Littelfuse CAP-55/5/440 - 55+5MFD 370/440V OVAL RUN CAPACITOR
Littelfuse

CAP-55/5/440

UPC: 811068034599


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Specification Sheet

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Multiplier: 10

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Overview

The Littelfuse CAP-55/5/440 is a high-performance dual-section oval run capacitor engineered to meet the rigorous demands of industrial motor applications. This capacitor boasts a combined capacitance of 55µF and 5µF, providing essential starting and running support for a wide range of electric motors. With a robust voltage rating of 370/440V, it is designed for reliable operation in diverse industrial environments, ensuring consistent performance even under fluctuating electrical conditions. This capacitor plays a critical role in optimizing motor efficiency and longevity. Its primary functions include phase correction, which helps to improve the power factor of the motor, leading to reduced energy consumption and lower operating costs. Additionally, the 5µF section is specifically designed to assist with motor starting, providing the necessary torque to overcome inertia and bring the motor up to speed quickly and efficiently. The 55µF section ensures smooth and continuous running operation, maintaining optimal performance throughout the motor's duty cycle. The oval form factor of the CAP-55/5/440 is a common design for motor run capacitors, facilitating easy installation in standard motor mounting brackets and enclosures. Its construction prioritizes durability and reliability, utilizing high-quality dielectric materials and robust terminals to withstand the thermal and electrical stresses inherent in motor operation. This makes it an ideal choice for applications such as HVAC systems, pumps, compressors, conveyors, and other industrial machinery where motor reliability is paramount. Littelfuse is a globally recognized leader in circuit protection and power control solutions, and their capacitors are built to the highest standards of quality and performance. When you select the Littelfuse CAP-55/5/440, you are investing in a component that is engineered for longevity and dependable operation. Proper selection and installation of motor run capacitors are crucial for maximizing motor lifespan and preventing premature failure. This capacitor's precise capacitance values and voltage rating ensure compatibility with a broad spectrum of industrial motors, making it a versatile and dependable component for maintenance, repair, and original equipment manufacturing (OEM) needs. Key benefits and features of the Littelfuse CAP-55/5/440 include: * **Dual Capacitance:** Offers both 55µF and 5µF sections for comprehensive motor starting and running support. * **High Voltage Rating:** Rated for 370/440V, suitable for standard industrial power systems. * **Enhanced Motor Efficiency:** Improves power factor, reducing energy waste and operational costs. * **Reliable Motor Starting:** Provides the necessary surge for efficient and quick motor startup. * **Durable Construction:** Built with high-quality materials for long-term performance in demanding industrial settings. * **Oval Form Factor:** Designed for straightforward installation in typical motor applications. * **Trusted Manufacturer:** From Littelfuse, a reputable provider of electrical components. By utilizing the Littelfuse CAP-55/5/440, industrial professionals can ensure their motor systems operate at peak efficiency, experience reduced downtime, and benefit from extended equipment life. This capacitor is an essential component for maintaining the integrity and performance of critical industrial machinery.
  • Dual-section capacitance: 55µF and 5µF for motor starting and running.
  • High voltage rating: 370/440V for industrial applications.
  • Oval form factor for easy installation in motor enclosures.
  • Enhances motor efficiency and power factor correction.
  • Durable construction by Littelfuse for reliable, long-term operation.

Specifications

Mounting Type
Oval Mounting
Series
CAP
Series
CAP-55/5/440
Size
Oval
Voltage Rating
370/440 V
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.