Littelfuse LFJ60030-3SID - The Littelfuse 600 V Class J blocks offer generous space savings and enhanced value over previous generations, such as indication, snap-to-release DIN-rail mounting and universal mounting holes.
Littelfuse

LFJ60030-3SID

Alternate Item Number: LFJ600303SID

UPC: 079458181845

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Overview

The Littelfuse LFJ60030-3SID 600V Class J fuse block represents a significant advancement in industrial power protection, offering superior space savings and enhanced value compared to previous generations. Designed for demanding industrial environments, this fuse block integrates critical features that streamline installation, improve operational efficiency, and ensure robust circuit protection. Its 600V rating makes it suitable for a wide range of medium-voltage applications, while the Class J fuse compatibility ensures adherence to industry standards for high-interrupting capacity protection. The LFJ60030-3SID is engineered with the modern industrial control panel in mind. A key benefit is its snap-to-release DIN-rail mounting capability, which dramatically simplifies and accelerates installation and removal. This feature is invaluable in applications requiring frequent maintenance or reconfiguration, reducing downtime and labor costs. Furthermore, the inclusion of universal mounting holes provides exceptional installation flexibility, allowing the fuse block to be securely mounted in various configurations, accommodating diverse panel layouts and existing infrastructure. Space efficiency is a paramount concern in industrial settings, and the LFJ60030-3SID excels in this regard. Its compact design offers generous space savings, enabling engineers to design more densely packed control panels without compromising safety or accessibility. This is particularly beneficial in applications where panel real estate is at a premium, such as in complex machinery, automated manufacturing lines, and distributed power distribution systems. Key features and benefits of the Littelfuse LFJ60030-3SID include: * **600V Class J Compatibility:** Ensures reliable protection for circuits requiring high interrupting ratings and adherence to industry safety standards. * **Snap-to-Release DIN-rail Mounting:** Facilitates quick, secure, and tool-less installation and removal, minimizing downtime. * **Universal Mounting Holes:** Offers versatile mounting options for seamless integration into various panel designs. * **Generous Space Savings:** Compact footprint allows for more efficient use of panel space, ideal for dense applications. * **Enhanced Value:** Combines multiple features for improved functionality and cost-effectiveness. This fuse block is an ideal solution for industrial control panels, motor control centers, power distribution units, and machinery requiring dependable overcurrent protection. Its robust construction and Littelfuse's reputation for quality and durability ensure long-term performance and reliability in harsh industrial conditions. By choosing the Littelfuse LFJ60030-3SID, engineers and technicians can be confident in implementing a safe, efficient, and space-saving circuit protection solution that meets rigorous industry demands.
  • 600V Class J fuse block for robust industrial protection
  • Snap-to-release DIN-rail mounting for quick installation
  • Universal mounting holes for flexible panel integration
  • Compact design offers significant space savings
  • Enhanced value and performance over previous generations

Specifications

Brand Name
Littelfuse
Mounting Type
DIN-Rail
Series
LFJ60030-3SID
Special Features
Space-saving DIN Rail Indication
Standard
UL Listed CSA Certified
Sub Brand
LF Series Fuseblock
Type
Class J Fuseblock
Voltage Rating
600 V
The Mersen FBC60J100 is a Generation 2 open-style Class J fuse block designed to accommodate Class J fuses from 0-100A at 600V. This model offers versatile connection options, including screw, pressure plate, and box connectors, compatible with a wide range of stranded or solid wire. Engineered for modern industrial applications, these Gen2 fuse blocks feature a more compact design compared to traditional offerings and are DIN-rail mountable for efficient panel assembly. The dovetail nesting capability allows for easy multipole field assembly, simplifying configuration. When paired with Mersen’s newly designed dead front covers, the fuse bases achieve an IP20 rating, enhancing safety. Manufactured in the USA, the FBC60J100 (SKU: FBC60J100) provides reliable fuse protection and connection for electrical systems.

FBC60J100

The Mersen FBC60J100 is a Generation 2 open-style Class J fuse block designed to accommodate Class J fuses from 0-100A at 600V. This model offers versatile connection options, including screw, pressure plate, and box connectors, compatible with a wide range of stranded or solid wire. Engineered for modern industrial applications, these Gen2 fuse blocks feature a more compact design compared to traditional offerings and are DIN-rail mountable for efficient panel assembly. The dovetail nesting capability allows for easy multipole field assembly, simplifying configuration. When paired with Mersen’s newly designed dead front covers, the fuse bases achieve an IP20 rating, enhancing safety. Manufactured in the USA, the FBC60J100 (SKU: FBC60J100) provides reliable fuse protection and connection for electrical systems.
The new Littelfuse Class T fuse blocks offer many advantages over previous generations that are noted in the features and benefits section. Of particular value is the space savings these new blocks provide.

LFT604001CS

The new Littelfuse Class T fuse blocks offer many advantages over previous generations that are noted in the features and benefits section. Of particular value is the space savings these new blocks provide.
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.