Littelfuse LFJ60030-2S - 600V CLASS J BLOCK 30A 2 POLE NON-ID
Littelfuse

LFJ60030-2S

UPC: 079458808742


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Overview

The **Littelfuse LFJ60030-2S** is a high-performance **Class J block fuse** engineered for industrial-grade overcurrent protection in demanding electrical systems. Rated at **600V and 30A**, this **2-pole non-ID (non-interchangeable) fuse** delivers unmatched reliability in environments where equipment safety and operational continuity are critical. Designed to meet the rigorous demands of modern industrial applications, the LFJ60030-2S ensures robust protection against short circuits, overloads, and transient faults, safeguarding sensitive machinery and electrical infrastructure from catastrophic damage. Class J fuses are a cornerstone of industrial power distribution, offering superior interrupting ratings and fast response times compared to standard fuses. The **LFJ60030-2S** leverages Littelfuse’s decades of expertise in fuse technology, providing a **non-interchangeable design** that prevents unauthorized or mismatched replacements, reducing the risk of improper protection levels. Its **compact block-style construction** ensures easy installation in control panels, motor control centers (MCCs), and power distribution units, while its **high interrupting rating** (typically 200kA) makes it ideal for high-fault-current systems common in manufacturing, utilities, and heavy industrial settings. **Key Applications & Industry Use Cases** The LFJ60030-2S is purpose-built for environments where electrical reliability is non-negotiable. Typical applications include: - **Motor Control Centers (MCCs):** Protecting motors from overloads and short circuits in industrial machinery, HVAC systems, and conveyor belts. - **Power Distribution Panels:** Safeguarding branch circuits in factories, data centers, and commercial buildings where 600V systems are standard. - **Industrial Machinery:** Providing overcurrent protection for CNC machines, presses, and robotic systems in automotive, aerospace, and metal fabrication industries. - **Renewable Energy Systems:** Integrating into solar and wind power distribution systems to protect inverters and battery banks from fault conditions. - **Utility & Substation Equipment:** Ensuring grid stability by preventing faults in switchgear and feeder circuits. **Why Choose Littelfuse for Class J Fuses?** Littelfuse is a globally recognized leader in circuit protection, with a reputation for innovation, quality, and durability. The company’s **Class J fuses** are trusted by engineers and maintenance professionals worldwide for their: - **Consistent Performance:** Littelfuse fuses undergo rigorous testing to ensure they meet or exceed industry standards (UL, CSA, IEC). - **Wide Compatibility:** The **LFJ60030-2S** is designed to fit standard Class J fuse blocks, making it a drop-in replacement for existing systems. - **Long Service Life:** Constructed from high-quality materials, these fuses resist corrosion, thermal stress, and mechanical wear, ensuring years of reliable operation. - **Global Availability:** Littelfuse’s extensive distribution network ensures quick access to replacement fuses, minimizing downtime in critical applications. **Installation & Maintenance Considerations** Proper installation is essential for optimal performance. The **LFJ60030-2S** should be mounted in a **Class J fuse block** compatible with its dimensions and voltage rating. Key installation tips include: - **Verify Compatibility:** Ensure the fuse block matches the fuse’s **600V rating** and **30A current rating**. - **Non-ID Design:** The non-interchangeable feature prevents the use of incorrect fuse ratings, reducing the risk of under- or over-protection. - **Thermal Management:** Allow adequate clearance around the fuse block to prevent overheating, especially in high-ambient-temperature environments. - **Regular Inspections:** Periodically check for signs of arcing, corrosion, or physical damage to the fuse or block. **Industry Standards & Certifications** The LFJ60030-2S complies with critical safety and performance standards, including: - **UL 248-8 (Class J Fuses):** Ensures the fuse meets North American safety requirements for overcurrent protection. - **CSA Certification:** Validates compliance with Canadian electrical codes. - **IEC 60269:** Provides international recognition for global applications. **Conclusion** For industrial professionals seeking a **high-reliability, high-performance fuse** for 600V systems, the **Littelfuse LFJ60030-2S** is an industry-proven solution. Its **30A rating, 2-pole design, and non-ID connection** make it a versatile choice for a wide range of applications, from motor control to power distribution. Backed by Littelfuse’s **unmatched expertise in circuit protection**, this fuse delivers the durability, safety, and performance required to protect critical infrastructure and reduce costly downtime. Whether you’re upgrading an existing system or designing a new installation, the LFJ60030-2S is a trusted component that ensures peace of mind in even the most demanding environments.
  • 600V rated for high-voltage industrial applications
  • 30A current rating with 2-pole non-ID connection
  • Non-interchangeable design for safety and compliance
  • 200kA interrupting rating for high-fault-current systems
  • UL 248-8 and CSA certified for global standards

Specifications

Connection Type
Non-ID
Current Rating
30 A
Nema Rating
Class J
Poles
2
Poles
2P
Series
Class J Block Fuse
Voltage Rating
600 V
The Mersen FBC60J30I is an open-style Class J fuse block designed for 600V applications, accommodating fuses from 0-100A. This Generation 2 (Gen2) model offers enhanced features for efficient installation and configuration. It supports multiple connector types, including screw, pressure plate, and box connectors, ensuring compatibility with a wide range of stranded or solid wire. The FBC60J30I is DIN-rail mountable, providing a compact footprint compared to traditional fuse blocks. Its dovetail nesting capability allows for easy field assembly of multipole configurations. When paired with Mersen’s newly designed dead front covers, the fuse bases achieve an IP20 rating for added safety. Manufactured in the US.

FBC60J30I

The Mersen FBC60J30I is an open-style Class J fuse block designed for 600V applications, accommodating fuses from 0-100A. This Generation 2 (Gen2) model offers enhanced features for efficient installation and configuration. It supports multiple connector types, including screw, pressure plate, and box connectors, ensuring compatibility with a wide range of stranded or solid wire. The FBC60J30I is DIN-rail mountable, providing a compact footprint compared to traditional fuse blocks. Its dovetail nesting capability allows for easy field assembly of multipole configurations. When paired with Mersen’s newly designed dead front covers, the fuse bases achieve an IP20 rating for added safety. Manufactured in the US.
600V CLASS H BLOCK 30A 2 POLE NON-ID

LFH60030-2C

600V CLASS H BLOCK 30A 2 POLE NON-ID
D2 5/8.SFLT ADO.2

1SNA199187R1400

D2 5/8.SFLT ADO.2

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.