Littelfuse KLDR17.5HXP - KLDR17.5 is a Class CC fuse with an ampere rating of 17.5.
Littelfuse

KLDR17.5HXP

Alternate Item Number: KLDR17.5HXP

UPC: 079458793178

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Overview

The **Littelfuse KLDR17.5HXP** is a high-performance **Class CC fuse** engineered for **industrial circuit protection**, offering a precise **17.5A rating** to safeguard critical electrical systems. Designed for reliability and durability, this fuse is a trusted solution for engineers and technicians requiring fast-acting overcurrent protection in demanding environments. Whether deployed in **power distribution systems, motor controls, or control panels**, the KLDR17.5HXP ensures optimal performance while minimizing equipment damage and costly downtime. Class CC fuses, such as the KLDR17.5HXP, are widely recognized in industrial applications for their **compact size, high interrupting rating, and precise time-current characteristics**. These fuses are specifically designed to meet the rigorous demands of modern industrial electrical systems, where reliability and safety are paramount. The **17.5A rating** makes it ideal for protecting circuits in machinery, automation systems, and other high-performance electrical installations where consistent current flow is essential. Key features of the Littelfuse KLDR17.5HXP include: - **Fast-acting protection** against overcurrent conditions, reducing the risk of equipment failure - **High interrupting rating** to safely handle fault currents in industrial environments - **Compact and space-efficient design**, compatible with Class CC fuse holders and panels - **Precision ampere rating** (17.5A) for accurate circuit protection tailored to specific applications - **Robust construction** to withstand harsh industrial conditions, including vibration and temperature fluctuations The KLDR17.5HXP is part of Littelfuse’s **KLDR series**, a trusted line of fuses known for their **superior performance and adherence to industry standards**. Littelfuse, a global leader in circuit protection solutions, has built a reputation for delivering high-quality products that meet the stringent requirements of engineers and facility managers. Whether used in **manufacturing plants, commercial buildings, or renewable energy systems**, this fuse provides the reliability and safety needed to maintain operational continuity. For professionals selecting circuit protection devices, the KLDR17.5HXP offers a **cost-effective, high-performance solution** that aligns with best practices in electrical safety. Its **compliance with UL and other regulatory standards** ensures peace of mind in critical applications. Installation is straightforward, with compatibility across standard Class CC fuse holders, making it a versatile choice for retrofits or new installations. By choosing Littelfuse, users gain access to a **proven track record of innovation and reliability**, ensuring long-term protection for their electrical infrastructure.
  • 17.5A ampere rating for precise circuit protection
  • Class CC design for compact and high-performance applications
  • Fast-acting overcurrent protection to minimize equipment damage
  • High interrupting rating for industrial fault current handling
  • Compatible with standard Class CC fuse holders and panels

Specifications

Application
Transformer Protection
Brand Name
Littelfuse
Current Rating
17.5 A
Series
KLDR
Special Features
Time-Delay
Standard
248-4 UL Listed, Class CC
Sub Brand
POWR-GARD KLDR Series
Type
Class CC
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Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
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
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

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.