Littelfuse FLSR080 - FLSR080 is a Class RK5 fuse with an ampere rating of 80 and knife-blade-style construction.
Littelfuse

FLSR080

Alternate Item Number: FLSR080.V

UPC: 079458170801


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Overview

The Littelfuse FLSR080 is a high-performance Class RK5 fuse engineered to provide robust and reliable overcurrent protection for critical industrial applications. With a substantial 80-ampere rating and a secure knife-blade-style construction, this fuse is designed for demanding electrical environments where dependable circuit interruption is paramount. Littelfuse, a globally recognized leader in circuit protection, delivers exceptional quality and innovation with the FLSR080, ensuring peace of mind for engineers and maintenance professionals. This Class RK5 fuse offers superior performance characteristics, including a high interrupting rating (IR) that effectively mitigates the damaging effects of severe short circuits. Its design prioritizes safety and operational continuity, making it an ideal choice for safeguarding valuable equipment and personnel. The knife-blade terminals ensure a positive, low-resistance connection, minimizing heat buildup and maximizing electrical efficiency within power distribution panels, motor control centers, and heavy machinery. The FLSR080's construction is built to withstand the rigors of industrial settings, offering durability and long-term reliability. Key applications for the Littelfuse FLSR080 include: * **Motor Control Circuits:** Protecting electric motors from overloads and short circuits, preventing costly downtime and repairs. * **Power Distribution Systems:** Safeguarding transformers, switchgear, and branch circuits in industrial facilities. * **Industrial Machinery:** Providing essential protection for a wide range of manufacturing equipment. * **HVAC Systems:** Ensuring the reliable operation of large-scale heating, ventilation, and air conditioning units. When selecting fuses for industrial applications, factors such as voltage rating, interrupting rating, time-current characteristics, and physical dimensions are crucial. The FLSR080 is designed to meet these stringent requirements, offering a balance of protection and operational flexibility. Its adherence to industry standards underscores its suitability for diverse industrial electrical systems. Choosing Littelfuse means investing in a legacy of trusted circuit protection solutions, where every product is manufactured with precision and subjected to rigorous quality control. The FLSR080, with its robust design and proven performance, stands as a testament to this commitment, offering an essential layer of safety and reliability for your most critical electrical infrastructure.
  • Littelfuse FLSR080 Class RK5 fuse
  • 80 Ampere (80A) current rating
  • Knife-blade style terminals for secure connection
  • Designed for industrial overcurrent protection
  • High interrupting rating (IR) for safety

Specifications

Application
General Purpose
Brand Name
Littelfuse
Special Features
Time-Delay
Standard
Standard 248-12 UL Listed/CSA
Sub Brand
POWR-GARD FLSR Series
Type
Class RK5
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

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.