Littelfuse TLS090LS - TLS090LS is a Telecommunications fuse with an ampere rating of 90.
Littelfuse

TLS090LS

Alternate Item Number: 0TLS090.TXLS

UPC: 079458162226

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Minimum Qty: 500

Multiplier: 500

*Contact for lower quantities*

Overview

The **Littelfuse TLS090LS 90A Telecommunications Fuse** is a high-performance, precision-engineered overcurrent protection solution designed for critical telecom infrastructure. As a trusted component in telecommunications, data centers, and network equipment, this fuse delivers uncompromising reliability where circuit integrity is paramount. With a **90A current rating**, the TLS090LS is engineered to safeguard sensitive telecom systems against damaging overcurrent events, ensuring continuous operation and minimizing downtime in high-stakes environments. Telecommunications fuses like the TLS090LS are the unsung heroes of modern communication networks, providing a critical safety barrier between power sources and sensitive electronics. Unlike standard fuses, telecom fuses are specifically designed to meet the unique demands of communication systems, including rapid response to fault conditions, low let-through energy, and compliance with stringent industry standards. The TLS090LS excels in these areas, offering **fast-acting protection** that isolates faults before they escalate into costly equipment failures or service disruptions. **Key Features and Benefits:** - **High Current Rating (90A):** Ideal for primary protection in telecom power distribution systems, central offices, and data center power feeds. - **Precision Performance:** Engineered for fast response to overcurrent conditions, reducing stress on downstream components and extending equipment lifespan. - **Robust Construction:** Built to withstand harsh environmental conditions, including vibration, temperature fluctuations, and electrical stress common in telecom installations. - **Industry Compliance:** Meets rigorous telecom standards, including **UL 248-14** and **IEC 60127**, ensuring compatibility with global telecom infrastructure. - **Easy Installation:** Designed for seamless integration into fuse blocks, panels, and distribution units, reducing deployment time and labor costs. The **TLS090LS** is particularly well-suited for applications such as: - **Telecom Central Offices:** Protecting power distribution circuits that serve critical communication equipment. - **Data Centers:** Safeguarding server racks, network switches, and storage systems from power surges and faults. - **Network Equipment:** Ensuring reliability in routers, switches, and transmission systems where uptime is non-negotiable. - **Industrial Telecommunications:** Supporting factory automation, SCADA systems, and remote monitoring applications. Professionals in the telecom industry rely on **Littelfuse** for its decades of expertise in circuit protection solutions. With a global reputation for innovation and quality, Littelfuse fuses are trusted by engineers and technicians worldwide to deliver consistent performance in mission-critical applications. The **TLS090LS** exemplifies this commitment, offering a balance of **high current capacity, fast response, and durability**—making it an essential component for any telecom power protection strategy. When selecting a telecommunications fuse, consider factors such as **current rating, response time, environmental durability, and compliance standards**. The **TLS090LS** checks all these boxes, providing peace of mind in applications where reliability is paramount. Whether you're designing a new network, upgrading existing infrastructure, or performing routine maintenance, this fuse ensures your systems remain protected against the unpredictable nature of electrical faults. For telecom operators, data center managers, and network engineers, the **Littelfuse TLS090LS 90A Telecommunications Fuse** is more than just a component—it’s a safeguard for your most valuable assets. Invest in protection that matches the critical nature of your operations. Trust Littelfuse to deliver the performance and reliability your telecom systems demand.
  • 90A current rating for primary telecom power protection
  • Fast-acting response to overcurrent conditions
  • Compliant with UL 248-14 and IEC 60127 standards
  • Robust design for harsh telecom environments
  • Easy installation in fuse blocks and distribution units

Specifications

Application
Telecommunications
Brand Name
Littelfuse
Current Rating
90 A
Series
TLS
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 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
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

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.