Littelfuse LFJ102001STST - The LFJ1000 solar fuse block is specifically designed for the Littelfuse SPFJ 1000 Vdc Solar Fuse. It meets UL electrical characteristic requirements and is available in multiple amperages.
Littelfuse

LFJ102001STST

Alternate Item Number: LFJ102001STST

UPC: 079458950267


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Overview

The Littelfuse LFJ1000 Solar Fuse Block (SKU: LFJ1000STST) is a critical component engineered for the robust demands of modern solar power systems. Specifically designed to house the Littelfuse SPFJ 1000 Vdc Solar Fuse, this fuse block ensures the integrity and safety of photovoltaic installations by providing reliable overcurrent protection. Its construction adheres to stringent UL electrical characteristic requirements, guaranteeing compliance and peace of mind for installers and system owners alike. This high-performance fuse block is available in a range of amperages, offering the flexibility needed to accommodate diverse solar array configurations and inverter specifications. Whether for residential rooftop systems, commercial solar farms, or large-scale utility projects, the LFJ1000 provides a tailored protection solution. Its primary function is to safeguard sensitive solar components, such as PV modules and inverters, from damaging surges and faults, thereby extending equipment lifespan and minimizing downtime. The Littelfuse LFJ1000 is built with durability and operational efficiency in mind. Its design facilitates straightforward installation and secure connection, crucial for maintaining the high-voltage DC circuits characteristic of solar energy generation. Professionals in the solar industry rely on Littelfuse for their unwavering commitment to quality and innovation in circuit protection. This fuse block exemplifies that dedication, offering a dependable means to manage electrical faults and maintain system stability. Key features and benefits of the Littelfuse LFJ1000 Solar Fuse Block include: * **Optimized for SPFJ 1000 Vdc Solar Fuses:** Ensures perfect compatibility and performance with Littelfuse's dedicated solar fuse series. * **UL Electrical Characteristic Compliance:** Meets critical safety and performance standards for solar applications. * **1000 Vdc Voltage Rating:** Designed for the high-voltage DC environments found in modern solar power systems. * **Multiple Amperage Options:** Provides versatility to match specific system protection requirements. * **Robust Construction:** Built to withstand the environmental conditions often associated with solar installations. * **Enhanced System Safety:** Protects valuable solar equipment from overcurrent events, preventing damage and potential fire hazards. * **Reliable Circuit Protection:** A cornerstone for maintaining the operational integrity and longevity of solar arrays and associated electronics. When selecting components for a solar power system, choosing a fuse block that is specifically designed for the application and manufactured by a trusted leader like Littelfuse is paramount. The LFJ1000 represents an investment in the long-term reliability and safety of your solar energy infrastructure. Its UNSPSC code is 39121629, further categorizing its role within electrical distribution and protection systems.
  • Specifically designed for Littelfuse SPFJ 1000 Vdc Solar Fuses
  • Meets UL electrical characteristic requirements for safety and performance
  • Rated for 1000 Vdc, ideal for high-voltage solar applications
  • Available in multiple amperages to suit diverse system needs
  • Ensures reliable overcurrent protection for solar arrays and inverters

Specifications

Brand Name
Littelfuse
Special Features
Space-saving DIN Rail Indication
Standard
UL Listed CSA Certified
Sub Brand
LF Series Fuseblock
Type
Class J Fuseblock
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
The LFJ1000 solar fuse block is specifically designed for the Littelfuse SPFJ 1000 Vdc Solar Fuse. It meets UL electrical characteristic requirements and is available in multiple amperages.

LFJ102001C

The LFJ1000 solar fuse block is specifically designed for the Littelfuse SPFJ 1000 Vdc Solar Fuse. It meets UL electrical characteristic requirements and is available in multiple amperages.
D4/8.SFT2.I.ADO

1SNA399777R1200

D4/8.SFT2.I.ADO

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.