Littelfuse LTFD101-1000 - 80VDC 125A TLS DISCONNECT W/ BULLET
Littelfuse

LTFD101-1000

UPC: 079458809541

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Specification Sheet

Contact for Pricing

Overview

The Littelfuse LTFD101-1000 stands as a critical component for robust industrial power management, offering a reliable 80VDC and 125A current rating. This TLS (Type-Limited Switch) disconnect switch is engineered by Littelfuse, a recognized leader in circuit protection and power control solutions, ensuring high performance and unwavering safety in demanding industrial environments. Its primary function is to provide safe and efficient isolation of electrical circuits, a fundamental requirement for maintenance, troubleshooting, and emergency shutdown procedures in a wide array of industrial applications. The LTFD101-1000 is specifically designed with bullet terminals, a feature that simplifies and secures electrical connections, making installation and subsequent servicing more straightforward and less prone to error. This design choice is particularly beneficial in settings where vibration or frequent manipulation might otherwise compromise connection integrity. The robust construction of this disconnect switch is a testament to Littelfuse's commitment to durability, utilizing materials that can withstand the rigors of industrial operation, including potential exposure to dust, moisture, and extreme temperatures. Key applications for the Littelfuse LTFD101-1000 are extensive and include: * **Power Distribution Systems:** Ensuring safe isolation points within main power distribution panels and sub-panels. * **Motor Control Circuits:** Providing reliable means to de-energize motors for maintenance or during operational changes. * **Industrial Machinery:** Integrating into the control systems of heavy-duty equipment for operational safety and control. * **Renewable Energy Systems:** Facilitating safe disconnects in DC-based solar or wind power installations. * **Battery Systems:** Offering secure isolation for large-scale DC battery banks. Choosing a disconnect switch of this caliber is paramount for maintaining operational continuity and safeguarding personnel and equipment. The 80VDC rating makes it suitable for a variety of DC power applications, while the 125A capacity handles significant current loads. Littelfuse's reputation for quality and adherence to stringent industrial standards means that the LTFD101-1000 is a dependable choice for engineers and technicians who cannot compromise on safety or performance. Its compact footprint, coupled with its durable build, ensures it can be integrated into existing systems or new designs without excessive space requirements, while promising long-term operational reliability. Trust in the Littelfuse LTFD101-1000 for your critical DC power isolation needs.
  • 80VDC Voltage Rating for DC power applications
  • 125A Current Rating for substantial load handling
  • TLS (Type-Limited Switch) design for enhanced safety
  • Bullet terminals for secure and easy connections
  • Robust construction for demanding industrial environments

Specifications

Connection Type
Bullet Terminals
Current Rating
125A
Series
TLS
Voltage Rating
80VDC Volts
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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.