Littelfuse LTFD101-3C - 80VDC 125A TLS DISC SWITCH SCH C
Littelfuse

LTFD101-3C

UPC: 079458183115


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Specification Sheet

Contact for Pricing

Overview

The Littelfuse TLS DISC 80VDC 125A NEMA SCH C switch (SKU: LTFD101-3C) is a high-performance industrial disconnect switch engineered for reliable operation in the most demanding environments. Designed to meet the rigorous demands of power distribution and control systems, this robust switch delivers exceptional durability and precision performance where it matters most. With a voltage rating of 80VDC and a continuous current rating of 125A, the LTFD101-3C is purpose-built for medium-voltage industrial applications, including motor control centers, solar power systems, battery storage installations, and utility substations. Engineered to NEMA SCH C standards, this switch provides superior protection against environmental contaminants such as dust, moisture, and corrosive atmospheres—critical for facilities operating in harsh or outdoor conditions. The SCH C rating ensures compliance with stringent industrial safety and protection requirements, making it ideal for use in chemical plants, mining operations, water treatment plants, and heavy manufacturing environments where reliability cannot be compromised. The compact and modular design of the TLS DISC series facilitates straightforward installation and maintenance, reducing downtime and operational costs. Its durable construction, featuring high-quality copper contacts and corrosion-resistant housing, ensures long service life even under continuous cycling and high electrical loads. Whether used as a main disconnect, branch circuit protector, or emergency shutdown switch, the LTFD101-3C offers unmatched operational integrity and safety compliance. Littelfuse, a global leader in circuit protection and switching solutions, has designed the TLS DISC series to meet the evolving needs of industrial professionals. With decades of expertise in electrical safety and power management, Littelfuse delivers products that engineers, electricians, and facility managers trust to protect personnel and equipment. The LTFD101-3C is backed by comprehensive testing and certification, ensuring compatibility with global electrical standards and peace of mind in mission-critical applications. Ideal for integration into new installations or retrofits, the Littelfuse TLS DISC 80VDC 125A switch is a cornerstone component in modern industrial electrical infrastructure. Its combination of high current handling, environmental resilience, and trusted brand reliability makes it the preferred choice for professionals who demand performance without compromise.
  • 80VDC voltage rating with 125A continuous current capacity
  • NEMA SCH C rated for protection against dust, moisture, and corrosion
  • Compact, durable design for easy installation and maintenance
  • Suitable for motor control centers, solar systems, and utility substations
  • Backed by Littelfuse’s reputation for quality and reliability

Specifications

Current Rating
125 A
Material
Copper, Corrosion-resistant housing
Nema Rating
SCH C
Series
TLS DISC
Voltage Rating
80 VDC

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.