Littelfuse LFR60060-3C 600V CLASS R BLOCK 60A 3P BOX LUG TERM

Name: Littelfuse LFR60060-3C 600V Class R Block 60A 3P Box Lug Termination
Brand: Littelfuse
SKU: LFR60060-3C
Availability: InStock

UPC: 079458188066

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 LFR60060-3C** is a high-performance **600V Class R fuse block** engineered for industrial power distribution systems requiring robust overcurrent and short-circuit protection. Designed with **60A current rating** and **3-pole configuration**, this device features **box lug termination** for secure, high-conductivity electrical connections in demanding environments. As a trusted component in Littelfuse’s Class R fuse protection lineup, the LFR60060-3C delivers exceptional reliability, compliance with industry standards, and long-term durability—making it an essential choice for engineers and technicians prioritizing safety and system integrity. Class R fuse blocks like the LFR60060-3C are critical in applications where precise fault interruption and high interrupting ratings are required. With a **600V voltage rating**, this device is optimized for use in **motor control centers, industrial machinery, and power distribution panels**, where it safeguards sensitive equipment from damaging overcurrent events. Its **3-pole design** ensures balanced protection across all phases, reducing the risk of unbalanced loads and equipment failure. The **box lug termination** simplifies installation, allowing for direct connection to bus bars or cables with minimal resistance, which is essential in high-current applications. Littelfuse, a global leader in circuit protection, designs the LFR60060-3C to meet rigorous **UL, CSA, and IEC standards**, ensuring compatibility with a wide range of industrial systems. Professionals in **manufacturing, utilities, and commercial facilities** rely on Class R fuse blocks for their **high interrupting capacity (HIC)**, which can handle fault currents up to 200kA—far exceeding the capabilities of standard fuses. This makes the LFR60060-3C particularly well-suited for environments with unpredictable power surges or short-circuit risks, such as **metal fabrication, data centers, and renewable energy systems**. Installation of the LFR60060-3C is straightforward, thanks to its **compact footprint** and **modular design**, which allows for easy integration into existing panels or enclosures. The **box lug terminals** accept a variety of wire sizes, providing flexibility for different wiring configurations while maintaining low contact resistance. For optimal performance, professionals should ensure proper torque settings during installation to prevent loose connections, which can lead to overheating or arcing. Additionally, the fuse block’s **durable construction**—typically featuring high-strength insulating materials and corrosion-resistant components—ensures reliable operation even in harsh industrial conditions, including high temperatures, vibration, and exposure to contaminants. Choosing the right fuse block involves evaluating several key factors, including **voltage rating, current rating, interrupting capacity, and termination type**. The LFR60060-3C excels in all these areas, offering a **600V rating** for compatibility with most industrial systems, a **60A current rating** for medium-to-high-power applications, and **box lug termination** for secure, low-resistance connections. Its **Class R classification** further distinguishes it from standard fuse blocks, as Class R devices are tested to higher performance standards, including **time-current characteristics** that ensure faster response to fault conditions. Littelfuse’s reputation for innovation and quality makes the LFR60060-3C a preferred choice among engineers and maintenance teams. The company’s **extensive testing protocols** and **global distribution network** ensure that customers receive consistent, high-quality products backed by decades of expertise in circuit protection. Whether used in **new installations or retrofits**, the LFR60060-3C provides peace of mind, knowing that critical equipment is shielded from the devastating effects of overcurrent events. For professionals seeking a **reliable, high-performance Class R fuse block**, the Littelfuse LFR60060-3C stands out as a top-tier solution.

600V voltage rating for industrial power systems
60A current rating with 3-pole configuration
Box lug termination for secure, low-resistance connections
Class R classification for high interrupting capacity (200kA)
UL, CSA, and IEC certified for global compliance
Compact, durable design for harsh industrial environments
Ideal for motor control centers, machinery, and power panels
Littelfuse trusted brand for circuit protection reliability

Specifications

Connection Type	Box Lug
Current Rating	60 A
Poles	3P
Series	LFR
Voltage Rating	600 V

60603J

Fuse Block 600VAC 600VDC Class J 60A 3-Pole Box

LFR60060-2C

600V CLASS R BLOCK 60A 2P BOX LUG TERM

1SNA110368R1200

DR4/8 SF DIN2

LFJ60060-1CIDHX

600V CLASS J BLOCK WITH INDICATION - HEX SCREWS

LFJ60030-2CIDHX

600V CLASS J BLOCK WITH INDICATION - HEX SCREWS

LFR60030-1P

600V CLASS R BLOCK 30A 1P P-PLATE TERM

LFJ60060-2C

600V CLASS J BLOCK 60A 2 POLE NON-ID

LFR60030-1S

600V CLASS R BLOCK 30A 1P SCREW TERM

Frequently Asked Questions

What voltage and ampere ratings are available for LF Series fuse blocks?

The LF Series fuse blocks are available in 250 V and 600 V ratings, with ampere ratings ranging from 0 to 600 A.

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

The leakage current for these fuse blocks is less than 0.6 mA at 600 V.

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

Class H fuse blocks have a withstand rating of 10 kA RMS SYM, while Class R fuse blocks have a rating of 200 kA RMS SYM.

What materials are used for the base, fuse clip, and box lug?

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

What is the flammability rating of the fuse block materials?

The materials used for the fuse blocks have a flammability rating of UL94 V-0.

What are the UL and CSA certification file numbers for these fuse blocks?

These fuse blocks are UL Listed under File E14721 and CSA Certified under File LR7316.

What are the recommended fuse types for Class H/K5 and Class R blocks?

For Class H/K5 blocks, recommended fuses are NLN (250V) and NLS (600V). For Class R blocks, recommended fuses are FLNR/FLNR_ID, KLNR, LLNRK (250V) and FLSR/FLSR_ID, KLSR, LLSRK/LLSRK_ID, IDSR (600V).

What wire ranges are supported for the 30 Ampere, 250V Class H fuse block?

The 30 Ampere, 250V Class H fuse block supports wire ranges of 6-14 AWG for box lugs and 10-14 AWG for pressure plates, using CU only.

What is the suggested torque for the 60 Ampere, 600V Class R box lug screws?

The suggested torque for the 60 Ampere, 600V Class R box lug hex screws is 5.6 N-m (50 in-lbs), and for slot screws is 2.8 N-m (25 in-lbs).

What wire types are compatible with the 100 Ampere, 250V Class H fuse block pressure plate?

The pressure plate on the 100 Ampere, 250V Class H fuse block is compatible with 8 AWG CU-AL wire.

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.