Littelfuse TLS030L - TLS030L is a Telecommunications fuse with an ampere rating of 30.
Littelfuse

TLS030L

Alternate Item Number: 0TLS030.TXL

UPC: 079458055825


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Minimum Qty: 500

Multiplier: 500

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Overview

The **Littelfuse TLS030L Telecommunications Fuse** is a high-performance, 30-ampere-rated fuse engineered to deliver precise overcurrent protection for telecom systems, data centers, and network infrastructure. Designed for mission-critical applications, this fuse combines robust construction with Littelfuse’s industry-leading reliability to safeguard sensitive electronic components from damaging fault currents. Whether deployed in central office switches, DSLAM units, fiber optic transmission systems, or enterprise network equipment, the TLS030L ensures uninterrupted operation by interrupting fault currents before they compromise system integrity. **Key Features and Technical Advantages** The TLS030L is part of Littelfuse’s trusted telecommunications fuse portfolio, a category renowned for its adherence to stringent telecom industry standards, including ITU-T and Telcordia specifications. Its **30A rating** makes it ideal for protecting power distribution circuits in telecom racks, base stations, and customer premises equipment (CPE). The fuse’s **fast-acting response time** minimizes downtime during transient overcurrent events, while its **compact axial-lead design** enables easy integration into tight PCB layouts or fuse blocks common in modern telecom hardware. **Industry Applications and Use Cases** Telecommunications infrastructure demands components that can withstand harsh environmental conditions, frequent power cycling, and electromagnetic interference. The TLS030L excels in these environments, providing reliable protection for: - **Central Office Equipment**: Safeguarding power feeds to switches, routers, and DSLAMs. - **Data Centers and Network Closets**: Protecting PDUs, UPS systems, and network interface cards. - **Wireless Infrastructure**: Including small cell sites, macro base stations, and fiber-to-the-home (FTTH) systems. - **Industrial IoT and Edge Computing**: Ensuring stable operation of remote telecom nodes and edge servers. **Why Choose Littelfuse for Telecommunications Protection?** Littelfuse is a global leader in circuit protection, with over a century of expertise in designing fuses for telecommunications, industrial, and consumer electronics. The company’s telecommunications fuses are trusted by OEMs and service providers worldwide due to their: - **Consistent Performance**: Tight manufacturing tolerances ensure predictable clearing characteristics across batches. - **Compliance with Standards**: Meets UL 248-14, IEC 60127-2, and other telecom-specific certifications. - **Global Availability**: Supported by Littelfuse’s extensive distribution network, ensuring quick delivery for maintenance and deployment projects. - **Technical Support**: Access to application engineers for custom solutions or troubleshooting in complex telecom environments. **Installation and Maintenance Considerations** When integrating the TLS030L into telecom systems, professionals should follow best practices for fuse selection and placement. The 30A rating is typically matched to power distribution circuits with nominal currents up to 25A, accounting for inrush currents and transient loads. For optimal performance: - **Mounting**: Use fuse clips or holders rated for axial-lead components to ensure secure electrical contact. - **Environment**: Ensure the fuse is installed in a location with adequate ventilation to prevent thermal derating. - **Replacement**: Always replace with an identical Littelfuse TLS030L to maintain system compliance and safety. **Conclusion** For telecom operators, equipment manufacturers, and IT professionals seeking a **reliable, high-quality fuse** for 30A-rated circuits, the **Littelfuse TLS030L** delivers unmatched protection and peace of mind. Its proven track record in critical infrastructure, combined with Littelfuse’s commitment to innovation and quality, makes it a preferred choice for safeguarding today’s interconnected telecom networks. Whether upgrading legacy systems or deploying next-generation 5G and fiber networks, the TLS030L ensures your infrastructure remains resilient against electrical faults.
  • 30A rated telecommunications fuse for critical power distribution circuits
  • Fast-acting response to minimize downtime during fault conditions
  • Compact axial-lead design for easy integration into telecom equipment
  • Compliant with ITU-T, Telcordia, UL 248-14, and IEC 60127-2 standards
  • Trusted by OEMs and telecom operators worldwide for long-term reliability

Specifications

Application
Telecommunications
Brand Name
Littelfuse
Current Rating
30 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.