Littelfuse LD1440-4 - POWER DISTRIBUTION BLOCK
Littelfuse

LD1440-4

UPC: 079458231830

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Specification Sheet

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Overview

The Littelfuse LD1440-4 Power Distribution Block, part of the robust LD1440 series, is engineered to provide a dependable and efficient solution for industrial power management and distribution. In demanding industrial environments, consistent and reliable power delivery is paramount to operational uptime and the longevity of critical equipment. This distribution block is designed to meet these stringent requirements, offering a high-performance component that simplifies complex wiring and ensures safe, organized power distribution. Littelfuse, a globally recognized leader in circuit protection and power control solutions, brings its extensive expertise to the LD1440-4. This product is built with the quality and durability that industrial professionals have come to expect from the Littelfuse brand. Its primary function is to consolidate multiple power inputs into a single, manageable output or to distribute a single input to numerous circuits, thereby reducing the complexity of wiring harnesses and minimizing potential points of failure. This organized approach to power distribution is crucial in applications ranging from manufacturing automation and control panels to heavy machinery and renewable energy systems. The LD1440-4 Power Distribution Block is constructed from high-grade materials designed to withstand the rigors of industrial settings, including exposure to vibration, temperature fluctuations, and electrical stress. Its precise engineering ensures secure connections, preventing loose wires and arcing, which are common causes of equipment damage and safety hazards. By providing a centralized point for power distribution, it significantly streamlines installation and maintenance processes, allowing technicians to quickly identify and address any power-related issues. This efficiency translates directly into reduced downtime and increased productivity for businesses. Key benefits of integrating the Littelfuse LD1440-4 into your power distribution infrastructure include: * **Enhanced Reliability:** Minimizes wiring complexity and potential failure points for stable power delivery. * **Improved Safety:** Robust construction and secure connections reduce the risk of electrical hazards. * **Streamlined Installation:** Simplifies wiring layouts, saving time and labor during setup. * **Durability:** Built to withstand harsh industrial environments and electrical loads. * **Efficient Power Management:** Organizes power distribution for better system control and maintenance. Whether you are designing new control systems or upgrading existing infrastructure, the Littelfuse LD1440-4 Power Distribution Block offers a superior solution for managing and distributing power effectively and safely. Its application spans across various industrial sectors, including automotive manufacturing, food and beverage processing, material handling, and general industrial automation, where reliable power is the backbone of every operation. Trust Littelfuse for your critical power distribution needs.
  • High-performance power distribution block for industrial applications.
  • Engineered by Littelfuse for reliability and durability.
  • Simplifies complex wiring and organizes power distribution.
  • Robust construction suitable for demanding environments.
  • Ensures stable power delivery to critical systems, reducing downtime.

Specifications

Material
High-grade materials
Series
LD1440
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.