Authorized Littelfuse Distributor
Littelfuse LTFD6001-00 - 145VDC 600A L17T DISCONNECT SWITCH

Littelfuse LTFD6001-00 145VDC 600A L17T DISCONNECT SWITCH

UPC: 079458054729


Documents & Media
Specification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Littelfuse LTFD6001-00 is a DC disconnect switch designed for industrial DC power systems. This unit features a 145 VDC voltage rating and a 600 A current rating, providing reliable isolation for maintenance, diagnostics, and personnel safety. Its compact design and pull-out fuse carrier facilitate safe power disconnection and easy fuse replacement. The LTFD6001-00 is suitable for applications in renewable energy systems, including solar and battery energy storage systems (BESS), industrial machinery utilizing DC drives, DC power distribution networks, and uninterruptible power supply (UPS) systems. The L17T design ensures straightforward integration into existing infrastructure. This switch serves as a direct replacement for comparable 600 A class DC disconnect switches, ensuring safe and continuous operation in critical DC power management scenarios. It is constructed with a thermoplastic housing material and is UL Recognized (File: E122674) with a UL 94 V-0 flammability rating. The recommended fuses are Littelfuse L17T Series fuses. The catalog number LTFD6001-00 corresponds to a 600 A amperage rating with a 3/4 – 16 x 3.5 in stud size and a contact nut torque of 100 ft-lb.
  • 145 VDC Voltage Rating
  • 600 A Current Rating
  • Compact design with pull-out fuse carrier
  • Thermoplastic housing material
  • UL Recognized (File: E122674), UL 94 V-0 Flammability Rating

Specifications

Current Rating
600 A
Nema Rating
L17T
Poles
1P
Series
L17T
Series
LTFD
Series
LTFD6001
Series
LTFD Series
Size
L17T
Voltage Rating
145 VDC
Power supply for DIN-rail

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Power supply for DIN-rail
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Frequently Asked Questions

What is the voltage rating for the LTFD6001-00?

The LTFD6001-00 has a voltage rating of 145 Vdc for 70-600 A and 60 Vdc for 800-1200 A.

What is the ampere range for the LTFD6001 series?

The LTFD6001 series has an ampere range from 70 to 1200 A.

What type of fuses are recommended for the LTFD6001 series?

Littelfuse L17T Series fuses are recommended for the LTFD6001 series.

What are the UL approvals for the LTFD6001-00?

The LTFD6001-00 is UL Recognized with File E122674.

What is the flammability rating of the LTFD6001-00?

The LTFD6001-00 has a flammability rating of UL 94 V-0.

What is the contact nut torque for the LTFD6001-00?

The contact nut torque for the LTFD6001-00 is 100 ft-lb.

What is the stud size for the LTFD6001-00?

The stud size for the LTFD6001-00 is 3/4 – 16 x 3.5 in.

Does the LTFD6001-00 have an alarm signaling circuit?

Yes, the LTFD6001-00 includes an alarm signaling circuit.

What is the housing material for the LTFD6001 series?

The LTFD6001 series utilizes a thermoplastic housing material.

How is the fuse replaced in the LTFD6001 series?

The LTFD6001 series utilizes a pull-out fuse carrier for safe disconnection and easy fuse replacement.

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.