Littelfuse KLDR020.HXP - KLDR020 is a Class CC fuse with an ampere rating of 20.
Littelfuse

KLDR020.HXP

Alternate Item Number: KLDR020.HXP

UPC: 079458793185


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Overview

The **Littelfuse KLDR020.HXP** is a high-performance **Class CC fuse** designed to deliver precise overcurrent protection in demanding industrial environments. With a **20A ampere rating**, this fuse is engineered to safeguard critical power distribution systems, motor control circuits, and control panels against damaging fault conditions. As part of Littelfuse’s industry-leading circuit protection portfolio, the KLDR020.HXP combines fast-acting response with robust construction to minimize equipment downtime and reduce the risk of catastrophic failures in high-performance applications. Class CC fuses are widely recognized for their compact design, high interrupting rating, and compatibility with modern industrial systems. The **KLDR020.HXP** adheres to stringent UL and CSA standards, ensuring reliable performance in compliance with NFPA 70 (NEC) and other regulatory frameworks. Its **20A rating** makes it ideal for protecting branch circuits, transformers, and sensitive electronic loads where consistent current limiting is essential. Whether installed in manufacturing plants, commercial buildings, or renewable energy systems, this fuse provides a dependable barrier against overcurrent events that could compromise system integrity. **Key Applications:** - **Motor control centers** – Protects motors and associated control wiring from overloads and short circuits. - **Power distribution panels** – Safeguards feeder circuits and branch distribution in industrial facilities. - **Control panels and automation systems** – Ensures reliable operation of PLCs, relays, and other control components. - **Renewable energy systems** – Provides overcurrent protection in solar inverters, battery storage, and wind turbine controllers. - **HVAC systems** – Shields compressors, fans, and control circuits from fault conditions. Engineered for **fast response times**, the KLDR020.HXP interrupts fault currents quickly to prevent thermal damage and arc flash hazards. Its **time-current characteristics** are optimized for applications requiring precise coordination with upstream and downstream protective devices, supporting selective coordination strategies in complex electrical systems. The fuse’s **Class CC footprint** ensures compatibility with a wide range of panelboards and fuse holders, simplifying upgrades and retrofits in existing installations. Littelfuse, a global leader in circuit protection solutions, has built a reputation for innovation and reliability across industrial, commercial, and residential markets. With decades of expertise in fuse technology, the company delivers products that meet the rigorous demands of modern electrical systems. The **KLDR020.HXP** exemplifies this commitment, offering engineers and technicians a trusted solution for protecting mission-critical infrastructure. Whether used in a new installation or as a replacement in legacy systems, this fuse provides the performance and peace of mind required in today’s fast-paced industrial landscape. **Why Choose Littelfuse?** - **Proven reliability** – Trusted by professionals worldwide for consistent performance in harsh environments. - **Global compliance** – Meets UL, CSA, and IEC standards for international market acceptance. - **Extensive support** – Backed by Littelfuse’s technical expertise, application guides, and global distribution network. - **Sustainability focus** – Designed for long service life, reducing maintenance costs and environmental impact. For engineers, electricians, and facility managers seeking a **high-quality Class CC fuse** with a **20A rating**, the Littelfuse KLDR020.HXP delivers uncompromising protection, durability, and compliance. Its combination of performance, versatility, and manufacturer trust makes it an essential component in any robust circuit protection strategy.
  • 20A Class CC fuse for industrial overcurrent protection
  • Fast-acting interruption to prevent equipment damage
  • UL and CSA certified for compliance with NEC and global standards
  • Compact design compatible with Class CC fuse holders
  • Ideal for motor control, power distribution, and automation systems

Specifications

Application
Transformer Protection
Brand Name
Littelfuse
Current Rating
20 A
Series
KLDR
Special Features
Time-Delay
Standard
248-4 UL Listed, Class CC
Sub Brand
POWR-GARD KLDR Series
Type
Class CC
Package Weight (Imperial)
0.020 L
Package Weight (Metric)
9.200 g

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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.