Littelfuse LFT600302S - The new Littelfuse Class T fuse blocks offer many advantages over previous generations that are noted in the features and benefits section. Of particular value is the space savings these new blocks provide.
Littelfuse

LFT600302S

Alternate Item Number: LFT600302S

UPC: 079458938647

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BrochureTechnical DrawingSpecification Sheet

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Overview

The **Littelfuse Class T Fuse Block LFT600302S** represents a breakthrough in industrial circuit protection, combining next-generation design with proven reliability to meet the demands of modern power distribution systems. As part of Littelfuse’s esteemed Class T fuse block series, this compact yet robust solution delivers unparalleled space efficiency without sacrificing performance or compliance with stringent industry standards. Engineered for professionals who prioritize both safety and operational efficiency, the LFT600302S is ideal for applications where panel real estate is at a premium but protection cannot be compromised. **Superior Space Efficiency for Demanding Environments** One of the most compelling advantages of the Littelfuse Class T Fuse Block LFT600302S is its **space-saving design**, which addresses a critical challenge in industrial panel layouts. Traditional fuse blocks often require significant mounting space, leading to cluttered control panels and increased installation complexity. The LFT600302S mitigates this issue with a **compact footprint** that allows for denser component packing while maintaining full compliance with UL and IEC standards for circuit protection. This innovation is particularly valuable in sectors such as **manufacturing, automation, renewable energy, and transportation**, where control panels are often constrained by size limitations. By reducing the physical footprint of fuse protection, engineers can optimize panel layouts, improve airflow, and simplify maintenance access—all while ensuring robust fault protection. **Advanced Protection with Proven Reliability** The LFT600302S leverages Littelfuse’s decades of expertise in high-performance fuse technology, offering **superior fault interruption and thermal stability** compared to legacy fuse blocks. Class T fuses are renowned for their ability to handle high fault currents while providing precise time-current characteristics, making them indispensable in applications prone to transient overloads or short circuits. The LFT600302S fuse block is designed to accommodate Class T fuses, which are widely recognized for their **fast-acting response** and **high interrupting rating**, ensuring rapid fault isolation to prevent equipment damage. Whether deployed in **motor control centers, power distribution units, or renewable energy inverters**, this fuse block delivers consistent performance even in harsh operating conditions, including extreme temperatures and vibration-prone environments. **Seamless Integration and Maintenance** Designed with **installation efficiency** in mind, the Littelfuse Class T Fuse Block LFT600302S features **user-friendly mounting options** and **tool-less fuse replacement**, reducing downtime during maintenance or upgrades. The block’s **modular construction** allows for easy integration into existing systems, while its **clear labeling and color-coded terminals** simplify identification and troubleshooting. For professionals working in **24/7 industrial operations**, these features translate to **minimized downtime** and **lower total cost of ownership**. Additionally, the LFT600302S is engineered to meet **UL 248 and IEC 60269** standards, providing peace of mind for compliance-driven industries such as **oil and gas, mining, and heavy machinery**. **Why Choose Littelfuse for Industrial Protection?** Littelfuse is a **global leader in circuit protection**, with a reputation for innovation and reliability spanning over a century. The company’s Class T fuse blocks, including the LFT600302S, are trusted by engineers worldwide for their **durability, precision, and adherence to global safety standards**. Unlike generic or off-brand alternatives, Littelfuse products undergo rigorous testing to ensure they perform under real-world conditions, including **high inrush currents, voltage spikes, and prolonged exposure to contaminants**. For industries where **safety, uptime, and regulatory compliance** are non-negotiable, choosing Littelfuse means investing in a solution that reduces risk while maximizing operational efficiency. **Key Applications** The Littelfuse Class T Fuse Block LFT600302S is purpose-built for a wide range of industrial applications, including: - **Control panels** for machinery and automation systems - **Power distribution units** in manufacturing facilities - **Renewable energy systems**, such as solar inverters and wind turbine controllers - **Transportation systems**, including rail, marine, and electric vehicle charging stations - **Oil and gas equipment**, where hazardous environments demand robust protection With its **space-saving design, advanced fault protection, and Littelfuse’s trusted reliability**, the LFT600302S is the ideal choice for engineers and technicians seeking a **high-performance, cost-effective fuse block** that meets the challenges of modern industrial environments.
  • Space-saving design optimizes panel layouts and reduces installation footprint
  • Accommodates Class T fuses for superior fault interruption and thermal stability
  • Meets UL 248 and IEC 60269 standards for industrial-grade reliability
  • Tool-less fuse replacement and modular construction for easy maintenance
  • Ideal for control panels, power distribution, and renewable energy systems

Specifications

Brand Name
Littelfuse
Series
Class T
Special Features
Universal mounting holes
Standard
UL Listed and CSA Certified RoHS
Sub Brand
LFT Series
Type
Fuse Block
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
BB18 is a three-phase busbar terminal power feed lug, which is intended for use with LPSM/LPSC series fuse holders. See datasheet for more detailed specifications.

BB18

BB18 is a three-phase busbar terminal power feed lug, which is intended for use with LPSM/LPSC series fuse holders. See datasheet for more detailed specifications.
D4/8.SFT2.I.ADO

1SNA399777R1200

D4/8.SFT2.I.ADO
2000W 5V 150A 24V 10A 2-12V 1P

SH20-P3T53J4

2000W 5V 150A 24V 10A 2-12V 1P

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.