Littelfuse SPXV035 - 1500VDC PHOTOVOLTAIC FUSE
Littelfuse

SPXV035

UPC: 079458263725


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Specification Sheet

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Overview

The **Littelfuse SPXV035 1500VDC Photovoltaic Fuse** is a high-performance circuit protection solution engineered to safeguard solar energy systems against overcurrent and fault conditions. Designed for photovoltaic (PV) applications, this fuse delivers reliable performance in both grid-tied and off-grid solar installations, including utility-scale solar farms, commercial rooftop systems, and residential PV arrays. As a critical component in DC circuit protection, the SPXV035 ensures the longevity and safety of solar inverters, combiner boxes, and other sensitive equipment by interrupting fault currents with precision and speed. **Key Features and Benefits:** - **High Voltage Rating (1500VDC):** Engineered to handle the demanding DC voltage levels typical in large-scale solar installations, the SPXV035 provides robust protection against transient overvoltages and sustained fault conditions. This high-voltage capability makes it ideal for systems with multiple solar panels connected in series, where voltage levels can exceed 1000VDC. - **Photovoltaic-Specific Design:** Unlike standard fuses, the SPXV035 is optimized for PV applications, featuring a fast-acting response to minimize energy loss during fault events. Its design accounts for the unique electrical characteristics of solar arrays, including high inrush currents during startup and varying load conditions throughout the day. - **Durable Construction for Harsh Environments:** Built to withstand extreme temperatures, UV exposure, and moisture ingress, the SPXV035 is constructed from high-quality materials that ensure long-term reliability in outdoor installations. This durability is essential for solar projects exposed to fluctuating weather conditions, from desert climates to coastal regions with high humidity. - **Compliance with Industry Standards:** The SPXV035 meets rigorous international standards for photovoltaic fuses, including **IEC 60269-6** and **UL 2579**, ensuring compatibility with global solar installations. Its compliance with these standards provides peace of mind for engineers and installers who require certified protection solutions for their projects. - **Easy Installation and Maintenance:** Designed for compatibility with standard PV fuse holders and disconnect switches, the SPXV035 simplifies installation and replacement in both new and retrofit applications. Its compact form factor allows for efficient use of space in combiner boxes and inverter enclosures, reducing system complexity. **Typical Applications:** The SPXV035 is widely used in a variety of solar energy systems, including: - **Utility-Scale Solar Farms:** Protecting large arrays of solar panels connected in series or parallel configurations, where high DC voltages and fault currents are common. - **Commercial and Industrial PV Systems:** Safeguarding rooftop installations on warehouses, office buildings, and manufacturing facilities, where reliability and compliance with local electrical codes are critical. - **Residential Solar Arrays:** Providing essential protection for home PV systems, ensuring safe operation and compliance with residential electrical standards. - **Off-Grid and Hybrid Systems:** Supporting standalone solar power systems, such as those used in remote locations or in conjunction with battery storage, where fault protection is essential for system integrity. **Why Choose Littelfuse for Photovoltaic Protection?** Littelfuse is a global leader in circuit protection solutions, with over a century of innovation and expertise in safeguarding electrical systems. The company’s photovoltaic fuses, including the SPXV035, are trusted by solar industry professionals for their reliability, precision, and adherence to stringent safety standards. By choosing Littelfuse, engineers and installers gain access to a partner with deep technical knowledge, comprehensive product testing, and a commitment to advancing solar energy safety. Whether for a small residential system or a massive utility-scale project, Littelfuse provides the protection solutions needed to ensure long-term performance and safety in solar installations.
  • 1500VDC high-voltage rating for large-scale solar arrays
  • Fast-acting response to minimize energy loss during faults
  • Durable construction for extreme outdoor environments
  • Compliant with IEC 60269-6 and UL 2579 standards
  • Easy installation with standard PV fuse holders

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.