Littelfuse TLS003L - TLS003L is a Telecommunications fuse with an ampere rating of 3.
Littelfuse

TLS003L

Alternate Item Number: 0TLS003.TXL

UPC: 079458055757


Documents & Media
BrochureTechnical BulletinTechnical DrawingSpecification Sheet

Contact for Pricing

Minimum Qty: 500

Multiplier: 500

*Contact for lower quantities*

Overview

The Littelfuse TLS003L is a critical component for ensuring the integrity and operational continuity of telecommunications infrastructure. Engineered by Littelfuse, a globally recognized leader in circuit protection, this 3A telecommunications fuse (SKU: TLS003L) is specifically designed to safeguard sensitive electronic equipment within telecom networks from damaging overcurrent events. Its precise ampere rating of 3A makes it ideal for applications where controlled current flow is paramount, preventing catastrophic failures and minimizing downtime. In the demanding world of telecommunications, where uninterrupted service is non-negotiable, the reliability of every component is crucial. The TLS003L fuse delivers this essential reliability. It acts as a sacrificial element, designed to interrupt the flow of current when it exceeds a safe threshold, thereby protecting more expensive and vital components such as power supplies, signal processors, and data transmission modules. This proactive protection is fundamental to maintaining the high availability and performance standards expected in modern communication systems. Key benefits and features of the Littelfuse TLS003L include: * **Precise 3A Current Rating:** Ensures optimal protection for circuits designed to operate within this specific current limit. * **High-Quality Construction:** Built to Littelfuse's rigorous quality standards, guaranteeing durability and consistent performance even in challenging environmental conditions often found in data centers and network closets. * **Telecommunications Specific Design:** Tailored for the unique electrical demands and safety requirements of telecom equipment. * **Overcurrent Protection:** Effectively mitigates risks associated with short circuits and overloads, preventing equipment damage and potential fire hazards. * **Trusted Manufacturer:** Littelfuse is a brand synonymous with dependable circuit protection, offering peace of mind to engineers and system integrators. The applications for the TLS003L are extensive within the telecommunications sector. It is commonly employed in: * **Switching Equipment:** Protecting the intricate circuitry of telephone exchanges and network switches. * **Routers and Modems:** Safeguarding the power and data pathways in high-speed internet and communication devices. * **Base Stations:** Ensuring the reliable operation of cellular network infrastructure. * **Data Centers:** Providing essential protection for servers, networking gear, and power distribution units. * **Broadband Access Equipment:** Securing the components in fiber optic and cable modem termination systems. Selecting the correct fuse is a vital step in system design. The TLS003L's specifications, including its 3A rating and suitability for telecommunications applications, make it a straightforward choice for engineers designing or maintaining systems that require robust and reliable overcurrent protection. Its compact form factor also allows for easy integration into various equipment designs without compromising space. By choosing the Littelfuse TLS003L, professionals are investing in the longevity and stability of their critical telecommunications systems, ensuring that data flows smoothly and services remain uninterrupted.
  • Littelfuse TLS003L 3A Telecommunications Fuse
  • Designed for reliable circuit protection in telecom applications
  • Safeguards sensitive equipment from overcurrent conditions
  • High-quality construction from a trusted manufacturer
  • Essential for maintaining telecom infrastructure integrity

Specifications

Application
Telecommunications
Brand Name
Littelfuse
Current Rating
3 A
Special Features
Multiple mounting configurations
Sub Brand
TLS Series
Type
Current Limiting
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in
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

What technical support resources does Littelfuse offer?

Littelfuse offers a Techline with technical experts available to answer product questions, provide cross references, engineering drawings, and application assistance. They can be contacted at 1-800-TEC-FUSE or [email protected].

What types of technical products does Littelfuse manufacture?

Littelfuse manufactures a wide range of industrial electrical protection products including UL Class fuses, high-speed fuses, medium voltage fuses, solar fuses, fuse blocks, protection relays, ground-fault protection relays, motor protection devices, and arc-flash protection relays.

How can I access Littelfuse product information and sales tools?

Littelfuse provides multiple digital resources including Littelfuse University for training, a digital asset portal for marketing materials, RepFiles mobile app for product information, and the Littelfuse Business Center website for product availability, pricing, and ordering.

What marketing support does Littelfuse provide to distributors?

Littelfuse offers a Marketing to Marketing program that includes co-branded email campaigns, content sharing, marketing tool training, product launch support, and website linking. The program is free and aims to help distributors grow sales.

How can distributors participate in Littelfuse promotional programs?

Distributors can access Promotional Allowance Programs for demand generation campaigns, sales incentives, joint email campaigns, trade shows, and other brand awareness activities. Activities must be pre-approved at least 30 days in advance.

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.