Littelfuse KLDR1.25HXP - KLDR1.25 is a Class CC fuse with an ampere rating of 1.25.
Littelfuse

KLDR1.25HXP

Alternate Item Number: KLDR1.25HXP

UPC: 079458792928


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Multiplier: 100

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Overview

The **Littelfuse KLDR1.25HXP** is a high-performance **Class CC fuse** engineered for **industrial and commercial circuit protection**, delivering precise overcurrent safeguarding for sensitive electronic systems. With a **1.25A current rating**, this fuse is part of Littelfuse’s trusted **KLDR series**, renowned for its **durability, reliability, and consistent performance** in demanding environments. Designed to meet the rigorous demands of modern electrical systems, the KLDR1.25HXP ensures optimal protection for critical components while maintaining operational efficiency. **Key Features and Benefits:** - **High-Interrupting Rating:** The KLDR1.25HXP provides robust protection against short circuits and overloads, with an interrupting rating that meets or exceeds industry standards for Class CC fuses. This ensures reliable operation even in high-fault-current scenarios, preventing catastrophic equipment failure. - **Fast-Acting Response:** Engineered for rapid response to overcurrent conditions, this fuse minimizes downtime and reduces the risk of damage to sensitive electronics, such as power supplies, control systems, and automation equipment. Its fast-acting design is ideal for protecting components where even minor overcurrents can lead to costly failures. - **Compact and Space-Efficient:** The **Class CC form factor** of the KLDR1.25HXP allows for easy integration into tight spaces, making it a preferred choice for modern control panels and electrical enclosures where space optimization is critical. Its compact design does not compromise on performance, ensuring reliable protection without sacrificing system design flexibility. - **Durable Construction:** Built with high-quality materials, the KLDR1.25HXP is designed to withstand harsh industrial environments, including exposure to vibration, temperature fluctuations, and electrical stress. This durability translates to **long service life** and reduced maintenance requirements, lowering total cost of ownership for businesses. - **Wide Application Compatibility:** The KLDR series is widely adopted across multiple industries, including **manufacturing, telecommunications, renewable energy, and data centers**, where reliable circuit protection is non-negotiable. Whether used in **power distribution panels, motor control centers, or industrial machinery**, this fuse delivers consistent performance across diverse applications. **Industry-Leading Protection for Critical Systems:** In today’s industrial landscape, **electrical systems are more complex and sensitive than ever**, making overcurrent protection a top priority. The **Littelfuse KLDR1.25HXP** addresses this need by providing **precise, fast-acting protection** tailored for **Class CC applications**. Its **1.25A rating** makes it particularly suitable for protecting low-current circuits, such as those found in **sensors, relays, and control circuits**, where even minor overcurrents can disrupt operations. **Why Choose Littelfuse?** Littelfuse is a **global leader in circuit protection solutions**, with a reputation for innovation, quality, and reliability. The **KLDR series**, including the KLDR1.25HXP, is a testament to the company’s commitment to delivering **high-performance fuses** that engineers and technicians can trust. With decades of experience in the industry, Littelfuse’s products are designed to meet the evolving needs of modern electrical systems, ensuring **safety, efficiency, and peace of mind** for professionals across multiple sectors. **Typical Applications:** - **Power Supplies:** Protecting sensitive power conversion and distribution systems from overcurrent events. - **Control Systems:** Safeguarding PLCs, HMIs, and other automation components in industrial environments. - **Telecommunications:** Ensuring reliable operation of network infrastructure, including routers, switches, and servers. - **Renewable Energy:** Providing protection in solar inverters, wind turbine controllers, and battery management systems. - **Data Centers:** Shielding critical IT equipment from power surges and faults to maintain uptime and data integrity. **Installation and Compatibility:** The KLDR1.25HXP is designed for **easy installation** in standard Class CC fuse holders, making it a seamless upgrade or replacement for existing systems. Its **compatibility with a wide range of fuse blocks and panels** ensures flexibility in system design. Engineers and technicians can rely on its **consistent performance** across different configurations, reducing the risk of misapplication and ensuring long-term reliability. **Why the KLDR1.25HXP Stands Out:** Unlike generic fuses, the **Littelfuse KLDR1.25HXP** is backed by **rigorous testing and industry certifications**, including **UL, CSA, and CE marks**, ensuring compliance with global safety standards. Its **high-quality construction** and **proven performance** make it a preferred choice for professionals who demand **uncompromising protection** for their critical systems. Whether deployed in **manufacturing plants, commercial buildings, or renewable energy facilities**, this fuse delivers the **reliability and precision** needed to keep operations running smoothly.
  • 1.25A Class CC fuse for precise industrial circuit protection
  • High-interrupting rating for robust short-circuit protection
  • Fast-acting response to minimize equipment damage
  • Compact Class CC form factor for space-efficient installations
  • Trusted Littelfuse quality with UL, CSA, and CE certifications

Specifications

Application
Transformer Protection
Brand Name
Littelfuse
Current Rating
1.25 A
Series
KLDR
Size
Class CC
Special Features
Time-Delay
Standard
248-4 UL Listed, Class CC
Sub Brand
POWR-GARD KLDR Series
Type
Class CC

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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.