Littelfuse CAP-55/7.5/440 - 55+7.5MFD 370/440V OVAL RUN CAPACITOR
Littelfuse

CAP-55/7.5/440

UPC: 811068034636

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Specification Sheet

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Overview

The Littelfuse CAP-55/7.5/440 Oval Run Capacitor is engineered to deliver exceptional performance and reliability for a wide range of industrial motor applications. As a critical component in motor starting and running circuits, this capacitor plays a vital role in ensuring optimal motor efficiency, power factor correction, and extended operational lifespan. Its dual capacitance rating of 55 MFD and 7.5 MFD, combined with a robust voltage rating of 370/440V, makes it suitable for demanding industrial environments where consistent power delivery is paramount. This oval-shaped run capacitor is designed for applications requiring precise phase correction, which is essential for smooth motor operation and reduced energy consumption. By improving the power factor, the CAP-55/7.5/440 helps to minimize reactive power, leading to lower electricity bills and a more efficient electrical system. Its durable construction ensures it can withstand the rigors of continuous operation, vibration, and temperature fluctuations commonly found in industrial settings. Key applications for the Littelfuse CAP-55/7.5/440 include HVAC systems, industrial pumps, compressors, fans, and various other types of single-phase AC motors. Its versatility allows it to be integrated into new equipment designs or used as a direct replacement for existing, worn-out capacitors. The oval form factor offers advantages in terms of space optimization within motor enclosures or control panels, facilitating easier installation and maintenance. Littelfuse is a globally recognized leader in circuit protection and power control solutions, and their capacitors are built to the highest industry standards. Professionals trust Littelfuse for their commitment to quality, durability, and innovation. When selecting a run capacitor, factors such as capacitance, voltage rating, operating temperature, and physical dimensions are crucial. The CAP-55/7.5/440 meets these requirements for many common industrial motor configurations, providing a dependable solution for maintaining peak motor performance. Investing in high-quality components like the Littelfuse CAP-55/7.5/440 is essential for reducing downtime, preventing premature motor failure, and optimizing overall operational efficiency. This capacitor is designed to enhance energy savings and contribute to a more sustainable industrial operation. Its reliable performance ensures that motors operate at their intended speed and torque, even under varying load conditions. The 370/440V rating provides flexibility for systems operating at different voltage levels within this range, further enhancing its applicability across diverse industrial machinery. Features: * Dual capacitance: 55 MFD and 7.5 MFD for versatile motor applications. * High voltage rating: 370/440V, suitable for standard industrial power systems. * Oval design: Space-saving and easy to integrate into various motor configurations. * Enhanced motor efficiency: Improves power factor and reduces energy consumption. * Durable construction: Built to withstand demanding industrial environments. * Trusted manufacturer: Littelfuse quality and reliability.
  • Dual capacitance (55+7.5 MFD) for versatile motor starting and running.
  • Robust 370/440V rating suitable for industrial power systems.
  • Oval design optimizes space within motor enclosures and control panels.
  • Improves motor efficiency and power factor correction, reducing energy costs.
  • Durable construction ensures reliable performance in demanding industrial environments.

Specifications

Series
CAP
Size
Oval
Voltage Rating
370/440 VAC
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.