Littelfuse SPXI015 - 1500VDC INLINE MIDGET SOLAR FUSE
Littelfuse

SPXI015

UPC: 079458826661


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Overview

The Littelfuse SPXI015 1500VDC Inline Midget Solar Fuse is a critical component engineered to provide robust overcurrent protection for high-voltage direct current (HVDC) solar power systems. Designed to meet the stringent demands of modern photovoltaic installations, this fuse ensures the safety, reliability, and longevity of solar arrays and associated equipment. Its primary function is to rapidly interrupt fault currents, thereby preventing damage to sensitive solar inverters, combiners, and other electrical components from surges and short circuits. In the rapidly expanding solar energy sector, system voltages are continuously increasing to enhance efficiency and reduce installation costs. The SPXI015 is specifically designed for these advanced 1500VDC systems, offering a crucial layer of protection where standard fuses would be inadequate. Its inline midget form factor allows for convenient integration into existing or new solar string designs, facilitating straightforward installation and maintenance. This fuse is built to withstand the harsh environmental conditions often encountered in solar installations, including wide temperature fluctuations, humidity, and UV exposure, ensuring consistent performance over its operational lifespan. Key features and benefits of the Littelfuse SPXI015 include: * **High Voltage Rating:** Rated for 1500VDC, making it suitable for the highest voltage solar applications. * **Reliable Overcurrent Protection:** Effectively safeguards against damaging fault currents, protecting valuable solar equipment. * **Compact Inline Design:** Facilitates easy integration into solar strings and combiners, saving space. * **Durable Construction:** Engineered for longevity in demanding outdoor environments. * **Trusted Manufacturer:** Littelfuse is a globally recognized leader in circuit protection, known for quality and innovation. This fuse is indispensable for solar project developers, installers, and maintenance professionals who prioritize system integrity and safety. By employing the SPXI015, stakeholders can significantly mitigate the risks associated with electrical faults, ensuring uninterrupted power generation and a secure investment in renewable energy. The Littelfuse SPXI015 represents a commitment to advanced circuit protection, enabling the continued growth and reliability of solar energy infrastructure worldwide. Its application extends across utility-scale solar farms, commercial rooftop installations, and residential solar systems where high voltage DC protection is paramount. Choosing Littelfuse means selecting a partner dedicated to providing dependable solutions for the evolving needs of the renewable energy industry.
  • 1500VDC voltage rating for high-voltage solar applications
  • Inline midget form factor for easy integration
  • Provides essential overcurrent protection for solar power systems
  • Engineered for reliability and performance in demanding environments
  • Trusted circuit protection from Littelfuse

Specifications

Series
SPXI
Size
Inline Midget
Voltage Rating
1500 VDC

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.