Littelfuse FLA015 - FLA fuses are 125 volt, pin-indicating time-delay fuses for protection of control circuit transformers, solenoids, and other circuits with high inrush currents. Metal indicating pin: pops-out; when fuse opens.  Pin gives visual indication of open fuse. Use FLA fuses in conjunction with special fuseblocks to operate mechanical signal switches or energize alarm circuits. Fuses rated 12 amperes and above have dual-tube construction.
Littelfuse

FLA015

Alternate Item Number: 0FLA015.V

UPC: 079458130683


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Overview

The Littelfuse FLA015 is a high-performance, 125-volt, pin-indicating time-delay fuse engineered to provide robust protection for critical industrial control circuits. Specifically designed to safeguard control circuit transformers, solenoids, and other inductive loads that experience significant inrush currents during startup, the FLA015 ensures operational reliability and prevents premature component failure. Its unique metal indicating pin is a standout feature, designed to physically pop out when the fuse opens, offering an immediate and unambiguous visual confirmation of a blown fuse. This eliminates the need for time-consuming troubleshooting and manual fuse testing, significantly reducing downtime and maintenance costs. The FLA series fuses, including the FLA015, are integral components in systems requiring precise control and signaling. They are ideally suited for integration with specialized fuseblocks that facilitate the operation of mechanical signal switches or the energization of alarm circuits. This functionality is crucial in automated manufacturing environments, process control systems, and building automation where timely alerts and system status indications are paramount. The time-delay characteristic of the FLA015 allows it to withstand temporary high inrush currents without nuisance blowing, while still providing rapid protection against sustained overcurrents and short circuits. For applications demanding enhanced durability and performance, fuses within the FLA series rated at 12 amperes and above feature a robust dual-tube construction. This design enhances the fuse's ability to handle thermal stress and electrical loads, ensuring consistent protection even under demanding operating conditions. Littelfuse, a globally recognized leader in circuit protection, brings its extensive expertise and commitment to quality to the FLA015, making it a trusted choice for engineers and maintenance professionals seeking reliable and easy-to-diagnose fuse solutions. Key benefits of the Littelfuse FLA015 include: * **Visual Indication:** The pop-out metal pin provides instant, clear visual confirmation of an open fuse, simplifying troubleshooting and reducing downtime. * **High Inrush Current Handling:** Specifically designed to accommodate the transient current demands of transformers and solenoids without nuisance tripping. * **Time-Delay Protection:** Offers protection against sustained overloads and short circuits while tolerating temporary inrush currents. * **Versatile Application:** Ideal for protecting control transformers, solenoids, and integration with signal and alarm circuits via specialized fuseblocks. * **Durable Construction:** Fuses 12A and above feature dual-tube construction for enhanced reliability in demanding environments. When selecting circuit protection for sensitive control systems, the Littelfuse FLA015 offers a compelling combination of advanced features, reliable performance, and user-friendly diagnostics. Its application extends across various industrial sectors, including manufacturing, automation, power distribution, and building management, where the integrity of control circuits is non-negotiable. Trust the FLA015 to provide the dependable protection your critical equipment requires.
  • 125V AC voltage rating for control circuit protection.
  • Time-delay characteristic for handling high inrush currents.
  • Metal indicating pin provides clear visual indication of an open fuse.
  • Ideal for protecting control circuit transformers and solenoids.
  • Dual-tube construction for fuses rated 12A and above.

Specifications

Amperage Rating
15 Amp
Application
mechanical indication
Brand Name
Littelfuse
Interrupt Rating
10kA
Interrupt Rating
10 kA
Special Features
Pin Indicating Fuse
Sub Brand
FLA
Type
Time-Delay
Voltage Rating
125 VAC
Package Weight (Imperial)
0.024 L
Package Weight (Metric)
0.011 kg

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.