Littelfuse LFH25060-2CID - 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

LFH25060-2CID

Alternate Item Number: LFH250602CID

UPC: 079458181272

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Overview

The Littelfuse LFH Series Class H Fuse Block, model LFH25060-2CID, represents a significant advancement in industrial circuit protection. Engineered by Littelfuse, a globally recognized leader in circuit protection solutions, this Class H fuse block offers robust and reliable performance for a wide array of demanding industrial applications. Its design prioritizes safety, operational efficiency, and ease of integration within electrical systems. This Class H fuse block is dimensionally interchangeable with Littelfuse's Class R fuse blocks. This compatibility is a key advantage, allowing for straightforward upgrades or replacements in existing installations. While Class H and Class R blocks share the same physical footprint, Class R blocks incorporate a crucial rejection feature. This feature ensures that only Class R fuses can be inserted, preventing the inadvertent use of lower-rated fuses and maintaining the integrity of the protection scheme. The LFH25060-2CID, as a Class H block, is designed to accept Class H fuses, providing a cost-effective and reliable solution where the specific rejection feature of Class R is not mandated. The primary function of the LFH25060-2CID is to house and protect Class H fuses, which are essential for safeguarding electrical equipment and personnel from the damaging effects of overcurrents, including overloads and short circuits. Overcurrents can lead to equipment failure, fire hazards, and significant downtime, making effective fuse protection paramount in industrial settings. This Littelfuse fuse block is constructed with durable materials to withstand the harsh environmental conditions often found in manufacturing plants, processing facilities, and other industrial environments. Key features and benefits of the Littelfuse LFH Series Class H Fuse Block include: * **Reliable Overcurrent Protection:** Designed to work seamlessly with Class H fuses to provide dependable protection against electrical faults. * **Industrial-Grade Construction:** Built for durability and longevity in demanding industrial environments. * **Dimensional Compatibility:** Shares the same dimensions as Class R fuse blocks, facilitating integration and upgrades. * **Enhanced Safety:** Contributes to overall electrical system safety by preventing catastrophic failures due to overcurrents. * **Manufacturer Reputation:** Backed by Littelfuse's extensive experience and commitment to quality in circuit protection. Typical applications for the LFH25060-2CID include motor control circuits, power distribution panels, HVAC systems, and general industrial machinery where Class H fuse protection is specified. Professionals in electrical engineering, maintenance, and panel building rely on Littelfuse products for their consistent quality and performance. When selecting a fuse block, considerations such as voltage rating, current rating, fuse class compatibility, and environmental factors are critical. The LFH25060-2CID meets the requirements for 250V AC applications with a 60A rating, making it suitable for a broad range of industrial power circuits. Choosing the right fuse block is a critical step in ensuring the longevity and safety of electrical infrastructure. The Littelfuse LFH Series offers a proven solution, combining advanced design principles with the trusted reliability that has made Littelfuse a cornerstone in the circuit protection industry. This specific model, LFH25060-2CID, provides an excellent balance of performance, compatibility, and value for applications requiring Class H fuse protection.
  • Littelfuse LFH Series Class H Fuse Block
  • Model: LFH25060-2CID
  • 2-Pole Configuration
  • 60 Ampere Current Rating
  • 250 Volt AC Voltage Rating
  • Designed for reliable industrial circuit protection
  • Dimensionally compatible with Class R fuse blocks

Specifications

Brand Name
Littelfuse
Special Features
Universal mounting holes
Standard
UL Listed CSA Recognized
Sub Brand
LF Series Fuseblock
Type
Class H Fuseblock
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.
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.

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ACS 600V DISTRIBUTION BLK 950A 1 POLE

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ACS 600V DISTRIBUTION BLK 950A 1 POLE
POWER DISTRIBUTION BLOCK

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The LFJ1000 solar fuse block is specifically designed for the Littelfuse SPFJ 1000 Vdc Solar Fuse. It meets UL electrical characteristic requirements and is available in multiple amperages.

LFJ102001C

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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.

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Littelfuse DIN series Class CC fuse blocks have integral DIN rail mounting capabilities that allow secure mounting to 35mm "hat" type DIN rails. New releasable mechanism allows installation and removal of block without removing adjacent components on DIN rail. Electrical panel builders and machine builders no longer need to use mounting adapters, saving assembly time and related costs.
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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.