Littelfuse FLSR005 - FLSR005 is a Class RK5 fuse with an ampere rating of 5 and cartridge-style construction.
Littelfuse

FLSR005

Alternate Item Number: FLSR005.T

UPC: 079458170559

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Overview

The Littelfuse FLSR005 is a robust and reliable Class RK5 fuse engineered to provide essential overcurrent protection for a wide array of industrial applications. Manufactured by Littelfuse, a globally recognized leader in circuit protection solutions, this 5-ampere cartridge fuse (SKU: FLSR005) is designed to safeguard sensitive equipment and personnel from the damaging effects of electrical faults. Its Class RK5 rating signifies a high interrupting rating, crucial for applications where short-circuit currents can be substantial, ensuring that the fuse will safely open the circuit and prevent catastrophic damage. The cartridge-style construction of the FLSR005 offers a compact and standardized form factor, facilitating straightforward installation and replacement in fuse holders and power distribution blocks commonly found in industrial settings. This design also contributes to its durability and resistance to environmental factors that might compromise less robust fuse types. The precision with which these fuses are manufactured ensures consistent performance, a critical factor for maintaining the operational integrity of complex industrial machinery and electronic systems. Key applications for the Littelfuse FLSR005 include, but are not limited to: * **Power Distribution:** Protecting main feeders, branch circuits, and control circuits in manufacturing plants, substations, and commercial buildings. * **Industrial Machinery:** Safeguarding motors, control panels, transformers, and other critical components within production lines and automated systems. * **Electronic Equipment:** Providing essential protection for sensitive electronic devices, power supplies, and control systems where precise overcurrent detection is paramount. * **HVAC Systems:** Ensuring the reliable operation and protection of large-scale heating, ventilation, and air conditioning units. Choosing the correct fuse is a fundamental aspect of electrical system design and maintenance. The Class RK5 designation, coupled with Littelfuse's reputation for quality and innovation, makes the FLSR005 a trusted choice for engineers and maintenance professionals. Its 5A rating is suitable for circuits with moderate current demands, offering a balance between protection and operational continuity. When specifying circuit protection, understanding the load characteristics and potential fault currents is vital, and fuses like the FLSR005 are designed to meet these demanding requirements with a high degree of reliability. Littelfuse has a long-standing commitment to developing advanced safety and protection devices. The FLSR005 embodies this commitment by offering dependable performance that minimizes downtime and reduces the risk of costly equipment failures. Its straightforward integration into existing electrical infrastructure, combined with its effective protection capabilities, positions the FLSR005 as an indispensable component for maintaining safe and efficient industrial operations. Professionals rely on Littelfuse for fuses that deliver consistent performance and meet stringent industry standards, ensuring peace of mind and operational security.
  • Littelfuse FLSR005: Class RK5, 5 Ampere cartridge fuse.
  • Designed for reliable industrial circuit protection.
  • High interrupting rating for robust fault current handling.
  • Durable cartridge-style construction for easy installation.
  • Trusted Littelfuse quality for critical equipment 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
Package Weight (Imperial)
0.148 L
Package Weight (Metric)
67.100 g
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9F61 Size B Clips 1.6in

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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.

LCC5

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.