Littelfuse SPXI008 - 1500VDC INLINE MIDGET SOLAR FUSE
Littelfuse

SPXI008

UPC: 079458826609


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Overview

The Littelfuse SPXI008 1500VDC Inline Midget Solar Fuse is a high-performance circuit protection solution engineered specifically for solar power systems. Designed to safeguard critical components in renewable energy installations, this fuse delivers robust overcurrent protection while maintaining system efficiency and reliability. As part of Littelfuse's industry-leading portfolio of circuit protection devices, the SPXI008 meets the demanding requirements of modern solar arrays, inverters, and combiner boxes where space constraints and high-voltage DC systems are common. This inline midget fuse features a compact design that enables easy integration into tight installation spaces, making it ideal for residential rooftop systems, commercial solar farms, and utility-scale installations. Its 1500VDC rating ensures compatibility with high-voltage solar arrays, while the inline configuration allows for straightforward series connection in string inverter systems. Professionals in the solar industry trust Littelfuse for their circuit protection needs because the company has been at the forefront of electrical safety innovation for decades, with products installed in millions of installations worldwide. Key applications for the SPXI008 include DC string combiner boxes, inverter input protection, battery bank connections, and solar module string circuits. The fuse's midget form factor provides significant space savings compared to traditional fuse blocks while maintaining the same level of protection. When selecting fuses for solar applications, engineers and installers prioritize three critical factors: voltage rating compatibility with the system, interrupting rating sufficient for fault conditions, and physical size constraints of the installation environment. The SPXI008 addresses all three requirements with its 1500VDC rating and compact inline design. Installation considerations for the SPXI008 include proper wire sizing to match the fuse rating, secure mounting to prevent vibration loosening, and maintaining adequate clearance for serviceability. Littelfuse provides comprehensive technical documentation and support to ensure proper selection and installation of their solar protection products. The company's commitment to quality is evident in their adherence to international standards such as IEC 60269 and UL 2579 for solar fuses, providing installers with confidence in the product's performance and reliability. For solar professionals seeking a dependable, space-efficient fuse solution for high-voltage DC systems, the Littelfuse SPXI008 delivers exceptional value. Its combination of proven performance, compact design, and manufacturer reliability makes it an excellent choice for new installations and system upgrades alike. Whether protecting critical inverter components or safeguarding solar module strings, this fuse helps maintain system integrity and minimizes costly downtime due to overcurrent events. Trust Littelfuse's decades of circuit protection expertise to keep your solar installations operating safely and efficiently.
  • 1500VDC rating for high-voltage solar arrays
  • Compact inline midget design for space-constrained installations
  • Meets IEC 60269 and UL 2579 solar fuse standards
  • Ideal for string inverters, combiner boxes, and battery banks
  • Manufactured by Littelfuse, a leader in circuit protection technology

Specifications

Series
SPXI
Size
Midget
Voltage Rating
1500 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.