Littelfuse KLC008 - Designed to protect today’s equipment and systems, Littelfuse semiconductor fuses are manufactured with Littelfuse-developed technology that sets tomorrow’s standards for accuracy, consistent quality, reliability, and predictable performance. By using advanced metallurgical, polymer, and materials research; mathematical modeling, and computerized statistical analysis; Littelfuse engineers have redefined “State-of-the-Art.”
Littelfuse

KLC008

Alternate Item Number: 0KLC008.T

UPC: 079458230635

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BrochureTechnical BulletinSpecification Sheet

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Overview

The **Littelfuse KLC008 semiconductor fuse** represents the pinnacle of modern overcurrent protection, engineered to safeguard sensitive electronic systems in today’s high-performance industrial environments. Designed with Littelfuse’s proprietary technology, this fuse delivers unparalleled accuracy, consistent quality, and predictable performance—setting new benchmarks in reliability for critical applications. By leveraging advanced metallurgical research, polymer science, and materials innovation, Littelfuse engineers have developed a fuse that not only meets but exceeds the demands of modern equipment, ensuring long-term protection against damaging overcurrent and voltage surges. **Key Features and Benefits:** - **State-of-the-Art Technology:** Utilizes Littelfuse-developed metallurgical, polymer, and materials research to achieve superior performance and durability. Mathematical modeling and computerized statistical analysis ensure precision in operation, reducing the risk of false tripping or inadequate protection. - **Predictable Performance:** Engineered for consistent quality and reliability, the KLC008 fuse provides predictable response times, making it ideal for applications where equipment integrity is paramount. Its design minimizes downtime and maintenance costs by preventing unnecessary interruptions. - **Wide Application Compatibility:** Suitable for a broad range of industrial applications, including power conversion systems, motor drives, renewable energy inverters, and industrial automation. The fuse’s robust construction ensures compatibility with high-stress environments, including those with frequent power fluctuations or transient events. - **Advanced Protection Mechanism:** Protects sensitive electronic components from overcurrent conditions, voltage spikes, and short circuits, extending the lifespan of critical systems. Its high interrupting rating ensures it can safely handle fault currents in demanding industrial settings. - **Manufacturer Trust and Support:** Littelfuse is a globally recognized leader in circuit protection solutions, with decades of experience in developing fuses that meet the rigorous standards of industries such as automotive, aerospace, energy, and manufacturing. The KLC008 fuse is backed by Littelfuse’s commitment to innovation and quality, providing engineers and technicians with a trusted solution for their protection needs. **Typical Applications:** The Littelfuse KLC008 semiconductor fuse is widely used in industries where equipment reliability is non-negotiable. In **power electronics**, it protects inverters, converters, and rectifiers from overcurrent events that could lead to catastrophic failure. In **industrial automation**, it safeguards PLCs, motor controllers, and variable frequency drives (VFDs) from damaging surges. The renewable energy sector relies on these fuses to protect solar inverters and wind turbine power systems, ensuring stable and efficient energy conversion. Additionally, the KLC008 is a preferred choice in **data centers, telecommunications, and medical equipment**, where uninterrupted operation is critical. **Selection and Installation Considerations:** When selecting the KLC008 fuse, professionals should consider the specific current rating, voltage rating, and interrupting capacity required for their application. Littelfuse provides comprehensive datasheets and application notes to guide engineers in choosing the correct fuse for their system. Installation should follow industry best practices, including proper mounting, adequate clearance, and adherence to electrical codes. The fuse’s compact design allows for easy integration into existing panels or enclosures, while its high-quality construction ensures long-term reliability even in harsh operating conditions. **Why Choose Littelfuse?** Littelfuse has been at the forefront of circuit protection innovation for over a century, earning a reputation for excellence in reliability, performance, and customer support. The company’s semiconductor fuses, including the KLC008, are trusted by engineers worldwide to protect mission-critical systems. With a global manufacturing footprint and a commitment to continuous improvement, Littelfuse ensures that its products meet the evolving demands of modern industries. For professionals seeking a semiconductor fuse that combines cutting-edge technology with proven reliability, the Littelfuse KLC008 is the optimal choice.
  • Advanced metallurgical and polymer research for superior performance
  • Predictable response times reduce downtime and maintenance costs
  • Wide compatibility with power electronics, automation, and renewable energy systems
  • High interrupting rating for safe fault current handling
  • Backed by Littelfuse’s global reputation for innovation and quality

Specifications

Application
Protection of Semiconductors
Brand Name
Littelfuse
Special Features
Very-Fast Acting
Standard
UL Recognized
Sub Brand
POWR-GARD KLC Series
Type
Semiconductor Fuse
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 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.