Littelfuse CAP-20/5/440R - 20+5MFD 370/440V ROUND RUN CAPACITOR
Littelfuse

CAP-20/5/440R

UPC: 811068032038


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Overview

The Littelfuse CAP-20/5/440R is a high-performance round run capacitor engineered for demanding industrial motor applications, offering a dual capacitance of 20+5 MFD and a robust voltage rating of 370/440V. Designed to meet the rigorous demands of modern industrial environments, this capacitor delivers exceptional reliability, efficiency, and longevity in critical operations. Whether used in HVAC systems, compressors, pumps, or other heavy-duty machinery, the CAP-20/5/440R ensures optimal power factor correction and reliable motor starting, reducing energy waste and enhancing system performance. Industrial professionals rely on run capacitors like the Littelfuse CAP-20/5/440R to stabilize voltage levels, improve power factor, and extend the operational lifespan of electric motors. This capacitor is particularly well-suited for applications where consistent performance under fluctuating loads and harsh conditions is essential. Its round design facilitates easy installation in tight spaces, while its durable construction resists corrosion, vibration, and extreme temperatures, making it ideal for use in manufacturing plants, commercial buildings, and outdoor installations. Selecting the right run capacitor is critical to maintaining motor efficiency and preventing premature failure. The Littelfuse CAP-20/5/440R is built to meet or exceed industry standards, including UL and CE certifications, ensuring compliance with global safety and performance regulations. Its dual capacitance design (20+5 MFD) provides flexibility for a wide range of motor configurations, allowing engineers and technicians to optimize system performance without the need for multiple capacitor models. This versatility reduces inventory complexity and streamlines maintenance operations. Installation is straightforward, with clear terminal markings and a compact form factor that fits standard mounting configurations. The capacitor’s robust dielectric materials and high-quality metallized film construction minimize energy loss and heat generation, further enhancing reliability. For professionals seeking a dependable solution for power factor correction and motor support, the Littelfuse CAP-20/5/440R stands out as a trusted choice backed by decades of innovation and expertise from a leader in electrical protection and control solutions. Littelfuse’s reputation for quality and innovation makes the CAP-20/5/440R a preferred component in industries such as HVAC, refrigeration, industrial machinery, and renewable energy systems. By integrating this capacitor into your operations, you benefit from reduced downtime, lower energy costs, and improved system efficiency—all while leveraging a product that adheres to the highest standards of durability and performance.
  • Dual capacitance of 20+5 MFD for versatile motor applications
  • Voltage rating of 370/440V for robust performance in industrial environments
  • Round design for easy installation in tight spaces
  • Built to withstand harsh conditions: corrosion, vibration, and extreme temperatures
  • UL and CE certified for global compliance and safety
  • Minimizes energy loss and heat generation for improved efficiency
  • Ideal for HVAC systems, compressors, pumps, and industrial machinery
  • Trusted Littelfuse quality with decades of innovation in electrical components

Specifications

Material
Metallized Film
Series
CAP
Size
Round
Voltage Rating
370/440V
25+3MFD 370/440V OVAL RUN CAPACITOR

CAP-25/3/440

25+3MFD 370/440V OVAL RUN CAPACITOR
5MFD 370/440V ROUND RUN CAPACITOR

CAP-5/440R

5MFD 370/440V ROUND RUN CAPACITOR
50+5MFD 370/440V ROUND RUN CAPACITOR

CAP-50/5/440R

50+5MFD 370/440V ROUND RUN CAPACITOR
25+15MFD 370/440V OVAL RUN CAPACITOR

CAP-25/15/440

25+15MFD 370/440V OVAL RUN CAPACITOR
30+7.5MFD 370/440V OVAL RUN CAPACITOR

CAP-30/7.5/440

30+7.5MFD 370/440V OVAL RUN CAPACITOR
17.5 MFD 370/440V OVAL RUN CAPACITOR

CAP-17.5/440

17.5 MFD 370/440V OVAL RUN CAPACITOR
5 MFD 370/440V OVAL RUN CAPACITOR

CAP-5/440

5 MFD 370/440V OVAL RUN CAPACITOR
20+7.5MFD 370/440V ROUND RUN CAPACITOR

CAP-20/7.5/440R

20+7.5MFD 370/440V ROUND RUN CAPACITOR
35+10MFD 370/440V OVAL RUN CAPACITOR

CAP-35/10/440

35+10MFD 370/440V OVAL RUN CAPACITOR
30+5MFD 370/440V OVAL RUN CAPACITOR

CAP-30/5/440

30+5MFD 370/440V OVAL RUN CAPACITOR
35+3 MFD 370/440V ROUND RUN CAPACITOR

CAP-35/3/440R

35+3 MFD 370/440V ROUND RUN CAPACITOR
30+5 MFD 370/440V ROUND RUN CAPACITOR

CAP-30/5/440R

30+5 MFD 370/440V ROUND RUN CAPACITOR

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.