Authorized Littelfuse Distributor
Littelfuse CAP-45/5/440 - 45+5 MFD 370/440V OVAL RUN CAPACITOR

Littelfuse CAP-45/5/440 45+5 MFD 370/440V OVAL RUN CAPACITOR

UPC: 811068034438


Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Littelfuse CAP-45/5/440 Oval Run Capacitor is a critical component engineered for optimal performance and reliability in demanding industrial motor applications. This dual-run capacitor, featuring a combined capacitance of 45+5 MFD and a versatile voltage rating of 370/440V, is designed to provide the necessary starting and running torque for a wide array of electric motors. Its robust construction ensures stable operation even under fluctuating electrical loads and challenging environmental conditions, making it an indispensable part of systems where consistent motor function is paramount. This capacitor plays a vital role in enhancing motor efficiency by improving the power factor and reducing current draw. By supplying the correct phase shift, it enables single-phase motors to start smoothly and run efficiently, thereby extending motor lifespan and minimizing energy consumption. The dual-value design is particularly advantageous for applications requiring different capacitance values for starting and running phases, such as in HVAC systems, industrial pumps, compressors, and various types of manufacturing machinery. The oval form factor of the CAP-45/5/440 is a practical design choice, facilitating easier installation in compact spaces often found within industrial equipment enclosures. Its durable casing protects the internal components from dust, moisture, and vibration, ensuring long-term operational integrity. Littelfuse is a globally recognized leader in circuit protection and power control solutions, and the CAP-45/5/440 Oval Run Capacitor upholds this reputation for quality and dependability. When selecting a run capacitor, professionals consider factors such as capacitance tolerance, voltage rating, temperature range, and physical dimensions to ensure compatibility and optimal performance with the specific motor and application. The 370/440V rating offers flexibility, allowing it to be used in systems designed for either voltage, a common scenario in industrial settings with diverse power infrastructures. This capacitor is an ideal replacement for worn or failed units in existing equipment, ensuring minimal downtime and restoring full operational capacity. Its precise capacitance values are crucial for preventing motor overheating, reducing starting current, and maintaining consistent operating speeds, all of which contribute to overall system reliability and cost-effectiveness. Trust the Littelfuse CAP-45/5/440 for superior electrical performance and enduring reliability in your critical industrial motor applications.
  • Dual-value capacitance: 45+5 MFD for optimized motor starting and running.
  • Versatile voltage rating: 370/440V accommodates a wide range of industrial power systems.
  • Oval design for efficient space utilization and easy installation.
  • Durable construction for reliable operation in demanding industrial environments.
  • Enhances motor efficiency, reduces energy consumption, and extends motor lifespan.

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
CAPACITOR CMRW60D34 P0 B TDEXP

RCP-60/400V

CAPACITOR CMRW60D34 P0 B TDEXP
80+5MFD 370/440V OVAL RUN CAPACITOR

CAP-80/5/440

80+5MFD 370/440V OVAL RUN CAPACITOR
80MFD 370/440V ROUND RUN CAPACITOR

CAP-80/440R

80MFD 370/440V ROUND RUN CAPACITOR
50 MFD 370/440V ROUND RUN CAPACITOR

CAP-50/440R

50 MFD 370/440V ROUND RUN CAPACITOR
60+5 MFD 370/440V ROUND RUN CAPACITOR

CAP-60/5/440R

60+5 MFD 370/440V ROUND RUN CAPACITOR
50+5MFD 370/440V OVAL RUN CAPACITOR

CAP-50/5/440

50+5MFD 370/440V OVAL RUN CAPACITOR
55+15MFD 370/440V ROUND RUN CAPACITOR

CAP-55/15/440R

55+15MFD 370/440V ROUND RUN CAPACITOR

Frequently Asked Questions

What is the rated AC voltage for HCK series capacitors?

The rated AC voltage for HCK series capacitors is 370 and 440 V ac. Alternative voltages may be available by contacting the factory.

What is the operating temperature range for these capacitors?

These capacitors can operate in a temperature range of -40 °C to 70 °C (-40 °F to 158 °F), with a maximum of 70 °C.

What is the capacitance tolerance for HCK series capacitors?

The capacitance tolerance available for HCK series capacitors is 3%.

What is the expected operating life of these capacitors?

The HCK series capacitors have an operating life of 22,000 hours with 94% survival. An operating life of 60,000 hours is also available.

What type of terminals are used for connection?

The capacitors feature coil terminal connections with .0250” x 0.032” quick connect terminals.

What is the dissipation factor for HCK capacitors?

The dissipation factor for HCK series capacitors is a maximum of 0.1%.

What is the leakage current rating for these capacitors?

The maximum leakage current for HCK series capacitors is 30 uA.

What is the construction material of the capacitor case?

The capacitor case is made of unpainted aluminum construction.

How are these capacitors mounted?

The HCK series capacitors are designed for strap mounting.

What is the internal protection capability of the capacitors?

The capacitors have a UL recognized internal protection bridge capable of interrupting up to 10k amps.

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.