Littelfuse CAP-70/7.5/440R - 70+7.5MFD 370/440V ROUND RUN CAPACITOR
Littelfuse

CAP-70/7.5/440R

UPC: 811068033639

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Specification Sheet

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Overview

The Littelfuse CAP-70/7.5/440R is a robust and reliable dual-run capacitor engineered for demanding industrial motor applications. This high-quality component, manufactured by Littelfuse, a trusted name in electrical protection and control, is designed to optimize the performance and longevity of single-phase AC motors. With a dual capacitance rating of 70 microfarads (MFD) and 7.5 microfarads (MFD), and a versatile voltage rating of 370/440 Volts AC, this round run capacitor provides the essential phase shift required for efficient motor starting and continuous operation. Single-phase motors, prevalent in a vast array of industrial equipment, rely on capacitors to create the necessary rotating magnetic field for starting and to maintain smooth running. The CAP-70/7.5/440R excels in this critical function, ensuring that motors deliver consistent torque and operate at their designed efficiency. Its dual capacitance configuration is particularly useful in applications where motors require different capacitance values for starting and running phases, or for motors with specific starting torque requirements. This dual-functionality simplifies installation and inventory for maintenance professionals. Constructed with durable materials and built to withstand the rigors of industrial environments, this Littelfuse capacitor is ideal for use in a wide spectrum of machinery. Common applications include HVAC systems (air conditioners, furnaces), refrigeration compressors, pumps, fans, and various other pieces of industrial processing and manufacturing equipment. The round form factor allows for straightforward integration into existing motor housings and electrical panels, facilitating both new installations and replacements. Key benefits of utilizing the Littelfuse CAP-70/7.5/440R include: * **Enhanced Motor Efficiency:** By providing the correct phase shift, this capacitor helps motors run more efficiently, reducing energy consumption and operational costs. * **Improved Starting Torque:** The 7.5 MFD section is optimized for motor start-up, ensuring reliable engagement even under load. * **Stable Running Performance:** The 70 MFD section ensures consistent and stable operation once the motor is running. * **Durability and Reliability:** Littelfuse components are known for their robust construction, offering long service life in challenging industrial settings. * **Versatile Voltage Compatibility:** The 370/440V rating makes it suitable for a broad range of industrial power supplies. When selecting a run capacitor, professionals consider factors such as capacitance values (in MFD), voltage rating, operating temperature range, and physical dimensions. The Littelfuse CAP-70/7.5/440R meets these critical specifications for many common industrial motor types. Its adherence to stringent quality control standards by Littelfuse ensures that users receive a component that performs as expected, minimizing downtime and maintenance issues. Trust the Littelfuse CAP-70/7.5/440R to power your industrial operations with dependable and efficient electrical performance.
  • Dual capacitance: 70 MFD and 7.5 MFD for optimal motor starting and running.
  • Voltage rating: 370/440V AC, suitable for a wide range of industrial power systems.
  • Round form factor for easy installation in motor housings and electrical panels.
  • Manufactured by Littelfuse, a trusted leader in electrical components.
  • Ideal for single-phase AC motor applications including HVAC, compressors, and pumps.

Specifications

Series
CAP
Size
Round
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.