Littelfuse CAP-40/5/440 - 40+5 MFD 370/440V OVAL RUN CAPACITOR
Littelfuse

CAP-40/5/440

UPC: 811068034315

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Specification Sheet

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Minimum Qty: 10

Multiplier: 10

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Overview

The Littelfuse CAP-40/5/440 Oval Run Capacitor is a critical component engineered to optimize the performance and reliability of industrial electric motors. Designed for demanding operational environments, this capacitor features a dual capacitance rating of 40 MFD and 5 MFD, coupled with a robust voltage tolerance of 370/440V. This dual rating is particularly advantageous for motors requiring both starting and running torque, ensuring efficient operation across various load conditions. The oval form factor is a common design choice for many motor applications, facilitating straightforward installation in compact spaces within industrial machinery. Littelfuse, a globally recognized leader in circuit protection and power control, brings its extensive expertise to the CAP-40/5/440. This commitment to quality ensures that the capacitor meets stringent industry standards for durability, safety, and performance. Its primary function is to improve the power factor of single-phase AC motors, thereby reducing energy consumption and enhancing motor efficiency. By providing the necessary reactive power, the capacitor assists the motor in maintaining its speed and torque under load, preventing overheating and premature failure. This translates directly into lower operational costs and increased equipment lifespan. The applications for the Littelfuse CAP-40/5/440 are extensive within the industrial sector. It is an ideal choice for a wide array of equipment, including: * **HVAC Systems:** Crucial for the reliable operation of air conditioning units, furnaces, and ventilation fans in commercial and industrial buildings. * **Pumps:** Essential for maintaining consistent flow rates in water pumps, sewage pumps, and industrial fluid transfer systems. * **Compressors:** Vital for the efficient functioning of air compressors used in manufacturing, automotive repair, and other industrial processes. * **Industrial Machinery:** Applicable to various other motor-driven equipment such as conveyors, machine tools, and agricultural machinery. When selecting a run capacitor, professionals consider factors such as capacitance value, voltage rating, operating temperature range, and physical dimensions. The CAP-40/5/440's specifications make it a versatile solution for many common industrial motor configurations. Its construction is designed to withstand the thermal and electrical stresses inherent in continuous motor operation, providing stable performance over its service life. Investing in high-quality capacitors like the Littelfuse CAP-40/5/440 is a proactive measure to ensure the longevity and efficiency of your critical industrial assets, minimizing downtime and maximizing productivity. Trust in Littelfuse for dependable power solutions that drive your operations forward.
  • Dual capacitance rating of 40 MFD and 5 MFD for versatile motor starting and running support.
  • Robust voltage rating of 370/440V, suitable for a wide range of industrial power systems.
  • Oval form factor designed for easy integration into various industrial motor housings.
  • Enhances motor efficiency and power factor correction, leading to reduced energy consumption.
  • Manufactured by Littelfuse, a trusted leader in industrial electrical components.

Specifications

Series
CAP
Size
Oval
Voltage Rating
370/440 V
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.