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

CAP-55/440

UPC: 811068036319


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Minimum Qty: 10

Multiplier: 10

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Overview

The Littelfuse CAP-55/440 is a premium 55 microfarad (MFD) oval run capacitor, engineered for robust performance in demanding industrial motor applications. Operating across a versatile voltage range of 370 to 440 volts, this capacitor is a critical component for ensuring the reliable and efficient operation of a wide array of motor-driven equipment. Its robust construction and precise capacitance rating make it an ideal choice for applications requiring stable voltage regulation and enhanced motor starting torque. Designed with the rigorous demands of industrial environments in mind, the CAP-55/440 from Littelfuse offers exceptional durability and longevity. This capacitor plays a vital role in the starting and running phases of single-phase AC motors, contributing to smoother operation, reduced energy consumption, and extended motor lifespan. Its oval form factor is specifically chosen for compatibility with numerous motor designs and mounting configurations commonly found in industrial settings. Key applications for the Littelfuse CAP-55/440 include, but are not limited to: * **HVAC Systems:** Essential for the reliable operation of air conditioning units, furnaces, and ventilation fans in commercial and industrial buildings. * **Compressors:** Crucial for the starting and continuous running of air compressors used in manufacturing, workshops, and service industries. * **Pumps:** Facilitates the efficient operation of industrial water pumps, circulation pumps, and other fluid handling systems. * **Machine Tools:** Supports the motor performance of various machine tools, ensuring consistent power delivery for precision operations. * **General Industrial Motors:** A versatile component suitable for a broad spectrum of single-phase AC motor applications across different industries. Littelfuse is a globally recognized leader in circuit protection and power control solutions, renowned for its commitment to quality, innovation, and reliability. When you choose the CAP-55/440, you are selecting a component manufactured to exacting standards, ensuring peace of mind and consistent performance. The capacitor's ability to maintain stable voltage and provide the necessary starting current is paramount for preventing motor strain, overheating, and premature failure. Professionals across the industrial sector trust Littelfuse for components that deliver on performance and durability, making the CAP-55/440 a dependable choice for critical motor control circuits. Its straightforward installation and compatibility with standard motor wiring further enhance its appeal for maintenance and repair operations, minimizing downtime and maximizing operational efficiency.
  • 55 Microfarad (MFD) capacitance for optimal motor performance.
  • Dual voltage rating of 370/440V for broad application compatibility.
  • Oval form factor designed for easy integration into various motor assemblies.
  • Manufactured by Littelfuse, a trusted leader in industrial electrical components.
  • Ideal for HVAC, compressors, pumps, and general industrial motor applications.

Specifications

Capacitance Rating
55 MFD
Color
Blue
Material
Poly
Material
Premium
Series
CAP
Size
Oval
Voltage Rating
370/440V
Voltage Rating
370-440 V
30+5 MFD 370/440V ROUND RUN CAPACITOR

CAP-30/5/440R

30+5 MFD 370/440V ROUND RUN CAPACITOR
30+15MFD 370/440V ROUND RUN CAPACITOR

CAP-30/15/440R

30+15MFD 370/440V ROUND RUN CAPACITOR
35+15MFD 370/440V ROUND RUN CAPACITOR

CAP-35/15/440R

35+15MFD 370/440V ROUND RUN CAPACITOR
20+10MFD 370/440V ROUND RUN CAPACITOR

CAP-20/10/440R

20+10MFD 370/440V ROUND RUN CAPACITOR
30+7.5MFD 370/440V ROUND RUN CAPACITOR

CAP-30/7.5/440R

30+7.5MFD 370/440V ROUND RUN CAPACITOR
15+3MFD 370/440V ROUND RUN CAPACITOR

CAP-15/3/440R

15+3MFD 370/440V ROUND RUN CAPACITOR
4MFD 370/440V ROUND RUN CAPACITOR

CAP-4/440R

4MFD 370/440V ROUND RUN CAPACITOR
4MFD 370/440V OVAL RUN CAPACITOR

CAP-4/440

4MFD 370/440V OVAL RUN CAPACITOR
40+4MFD 370/440V ROUND RUN CAPACITOR

CAP-40/4/440R

40+4MFD 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.