Littelfuse SPXV040 - 1500VDC PHOTOVOLTAIC FUSE
Littelfuse

SPXV040

UPC: 079458263732

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Overview

The Littelfuse SPXV040 1500VDC Photovoltaic Fuse stands as a critical component for safeguarding high-voltage direct current (DC) circuits within modern solar power installations. Engineered by Littelfuse, a globally recognized leader in circuit protection, this fuse is specifically designed to meet the demanding requirements of photovoltaic (PV) systems operating at up to 1500 volts DC. Its primary function is to provide robust overcurrent protection, acting as a vital failsafe against fault currents that could otherwise lead to catastrophic damage to expensive solar inverters, combiners, and other sensitive electrical equipment. In the rapidly expanding renewable energy sector, particularly in utility-scale solar farms and large commercial rooftop installations, the need for reliable and high-performance protection devices is paramount. The SPXV040 addresses this need by offering a precise and dependable means of interrupting fault conditions, thereby enhancing the overall safety, reliability, and longevity of the solar power system. Its 1500VDC rating is crucial for systems employing higher string voltages, which are becoming increasingly common to reduce system costs and improve efficiency. Key benefits and features of the Littelfuse SPXV040 include: * **Exceptional Overcurrent Protection:** Designed to swiftly and safely interrupt fault currents, preventing damage to critical system components. * **1500VDC Voltage Rating:** Ideal for high-voltage DC applications prevalent in modern large-scale solar arrays. * **Robust Construction:** Built to withstand the harsh environmental conditions often encountered in solar installations, ensuring long-term operational integrity. * **Industry Standard Compliance:** Manufactured to meet stringent industry standards for photovoltaic applications, providing peace of mind for installers and system owners. * **Enhanced System Safety and Reliability:** Contributes significantly to the overall safety and operational uptime of solar power generation systems. Selecting the correct photovoltaic fuse is a critical design consideration for solar engineers and system integrators. Factors such as the maximum system voltage, expected fault current levels, and the specific protection requirements of the equipment being guarded all play a role. The Littelfuse SPXV040, with its high voltage rating and proven performance, is a prime choice for applications where uncompromising protection is essential. Its application extends across various segments of the solar industry, including utility-scale solar power plants, commercial and industrial solar installations, and even large residential systems that utilize higher DC voltages. By incorporating the SPXV040 into their designs, professionals can ensure that their solar investments are protected against electrical anomalies, minimizing downtime and maximizing energy production. Trust in Littelfuse's extensive experience and commitment to quality for your most critical circuit protection needs in renewable energy.
  • 1500VDC rated photovoltaic fuse for high-voltage solar applications
  • Provides essential overcurrent protection for solar inverters and PV systems
  • Engineered for reliability and safety in demanding renewable energy environments
  • Robust construction ensures long-term performance in harsh conditions
  • Meets stringent industry standards for photovoltaic circuit protection

Specifications

Series
SPXV
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.