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Littelfuse SPFI005 - 1000VDC INLINE MIDGET SOLAR FUSE

Littelfuse SPFI005 1000VDC INLINE MIDGET SOLAR FUSE

UPC: 079458809022


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Specification Sheet

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

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

Overview

Ensure the integrity and longevity of your solar energy systems with the Littelfuse SPFI005 1000VDC Inline Midget Solar Fuse. Engineered by Littelfuse, a globally recognized leader in circuit protection, this fuse is specifically designed to safeguard photovoltaic (PV) installations against damaging overcurrent events. The SPFI series represents Littelfuse's commitment to providing robust and reliable solutions for the demanding conditions inherent in solar power generation. This 1000VDC rated fuse is crucial for maintaining the operational efficiency and safety of solar arrays. In the event of a fault, such as a short circuit or ground fault, the SPFI005 will rapidly and reliably interrupt the excessive current flow. This swift action prevents thermal runaway, minimizes the risk of fire, and protects sensitive solar panels, inverters, and other balance-of-system components from irreparable damage. The inline midget form factor ensures a compact and easily integrated solution within solar string combiners, DC disconnects, and other critical points in the DC circuit. Key features and benefits of the Littelfuse SPFI005 include: * **High Voltage Rating:** Rated for 1000VDC, making it suitable for modern high-voltage solar arrays. * **Reliable Overcurrent Protection:** Designed to meet stringent industry standards for interrupting fault currents in PV systems. * **Compact Inline Design:** Facilitates straightforward installation and integration into existing or new solar power infrastructure. * **Durable Construction:** Built to withstand the harsh environmental conditions often encountered in outdoor solar installations, including UV exposure and temperature fluctuations. * **Trusted Manufacturer:** From Littelfuse, a brand synonymous with quality and dependability in circuit protection. Selecting the correct fuse is paramount for the safety and performance of any electrical system, and solar installations are no exception. The SPFI005 is an ideal choice for engineers, installers, and system designers who require a high-quality, purpose-built fuse for their 1000VDC solar applications. Its application extends across residential, commercial, and utility-scale solar projects where consistent and dependable protection is a non-negotiable requirement. By incorporating the Littelfuse SPFI005 into your solar system design, you are investing in the long-term reliability and safety of your renewable energy investment. Trust in Littelfuse's expertise to provide the critical circuit protection your solar power system deserves.
  • 1000VDC voltage rating for high-voltage solar applications
  • Reliable overcurrent and short-circuit protection for PV systems
  • Compact inline midget form factor for easy integration
  • Designed for harsh environmental conditions in solar installations
  • From Littelfuse, a trusted leader in circuit protection solutions

Specifications

Connection Type
Inline
Series
SPFI
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 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip

30323R

Fuse Block 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip
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

What is the voltage and amperage rating for the SPFI solar fuse?

The SPFI solar fuse has a voltage rating of 1000 V dc and amperage ratings ranging from 2 A to 30 A.

What is the interrupting rating of the SPFI solar fuse?

The SPFI solar fuse has an interrupting rating of 20,000 A.

What standards does the SPFI solar fuse meet?

The SPFI solar fuse meets UL 248-19 standards and is also recognized under UL 248-1 and IEC 60269-6.

What materials are used in the SPFI solar fuse construction?

The body of the SPFI solar fuse is made of Melamine, and the caps are made of Copper Alloy (Nickel Plated).

What is the recommended wire range for the SPFI solar fuse?

The SPFI solar fuse is suitable for 10-12 AWG copper wire, both solid and stranded.

What is the time constant for the SPFI solar fuse?

The time constant for the SPFI solar fuse is less than or equal to 1ms.

How can the SPFI solar fuse be electrically insulated?

The SPFI solar fuse can be electrically insulated by either overmolding or using heat-shrink.

What is the purpose of the one-piece cap design on the SPFI fuse?

The one-piece cap design offers easier wire crimping and a more streamlined molding process.

Does the SPFI solar fuse require a separate fuse holder?

No, the SPFI solar fuse does not require a separate fuse holder, which helps save space, time, and money.

What is the operating temperature range for derating the SPFI fuse?

The SPFI fuse can be derated across a temperature range from -60°C to 140°C (-76°F to 284°F).

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.