Littelfuse LFH25060-1CID - 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

LFH25060-1CID

Alternate Item Number: LFH250601CID

UPC: 079458181296


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Overview

The Littelfuse Class H Fuse Block, SKU LFH25060-1CID, represents a significant advancement in industrial circuit protection, offering enhanced reliability and performance over previous generations. Designed for demanding industrial environments, this fuse block is engineered to provide robust and dependable protection for electrical circuits, safeguarding equipment and personnel from overcurrent events. Littelfuse, a globally recognized leader in circuit protection, brings its extensive expertise to the design and manufacture of this essential component. This Class H fuse block shares identical dimensions with Class R fuse blocks, facilitating seamless integration and retrofitting into existing electrical infrastructure. However, a key distinction lies in the rejection feature present in Class R blocks, which exclusively accepts Class R fuses. While this specific Class H model (LFH25060-1CID) does not incorporate the rejection feature, its design prioritizes compatibility and ease of use within Class H fuse applications. This ensures that the correct fuse type is utilized, preventing potential operational failures and safety hazards associated with improper fuse installation. The careful engineering behind this product underscores Littelfuse's commitment to safety and operational integrity. Key advantages of the Littelfuse Class H fuse blocks include: * **Enhanced Reliability:** Built with high-quality materials and rigorous manufacturing standards to ensure long-term, dependable performance in harsh industrial settings. * **Broad Compatibility:** Designed to integrate smoothly with existing Class H fuse systems, minimizing installation complexity and downtime. * **Superior Circuit Protection:** Effectively interrupts fault currents, protecting sensitive electrical equipment and preventing catastrophic failures. * **Robust Construction:** Engineered to withstand the rigors of industrial environments, including vibration, temperature fluctuations, and electrical stress. * **Ease of Installation:** The dimensional similarity to other fuse block classes simplifies the selection and installation process for electricians and maintenance professionals. The Littelfuse Class H Fuse Block LFH25060-1CID is ideally suited for a wide array of industrial applications, including but not limited to: * Industrial control panels * Power distribution systems * Motor control circuits * Machinery and equipment protection * General industrial power applications By choosing Littelfuse, you are selecting a product from a manufacturer with a long-standing reputation for innovation and quality in electrical safety. The LFH25060-1CID is a testament to this legacy, providing industrial users with a reliable and effective solution for their circuit protection needs. Its design prioritizes both operational efficiency and the critical safety requirements inherent in industrial electrical systems, making it a trusted choice for professionals seeking dependable performance.
  • Littelfuse Class H Fuse Block (SKU: LFH25060-1CID)
  • Designed for reliable industrial circuit protection
  • Enhanced performance and compatibility with previous generations
  • Shares dimensions with Class R fuse blocks for easy integration
  • Robust construction for demanding industrial environments

Specifications

Brand Name
Littelfuse
Connection Type
Screw Terminal
Material
Poly
Series
Class H
Special Features
Universal mounting holes
Standard
UL Listed CSA Recognized
Sub Brand
LF Series Fuseblock
Type
Class H Fuseblock
NH plastic base Size NH0 1000VAC 1000VDC 160A 3-Pole Screw Connection Screw Indirect touch protection IP20

Z226710

NH plastic base Size NH0 1000VAC 1000VDC 160A 3-Pole Screw Connection Screw Indirect touch protection IP20
POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover.

LD4551-3

POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover.
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.