Littelfuse CAP-20/5/440 - 20+5MFD 370/440V OVAL RUN CAPACITOR
Littelfuse

CAP-20/5/440

UPC: 811068033912

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Overview

The Littelfuse CAP-20/5/440 Oval Run Capacitor is a high-performance, dual-capacitance solution engineered for demanding industrial motor applications. Designed with a combined capacitance of 20+5 microfarads (MF) and a robust 440V voltage rating, this capacitor delivers reliable performance in environments where operational stability and efficiency are critical. Built to Littelfuse’s rigorous quality standards, the CAP-20/5/440 is ideal for use in motors, pumps, HVAC systems, compressors, and other industrial machinery where consistent power factor correction and phase balancing are required. Oval run capacitors like the Littelfuse CAP-20/5/440 are essential components in single-phase and three-phase motor systems, providing the necessary starting torque and continuous run-time support. The oval form factor is specifically engineered to optimize space utilization in control panels and motor housings, making it a preferred choice for applications with tight installation constraints. Its compact design does not compromise on durability—constructed with high-quality dielectric materials and rugged casing, this capacitor is resistant to heat, vibration, and electrical stress, ensuring long-term reliability even in harsh industrial settings. Selecting the right run capacitor is crucial for motor efficiency and longevity. Professionals in industrial maintenance, electrical contracting, and OEM design rely on Littelfuse for capacitors that meet or exceed industry standards. The CAP-20/5/440 is UL-listed and designed to comply with international safety and performance regulations, providing peace of mind in critical applications. Whether used in agricultural equipment, manufacturing machinery, or commercial refrigeration systems, this capacitor ensures smooth motor operation, reduced energy consumption, and minimized downtime. Littelfuse, a global leader in circuit protection and power quality solutions, brings decades of expertise to the design and manufacturing of run capacitors. With a reputation for innovation and reliability, Littelfuse capacitors are trusted by engineers and technicians worldwide. The CAP-20/5/440 is no exception—it combines precision engineering with field-proven performance to deliver a capacitor that professionals can depend on. Installation is straightforward, with clearly marked terminals and a durable mounting design that resists corrosion and mechanical stress. For industrial operators seeking a dependable, high-efficiency run capacitor, the Littelfuse CAP-20/5/440 offers the ideal balance of performance, durability, and space efficiency. Its dual-capacitance configuration (20 MF + 5 MF) provides flexibility for a wide range of motor types and load conditions, making it a versatile solution for both new installations and retrofits. Trust Littelfuse to power your motors with confidence—where reliability meets innovation.
  • 20+5 microfarad (MF) dual-capacitance for versatile motor applications
  • 440V voltage rating for reliable operation in high-demand environments
  • Oval design optimizes space in control panels and motor enclosures
  • Built to Littelfuse’s stringent quality standards for durability and long-term performance
  • UL-listed and compliant with international safety and performance regulations

Specifications

Series
CAP
Size
Oval
Voltage Rating
440 V

Similar Products

CAP-20/5/440R

Voltage Rating: 370/440V

Material: Metallized Film

Size: Round

CAP-25/5/440

Voltage Rating: 370/440V

Voltage Rating: 370/440 V

CAP-25/5/440R

Voltage Rating: 370/440V

Size: Round

CAP-30/5/440

Voltage Rating: 370/440 V

Mounting Type: Versatile mounting options

CAP-30/5/440R

Voltage Rating: 370/440 VAC

Size: Round

Material: Poly

CAP-40/5/440

Voltage Rating: 370/440 V

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.