrupt faulted circuits up to this demanding voltage level. Littelfuse offers multiple ampere ratings to match specific requirements in a variety of applications.

SPF002HXR

The SPF Solar Protection Fuse series has been specifically designed for the protection of photovoltaic (PV) systems. This family of Midget style fuses (10 x 38 mm) can safely protect PV modules and conductors from reverseovercurrent conditions. As PV systems have grown in size, so have the corresponding voltage requirements. This increase in system voltage has typically been intended to minimize power loss associated with long conductor runs. Standard circuit protection devices are not designed to completely protect photovoltaic panels. However, the SPF series is UL Listed to safely interrupt faulted circuits up to this demanding voltage level. Littelfuse offers multiple ampere ratings to match specific requirements in a variety of applications.

SPF020HXR

Frequently Asked Questions

What technical support resources does Littelfuse offer?

Littelfuse offers a Techline with technical experts who can provide product cross references, general technical information, engineering drawings, and application assistance. They can be contacted at +1-800-TEC-FUSE or [email protected].

How can I access Littelfuse product information and sales tools?

Littelfuse provides multiple digital resources including Littelfuse University for training, a digital asset portal for marketing materials, RepFiles mobile app for product information, and the Littelfuse Business Center website for product availability, pricing, and ordering.

What types of industrial protection products does Littelfuse offer?

Littelfuse provides a wide range of industrial protection products including fuses, fuse holders, protection relays, motor protection devices, ground-fault protection relays, arc-flash protection relays, and pump protection controllers.

What marketing support does Littelfuse provide to distributors?

Littelfuse offers a Marketing to Marketing program that includes co-branded email campaigns, content sharing, marketing tool training, product launch support, and website linking. The program is free and aims to help distributors grow sales.

How can distributors participate in Littelfuse's promotional programs?

Distributors can access Promotional Allowance Programs for demand generation campaigns, sales incentives, joint email campaigns, trade shows, and other brand awareness activities. Activities must be pre-approved at least 30 days in advance.

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.