Littelfuse TLS010LB - TLS010LB is a Telecommunications fuse with an ampere rating of 10.
Littelfuse

TLS010LB

Alternate Item Number: 0TLS010.TXLB

UPC: 079458061741


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Minimum Qty: 500

Multiplier: 500

*Contact for lower quantities*

Overview

The **Littelfuse TLS010LB** is a high-performance **10A telecommunications fuse** engineered to deliver robust overcurrent protection for critical telecom infrastructure. Designed for seamless integration into network equipment, data centers, and telecom systems, this fuse ensures uninterrupted service by safeguarding sensitive electronics from damaging fault currents. With Littelfuse’s reputation for precision engineering and reliability, the TLS010LB stands as a trusted solution for professionals who demand consistent performance in mission-critical applications. Telecommunications fuses like the TLS010LB are essential components in protecting power distribution networks, where even minor overcurrent events can disrupt service or damage expensive equipment. The **10A rating** makes it ideal for low-to-medium current applications, such as protecting line cards, power supplies, and signal processing units in central offices, cell towers, and enterprise networks. Its compact design allows for easy installation in tight spaces, while its robust construction ensures long-term durability in demanding environments. Key features of the TLS010LB include: - **High interrupt rating** to safely handle fault currents without failure. - **Fast-acting response** to minimize downtime during transient overcurrent events. - **Low resistance** for minimal power loss and efficient operation. - **Compliance with telecom standards** (e.g., Telcordia, ITU-T) for global compatibility. - **UL and cULus certifications** for safety and regulatory adherence. Professionals in the telecom industry rely on Littelfuse for fuses that combine reliability with performance. The TLS010LB is part of Littelfuse’s extensive portfolio of circuit protection solutions, trusted by engineers and technicians worldwide. Whether deployed in legacy systems or next-generation 5G infrastructure, this fuse provides the dependable protection needed to maintain network integrity. Installation is straightforward, with options for panel mounting or direct insertion into fuse holders, making it a versatile choice for both new installations and retrofits. For telecom operators, data center managers, and equipment manufacturers, the TLS010LB represents a cost-effective way to enhance system reliability. By preventing catastrophic failures and reducing maintenance costs, it contributes to improved operational efficiency and customer satisfaction. Littelfuse’s commitment to innovation and quality ensures that the TLS010LB meets the evolving demands of modern telecom networks, making it a preferred choice for professionals who prioritize safety and performance.
  • 10A current rating for telecom power distribution
  • Fast-acting response to prevent equipment damage
  • Compact design for easy installation in tight spaces
  • UL and cULus certified for global compliance
  • Trusted by telecom professionals for mission-critical applications

Specifications

Application
Telecommunications
Brand Name
Littelfuse
Current Rating
10 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.