Littelfuse SPFI008 - 1000VDC INLINE MIDGET SOLAR FUSE
Littelfuse

SPFI008

UPC: 079458808575


Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Overview

The Littelfuse SPFI008 1000VDC Inline Midget Solar Fuse (SKU: SPFI008) is a critical component engineered for the demanding environment of modern photovoltaic (PV) energy systems. As solar installations continue to grow in scale and complexity, the need for reliable, high-voltage protection becomes paramount. This fuse is specifically designed to safeguard solar arrays, inverters, and charge controllers from damaging overcurrent and short-circuit events, ensuring the longevity and operational integrity of your solar investment. Littelfuse, a globally recognized leader in circuit protection, brings its extensive expertise to the SPFI008. This inline midget fuse is built to withstand the unique challenges presented by solar applications, including fluctuating temperatures, UV exposure, and high DC voltage levels. Its robust construction and adherence to stringent industry standards make it an indispensable choice for solar installers, system designers, and maintenance professionals who prioritize safety and performance. The primary function of the SPFI008 is to provide fast-acting overcurrent protection. In the event of a fault, such as a short circuit within a solar panel string or a wiring issue, the fuse element rapidly melts, interrupting the flow of current. This action prevents catastrophic damage to sensitive electronic components like inverters and charge controllers, as well as mitigating the risk of fire hazards. The 1000VDC rating is crucial for modern high-voltage solar systems, which are designed to maximize energy efficiency by operating at higher voltages. Key features and benefits of the Littelfuse SPFI008 include: * **High Voltage Capability:** Rated for 1000VDC, suitable for advanced solar system designs. * **Reliable Overcurrent Protection:** Effectively interrupts fault currents to protect equipment. * **Durable Construction:** Engineered to withstand harsh environmental conditions typical of outdoor solar installations. * **Compact Inline Design:** Facilitates easy integration into existing solar wiring harnesses and enclosures. * **Trusted Manufacturer:** Backed by Littelfuse's reputation for quality and innovation in circuit protection. Applications for the SPFI008 are widespread within the solar industry. It is commonly found protecting: * Individual solar panel strings. * DC combiners and junction boxes. * DC input and output of solar inverters. * Charge controllers in off-grid and hybrid solar systems. * Battery energy storage systems (BESS) integrated with solar. Selecting the correct fuse is a vital step in designing a safe and efficient solar system. The SPFI008's specifications are tailored to meet the rigorous demands of these applications, offering peace of mind to those responsible for the system's performance and safety. Its inline midget form factor ensures minimal space requirements, making it a practical choice for densely packed solar equipment. By choosing the Littelfuse SPFI008, you are investing in a proven solution that contributes to the overall reliability and safety of your solar energy infrastructure, ensuring consistent power generation and protecting your valuable assets from electrical faults.
  • 1000VDC rated for high-voltage solar applications
  • Inline midget fuse for compact integration
  • Provides reliable overcurrent and short-circuit protection
  • Engineered by Littelfuse for demanding PV environments
  • Essential for safeguarding solar panels, inverters, and charge controllers

Specifications

Connection Type
Inline
Series
SPFI Series
Size
Inline Midget
Voltage Rating
1000 Vdc
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in
POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

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.