Littelfuse KLK009 - KLK009 is a Midget fuse with an ampere rating of 9.
Littelfuse

KLK009

Alternate Item Number: 0KLK009.T

UPC: 079458250640


Documents & Media
BrochureTechnical BulletinTechnical DrawingSpecification Sheet

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Overview

The **Littelfuse KLK009 Midget Fuse** is a precision-engineered overcurrent protection device designed for industrial applications requiring reliable and compact circuit safeguarding. With a **9A current rating**, this midget fuse delivers consistent performance in environments where space constraints and high reliability are critical. Manufactured by Littelfuse—a global leader in circuit protection solutions—the KLK009 adheres to rigorous quality standards, ensuring dependable operation in mission-critical systems. This fuse is engineered for **industrial machinery, control panels, power distribution units, and automation systems**, where precise overcurrent protection is essential to prevent equipment damage, downtime, and safety hazards. Its **compact midget design** allows for seamless integration into tight enclosures, making it ideal for applications in manufacturing, automation, renewable energy, and transportation systems. Unlike standard fuses, midget fuses like the KLK009 offer a balance of high interrupting ratings and low-profile form factors, enabling efficient circuit design without compromising protection. Key features of the **Littelfuse KLK009** include: - **9A current rating** for targeted overcurrent protection in low-to-moderate load applications. - **High interrupting rating** to safely interrupt fault currents, preventing catastrophic failures. - **Fast-acting response** to minimize equipment damage during overcurrent events. - **Robust construction** with durable materials to withstand harsh industrial environments, including vibration, temperature fluctuations, and electrical stress. - **Compliance with industry standards** (e.g., UL, IEC) for global compatibility and certification. Industrial professionals choose the **KLK009** for its **proven reliability, ease of installation, and long service life**. Unlike generic fuses, Littelfuse’s midget fuses undergo rigorous testing to ensure consistent performance across varying load conditions. The fuse’s **blade-style terminals** enable quick and secure connections, reducing installation time and potential errors. Whether deployed in **motor controllers, PLCs, or power supplies**, the KLK009 provides a cost-effective solution for protecting sensitive electronics and industrial loads. Littelfuse’s reputation as a trusted provider of circuit protection solutions stems from decades of innovation and adherence to strict quality controls. The company’s **global distribution network** and **technical support** ensure that engineers and technicians can source the KLK009 with confidence, backed by comprehensive documentation and application expertise. For applications requiring **space-efficient, high-performance overcurrent protection**, the **Littelfuse KLK009 Midget Fuse** stands as a premier choice, combining durability, precision, and industry-leading reliability. Ideal for: - Industrial control panels and switchgear - Motor drives and variable frequency drives (VFDs) - Power distribution units (PDUs) in data centers - Renewable energy systems (solar inverters, wind turbines) - Transportation and railway electronics - HVAC and building automation systems
  • 9A current rating for precise overcurrent protection
  • Compact midget design for tight installation spaces
  • High interrupting rating for fault current safety
  • Fast-acting response to minimize equipment damage
  • UL/IEC compliant for global industrial applications

Specifications

Application
control circuits
Brand Name
Littelfuse
Interrupt Rating
100;50 kA;kA
Special Features
RoHS
Sub Brand
KLK Series
Type
Fast-Acting
Voltage Rating
600 VAC
Package Weight (Imperial)
0.015 L
Package Weight (Metric)
6.800 g
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.