Littelfuse LFH60030-2SID - The new Littelfuse Class H blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.
Littelfuse

LFH60030-2SID

Alternate Item Number: LFH600302SID

UPC: 079458186741

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Overview

The Littelfuse Class H fuse block (LFH60030-2SID) is a high-performance industrial-grade solution designed to provide superior electrical protection in demanding environments. As part of Littelfuse’s latest generation of Class H fuse blocks, this model delivers enhanced performance, durability, and compatibility compared to previous iterations, ensuring reliable operation in critical applications. Class H fuse blocks are widely recognized for their robust construction and precise engineering, making them a trusted choice for professionals in industrial, commercial, and utility settings where electrical safety and system reliability are paramount. One of the key advantages of the Littelfuse Class H fuse block (LFH60030-2SID) is its dimensional compatibility with Class R fuse blocks, allowing for seamless integration into existing systems without requiring modifications to panel layouts or mounting configurations. While Class R blocks incorporate a rejection feature to prevent the insertion of non-compliant fuses, the Class H block is optimized for use with Class H fuses, which are designed to handle higher fault currents and provide enhanced protection in industrial circuits. This makes the LFH60030-2SID an ideal solution for applications where rapid fault interruption and long-term reliability are essential. The LFH60030-2SID is engineered for use in a wide range of industrial applications, including motor control centers, panelboards, switchgear, and distribution boards. Its robust construction ensures resistance to vibration, thermal cycling, and environmental contaminants, making it suitable for harsh operating conditions. Professionals in industries such as manufacturing, oil and gas, mining, and renewable energy rely on Littelfuse fuse blocks for their proven performance and adherence to stringent industry standards, including UL and IEC certifications. Installation of the Littelfuse Class H fuse block is straightforward, with standardized mounting configurations that align with industry conventions. The block’s design facilitates easy fuse replacement and maintenance, reducing downtime in critical operations. Additionally, Littelfuse’s reputation for innovation and quality ensures that the LFH60030-2SID meets the rigorous demands of modern electrical systems, providing peace of mind for engineers, electricians, and facility managers. Littelfuse, a global leader in circuit protection solutions, has been delivering high-quality fuse blocks and related products for decades. The company’s commitment to research and development ensures that its products incorporate the latest advancements in materials science, thermal management, and fault interruption technology. By choosing the Littelfuse Class H fuse block (LFH60030-2SID), professionals gain access to a reliable, high-performance solution that enhances the safety and efficiency of their electrical systems while supporting long-term operational goals.
  • Dimensional compatibility with Class R fuse blocks for easy system integration
  • Superior electrical protection with enhanced durability in demanding environments
  • Optimized for use with Class H fuses for high fault current handling
  • Robust construction resists vibration, thermal cycling, and environmental contaminants
  • Trusted by professionals in manufacturing, oil & gas, mining, and renewable energy sectors

Specifications

Brand Name
Littelfuse
Special Features
Universal mounting holes
Standard
UL Listed CSA Recognized
Sub Brand
LF Series Fuseblock
Type
Class H Fuseblock
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
BB18 is a three-phase busbar terminal power feed lug, which is intended for use with LPSM/LPSC series fuse holders. See datasheet for more detailed specifications.

BB18

BB18 is a three-phase busbar terminal power feed lug, which is intended for use with LPSM/LPSC series fuse holders. See datasheet for more detailed specifications.
D4/8.SFT2.I.ADO

1SNA399777R1200

D4/8.SFT2.I.ADO
2000W 5V 150A 24V 10A 2-12V 1P

SH20-P3T53J4

2000W 5V 150A 24V 10A 2-12V 1P

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.