Littelfuse SPXI015L - 1500VDC INLINE MIDGET SOLAR FUSE BULK 50-PACK
Littelfuse

SPXI015L

UPC: 079458826678


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Specification Sheet

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Minimum Qty: 50

Multiplier: 50

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Overview

The **Littelfuse SPXI015L 1500VDC Inline Midget Solar Fuse Bulk 50-Pack** delivers unmatched overcurrent protection for photovoltaic (PV) systems, ensuring long-term reliability and safety in renewable energy installations. Designed for high-voltage DC applications, these fuses are engineered to meet the rigorous demands of solar power systems, where consistent performance and durability are critical. As a trusted solution from Littelfuse—a global leader in circuit protection—the SPXI015L is built to withstand extreme environmental conditions, including temperature fluctuations, UV exposure, and high humidity, making it ideal for outdoor solar arrays, rooftop installations, and utility-scale projects. **Key Features and Benefits:** - **High Voltage Rating (1500VDC):** Compatible with high-voltage PV systems, ensuring safe operation in grid-tied and off-grid solar applications. These fuses are specifically rated for DC systems, where AC-rated fuses may fail to provide adequate protection. - **Inline Midget Design:** The compact, space-saving form factor allows for easy integration into tight enclosures, junction boxes, and combiner boxes. This design minimizes wiring complexity while maintaining robust protection against overcurrent events. - **Bulk 50-Pack Configuration:** Cost-effective bulk packaging reduces per-unit costs and simplifies inventory management for solar installers, OEMs, and maintenance teams. The bulk format ensures availability for large-scale deployments without frequent reordering. - **Reliable Arc Suppression:** Engineered with advanced arc-quenching technology, the SPXI015L minimizes the risk of electrical fires and equipment damage during fault conditions. This is particularly critical in solar applications, where DC arcs can be persistent and hazardous. - **Wide Temperature Range:** Tested to operate reliably across a broad temperature spectrum, from extreme cold to high heat, ensuring consistent performance in diverse climates. **Typical Applications:** The SPXI015L is widely used in **solar inverters, charge controllers, battery management systems, and PV string combiners**, where DC overcurrent protection is essential. It is particularly well-suited for: - **Residential and commercial solar installations**, including rooftop and ground-mount systems. - **Utility-scale solar farms**, where high-voltage DC protection is required for string inverters and central inverters. - **Off-grid and hybrid solar systems**, including those paired with battery storage for energy resilience. - **Solar-powered water pumps, telecom sites, and remote monitoring stations**, where reliability and durability are paramount. **Why Choose Littelfuse?** Littelfuse has been a pioneer in circuit protection for over a century, earning a reputation for innovation, quality, and reliability. The company’s solar fuses, including the SPXI015L, are designed in collaboration with industry experts to meet the evolving needs of the renewable energy sector. With certifications from organizations like **UL, IEC, and TUV**, these fuses comply with international safety standards, ensuring peace of mind for installers and end-users alike. Whether you’re protecting a small residential array or a large-scale solar farm, Littelfuse provides the expertise and products to keep your system safe and operational. **Installation and Maintenance Considerations:** Proper installation is critical to maximizing the performance of the SPXI015L. Professionals recommend: - **Following manufacturer guidelines** for fuse sizing, placement, and wiring to ensure optimal protection. - **Using appropriate fuse holders** designed for inline midget fuses to maintain electrical integrity and ease of replacement. - **Regularly inspecting fuses** during routine maintenance to detect signs of wear, corrosion, or damage. - **Ensuring proper torque** when installing fuses to prevent loose connections, which can lead to overheating or arcing. For solar installers and system designers, the **Littelfuse SPXI015L 1500VDC Inline Midget Solar Fuse Bulk 50-Pack** is a dependable choice that balances performance, cost, and reliability. Trust Littelfuse to safeguard your solar investments with industry-leading circuit protection solutions.
  • 1500VDC high-voltage rating for PV systems
  • Inline midget design for compact installations
  • Bulk 50-pack for cost-effective inventory management
  • Advanced arc suppression for enhanced safety
  • Wide temperature range for diverse climates

Specifications

Connection Type
Inline
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 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
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

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.