Littelfuse LEXJJ - The Littelfuse 600 V in-line watertight fuse holders are the ideal answer for all high humidity and corrosive environments where fuses are required. Available in both breakaway and non-breakaway, single and double pole versions, these fuse holders allow maximum flexibility for any application.
Littelfuse

LEXJJ

Alternate Item Number: 0LEX00JJX

UPC: 079458020830

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Overview

The Littelfuse LEXJJ Series 600V in-line watertight fuse holders (SKU: LEXJJ) provide essential circuit protection for high humidity and corrosive industrial environments. Engineered for maximum flexibility, these fuse holders are available in both breakaway and non-breakaway configurations, as well as single and double pole versions, catering to diverse application needs. Their robust construction ensures reliable performance and longevity, minimizing downtime and maintenance costs in demanding settings such as outdoor installations, marine environments, and corrosive industrial facilities. The watertight design is critical for maintaining electrical integrity where moisture ingress is a significant concern. These fuse holders are designed to house Class CC and Midget-Style fuses, offering dependable protection for personnel. The Littelfuse POWR-SAFE Dead Front holders, part of this series, incorporate enhanced safety features. For specific high voltage DC protection requirements, consider related Littelfuse products like the LPHV002 midget fuse holder, rated for 1000 V dc fuses up to 30A and constructed from durable thermoplastic. Ensure your critical electrical systems are safeguarded with Littelfuse's advanced fuse holder technology. Other Littelfuse fuse holder series include the JCASE® In-line Cartridge (FHJC and FHJ Series) for JCASE® fuses, Glass Fuse In-line Twist-Lock (FNY Series) made from weather-resistant nylon, and Glass Fuse In-line Bayonet Knob (FHP Series) constructed from tough black thermoset (UL94V0). Additionally, the MINI Inline Fuseholder (0FHM0002SXJ and 0FHM0001SXJ) offers 32V waterproof protection for MINI® fuses, with regular duty (2-20A) and heavy duty (25-30A) options, featuring 4-inch wire leads and a protective cover for harsh environments. The MAHC Series in-line fuse holders are designed for MAXI fuse applications up to 60A with IP67 ingress protection.
  • Designed for high humidity and corrosive environments
  • Available in breakaway and non-breakaway versions
  • Single and double pole configurations for application flexibility
  • Houses Class CC and Midget-Style fuses for reliable protection
  • Watertight design ensures electrical integrity in moist conditions

Specifications

Application
Street Lighting
Brand Name
Littelfuse
Connection Type
In-Line
IP Rating
IP67
Material
Thermoplastic
Poles
Single/Double Pole
Poles
Single/Double
Series
LEXJJ
Series
LEXJJ Series
Special Features
Watertight
Sub Brand
LEX Series
Type
Fuseholder
Voltage Rating
600 V
The Littelfuse 600 V in-line watertight fuse holders are the ideal answer for all high humidity and corrosive environments where fuses are required. Available in both breakaway and non-breakaway, single and double pole versions, these fuse holders allow maximum flexibility for any application.

LEXBB

The Littelfuse 600 V in-line watertight fuse holders are the ideal answer for all high humidity and corrosive environments where fuses are required. Available in both breakaway and non-breakaway, single and double pole versions, these fuse holders allow maximum flexibility for any application.
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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.