Littelfuse LFH60030-3SID - 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

LFH60030-3SID

Alternate Item Number: LFH600303SID

UPC: 079458186710

Documents & Media
BrochureSpecification Sheet

Contact for Pricing

Overview

The Littelfuse Class H Fuse Block, model LFH60030-3SID, represents a significant advancement in industrial circuit protection, offering enhanced reliability and performance over previous generations. Engineered by Littelfuse, a globally recognized leader in circuit protection solutions, this fuse block is designed to safeguard critical electrical systems in demanding industrial environments. Its robust construction and adherence to Class H standards ensure dependable operation and protection against overcurrent and short-circuit conditions. This LFH60030-3SID fuse block is specifically designed for use with Class H fuses, providing a secure and efficient interface for fuse insertion and replacement. While dimensionally identical to Littelfuse's Class R fuse blocks, the Class H variant does not incorporate the rejection feature found in Class R blocks. This distinction is crucial for ensuring proper fuse selection and application, as Class R blocks are engineered to exclusively accept Class R fuses, thereby preventing the insertion of lower-rated or incompatible fuse types. The LFH60030-3SID, by contrast, is optimized for Class H fuses, offering a straightforward and reliable solution for applications where Class H protection is specified. Key advantages of this new generation of Littelfuse Class H blocks, as detailed in their comprehensive features and benefits, translate directly into operational efficiencies and enhanced safety for industrial facilities. These advantages typically include improved terminal connections for superior conductivity and reduced heat buildup, more durable housing materials to withstand harsh environmental factors such as vibration, dust, and temperature fluctuations, and simplified installation procedures. The robust design ensures longevity and minimizes the need for frequent maintenance, contributing to lower total cost of ownership. Applications for the Littelfuse LFH60030-3SID are widespread across various industrial sectors, including manufacturing plants, power distribution systems, motor control centers, and heavy machinery operations. It serves as a vital component in protecting sensitive equipment, preventing downtime, and ensuring the safety of personnel. Professionals rely on Littelfuse for their unwavering commitment to quality and innovation, making this Class H fuse block an excellent choice for critical electrical infrastructure. When selecting a fuse block, engineers and maintenance personnel consider factors such as voltage and current ratings, interrupting capacity, physical dimensions, and compatibility with specific fuse classes. The LFH60030-3SID meets the stringent requirements for Class H applications, offering a reliable solution for systems operating within its specified parameters. Its straightforward design ensures ease of integration into existing electrical panels and systems. Trust Littelfuse for unparalleled circuit protection that keeps your operations running smoothly and safely. Features and benefits include: * **Robust Construction:** Built to withstand demanding industrial environments. * **Class H Fuse Compatibility:** Designed for secure and reliable use with Class H fuses. * **Enhanced Performance:** Offers improved reliability and durability over previous models. * **Simplified Installation:** Engineered for ease of integration into electrical systems. * **Dependable Circuit Protection:** Safeguards critical equipment and prevents downtime.
  • Littelfuse Class H Fuse Block LFH60030-3SID
  • Designed for reliable industrial circuit protection
  • Enhanced performance and durability compared to previous generations
  • Compatible with Class H fuses for safe and efficient operation
  • Robust construction for demanding industrial environments

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.