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Littelfuse LFR60100-3C - 600V CLASS R BLOCK 100A 3P BOX LUG TERM

Littelfuse LFR60100-3C 600V CLASS R BLOCK 100A 3P BOX LUG TERM

UPC: 079458188080


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 LFR60100-3C is a robust and reliable 600V Class R fuse block designed to provide essential overcurrent protection for industrial electrical systems. Engineered by Littelfuse, a recognized leader in circuit protection, this 3-pole (3P) unit is rated for 100 amps, making it suitable for a wide range of demanding applications. Its box lug termination ensures secure and efficient connections for conductors, crucial for maintaining system integrity and preventing costly downtime. This fuse block is a critical component in power distribution panels, motor control centers, and industrial machinery where safeguarding equipment from short circuits and overloads is paramount. The Class R rating signifies its ability to interrupt fault currents safely, protecting downstream components and personnel. The LFR series from Littelfuse is known for its durable construction, designed to withstand the harsh conditions often found in industrial environments, including vibration, temperature fluctuations, and potential exposure to contaminants. Key features of the Littelfuse LFR60100-3C include: * **High Voltage Rating:** 600V AC, suitable for medium-voltage industrial applications. * **Ample Current Capacity:** 100A rating accommodates significant electrical loads. * **Three-Pole Configuration:** Ideal for three-phase power systems, offering comprehensive protection. * **Secure Box Lug Terminals:** Provides a reliable and robust connection point for power cables. * **Class R Fuse Compatibility:** Designed to work with Class R fuses, offering specific interruptive capabilities. Installation of the LFR60100-3C should be performed by qualified electricians following all applicable electrical codes and safety standards. Proper torque must be applied to the box lug terminals to ensure optimal electrical contact and prevent overheating. The compact design allows for efficient use of space within electrical enclosures. Industries that commonly utilize fuse blocks like the LFR60100-3C include manufacturing, processing plants, data centers, and commercial buildings. Its role in preventing electrical fires and equipment damage underscores its importance in maintaining operational continuity and safety. When selecting fuse blocks, professionals prioritize reliability, performance, and adherence to industry standards, all of which are hallmarks of Littelfuse products. The LFR60100-3C exemplifies this commitment to quality, offering peace of mind and dependable circuit protection for critical infrastructure.
  • 600V AC voltage rating for industrial power systems
  • 100A current rating for substantial electrical loads
  • 3-pole configuration for three-phase circuit protection
  • Secure box lug terminals ensure reliable conductor connections
  • Designed for use with Class R fuses for enhanced safety

Specifications

Connection Type
Box Lug
Current Rating
100 A
Poles
3P
Series
LFR
Voltage Rating
600 V
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Frequently Asked Questions

What voltage ratings are available for the LF Series fuse blocks?

The LF Series fuse blocks are available in 250 V and 600 V ratings.

What is the leakage current for these fuse blocks at 600V?

The leakage current is less than 0.6 mA at 600 V.

What are the withstand ratings for Class H and Class R fuse blocks?

Class H has a 10 kA RMS SYM withstand rating, while Class R has a 200 kA RMS SYM withstand rating.

What materials are used for the base and fuse clips?

The base is made of thermoplastic, and the fuse clips are made of tin-plated copper alloy.

What is the flammability rating of the fuse block material?

The flammability rating for the material used is UL94 V-0.

Are these fuse blocks RoHS compliant?

Yes, the fuse blocks are RoHS compliant and lead-free.

What is the temperature rating for the base of the 600V Class R fuse blocks?

The base temperature rating for 600V Class R fuse blocks is 130 °C.

What is the suggested torque for the 30 Ampere, 250 Volt Class H box lugs?

The suggested torque for 30 Ampere, 250 Volt Class H box lugs is 2.8 N-m (25 in-lbs).

What wire types are compatible with the 60 Ampere, 250 Volt Class H box lugs?

The 60 Ampere, 250 Volt Class H box lugs are compatible with 2-14 AWG CU-AL wire, solid or stranded.

What is the suggested torque for the 200 Ampere, 600 Volt Class R box lugs?

The suggested torque for 200 Ampere, 600 Volt Class R box lugs is 31.1 N-m (275 in-lbs).

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.