Littelfuse SPXI006.LXMCN - The Littelfuse SPXI solar fuse is designed to integrate into an in-line assembly within a wire harness. The fuse provides photovoltaic (PV) protection that meets UL 248-19 for photovoltaic applications. The SPXI can be electrically insulated by either overmolding or using heat-shrink.
Littelfuse

SPXI006.LXMCN

Alternate Item Number: SPXI006.LXMCN

UPC: 079458382525


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Overview

The Littelfuse SPXI Series In-Line Solar Fuse (SKU: SPXI006.LXMCN) is engineered for robust protection of photovoltaic (PV) systems. Designed for seamless integration into wire harnesses, this fuse offers a compact solution for high-capacity PV applications, including homerun, trunk, and general wire harness protection. It meets stringent UL 248-19 standards for photovoltaic applications, ensuring reliable performance and safety. The SPXI fuse boasts a high voltage rating of 1500 V dc and is available in a comprehensive range of amperage ratings from 1 A to 60 A, accommodating diverse system requirements. Key features include a high interrupting rating of up to 50,000 A, providing critical overcurrent protection. Its one-piece cap design simplifies wire crimping and facilitates streamlined overmolding or heat-shrink insulation, eliminating the need for a separate fuse holder, thereby saving valuable space, time, and cost. Constructed with a melamine body and nickel-plated copper alloy caps, the SPXI fuse is built for durability and electrical integrity. It is RoHS Compliant and REACH registered, reflecting a commitment to environmental standards. Approvals include UL Recognized (File: E339112) and TUV certification (Cert: J 50495785), underscoring its adherence to international safety benchmarks. The fuse's low time constant of ≤ 1ms ensures rapid response to fault conditions. Littelfuse provides recommended crimping tools for various wire gauges (10-12 AWG, 8 AWG, 6 AWG) to ensure proper installation and optimal performance. Manufactured in Mexico, the SPXI Series fuse is a dependable component for modern solar energy infrastructure.
  • Designed for photovoltaic (PV) system protection
  • Integrates into in-line wire harness assemblies
  • 1500 V dc voltage rating
  • Amperage ratings from 1 A to 60 A
  • UL 248-19 compliant with 50,000 A interrupting rating
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

What is the maximum voltage rating for the Littelfuse SPXI solar fuse?

The Littelfuse SPXI solar fuse has a maximum voltage rating of 1500 V dc.

What amperage ratings are available for the SPXI solar fuse series?

The SPXI solar fuse series is available in amperage ratings from 1 A to 60 A.

How can the SPXI solar fuse be electrically insulated?

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

What materials are used in the construction of the SPXI solar fuse?

The SPXI solar fuse features a melamine body and nickel-plated copper alloy caps.

Where is the Littelfuse SPXI solar fuse manufactured?

The Littelfuse SPXI solar fuse is manufactured in Mexico.

What standards does the Littelfuse SPXI solar fuse comply with?

The Littelfuse SPXI solar fuse complies with UL 248-19 for photovoltaic applications and IEC 60269-6 (electrically only). It is also UL Recognized.

What is the interrupting rating of the SPXI solar fuse?

The SPXI solar fuse series offers an interrupting rating of up to 50,000 A, with specific ratings varying by amperage range.

Does the SPXI solar fuse require a separate fuse holder?

No, the SPXI solar fuse is designed to integrate directly into a wire harness and does not require a separate fuse holder, saving space and cost.

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.