Littelfuse CAP-50/7.5/440 - 50+7.5MFD 370/440V OVAL RUN CAPACITOR
Littelfuse

CAP-50/7.5/440

UPC: 811068034551

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Specification Sheet

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Minimum Qty: 10

Multiplier: 10

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Overview

The **Littelfuse CAP-50/7.5/440 Oval Run Capacitor** is a high-performance, dual-capacitance component engineered for industrial motor applications requiring both start and run functionality. With a combined capacitance of **50+7.5 MFD (microfarads)** and a robust voltage rating of **370/440V**, this capacitor delivers exceptional energy storage and power factor correction, ensuring optimal motor performance and efficiency. Designed for demanding industrial environments, the CAP-50/7.5/440 is built to withstand extreme temperatures, voltage fluctuations, and mechanical stress, providing long-term reliability and reduced maintenance costs. **Key Features and Benefits:** - **Dual-Capacitance Design:** Combines a 50 MFD run capacitor and a 7.5 MFD start capacitor in a single, space-saving oval housing, simplifying installation and reducing component count. - **High Voltage Rating (370/440V):** Supports both nominal and peak voltage conditions, ensuring stable operation in industrial power systems with variable loads. - **Durable Construction:** Engineered with high-quality dielectric materials and robust terminals to resist corrosion, moisture, and vibration, extending service life in harsh environments. - **Energy Efficiency:** Optimizes power factor correction, reducing reactive power losses and lowering electricity costs for industrial facilities. - **Wide Application Compatibility:** Suitable for single-phase induction motors, pumps, compressors, HVAC systems, and other industrial equipment requiring reliable start and run performance. **Typical Applications:** The Littelfuse CAP-50/7.5/440 Oval Run Capacitor is ideal for a variety of industrial and commercial applications, including: - **Motor-Driven Equipment:** Pumps, fans, blowers, and compressors in manufacturing, water treatment, and HVAC systems. - **Agricultural Machinery:** Irrigation systems, grain dryers, and other equipment operating in rugged outdoor conditions. - **Material Handling:** Conveyor systems, lifts, and automated machinery in warehouses and distribution centers. - **Renewable Energy:** Wind turbine auxiliary systems and solar-powered pumping stations where reliable capacitor performance is critical. **Industry-Leading Reliability:** Littelfuse is a globally recognized leader in circuit protection, power management, and energy storage solutions, with over a century of expertise in serving industrial, automotive, and electronics markets. The CAP-50/7.5/440 is manufactured to stringent quality standards, ensuring consistent performance and compliance with international certifications (e.g., UL, CE). Professionals in the electrical and mechanical trades trust Littelfuse capacitors for their precision engineering, long-term durability, and ability to enhance system efficiency. **Installation and Maintenance Considerations:** Proper installation is critical to maximizing the lifespan and performance of the CAP-50/7.5/440. Key recommendations include: - **Mounting:** Secure the capacitor in a well-ventilated area, away from direct heat sources or corrosive environments, to prevent overheating or material degradation. - **Wiring:** Follow manufacturer guidelines for wire gauge and torque specifications to ensure secure connections and prevent arcing or short circuits. - **Protection:** Use appropriate fusing and overcurrent protection to safeguard the capacitor from transient voltage spikes or overload conditions. - **Inspection:** Regularly check for signs of wear, such as bulging or electrolyte leakage, and replace the capacitor if any abnormalities are detected. **Why Choose Littelfuse?** Selecting the right capacitor for industrial motor applications requires balancing performance, durability, and cost-effectiveness. Littelfuse’s CAP-50/7.5/440 stands out for its: - **Proven Track Record:** Decades of field experience in critical applications, from heavy machinery to precision automation. - **Technical Support:** Access to Littelfuse’s global network of engineers and application specialists for troubleshooting and optimization. - **Global Supply Chain:** Reliable availability and fast lead times, ensuring minimal downtime for industrial operations. - **Sustainability:** Designs that reduce energy waste and support compliance with environmental regulations. Whether you’re retrofitting an existing system or specifying components for a new installation, the Littelfuse CAP-50/7.5/440 Oval Run Capacitor delivers the reliability and efficiency required for modern industrial applications. Trust Littelfuse to power your operations with confidence.
  • Dual-capacitance design (50+7.5 MFD) for start and run motor applications
  • Robust 370/440V voltage rating for stable operation in industrial environments
  • Durable construction resists corrosion, moisture, and vibration
  • Optimizes power factor correction to reduce energy costs
  • UL-certified and trusted by professionals for long-term reliability
70+5MFD 370/440V ROUND RUN CAPACITOR

CAP-70/5/440R

70+5MFD 370/440V ROUND RUN CAPACITOR
20+5MFD 370/440V OVAL RUN CAPACITOR

CAP-20/5/440

20+5MFD 370/440V OVAL RUN CAPACITOR
30+10MFD 370/440V ROUND RUN CAPACITOR

CAP-30/10/440R

30+10MFD 370/440V ROUND RUN CAPACITOR
80+7.5MFD 370/440V ROUND RUN CAPACITOR

CAP-80/7.5/440R

80+7.5MFD 370/440V ROUND RUN CAPACITOR
50+7.5 MFD 370/440V ROUND RUN CAPACITOR

CAP-50/7.5/440R

50+7.5 MFD 370/440V ROUND RUN CAPACITOR
7.5MFD 370/440V ROUND RUN CAPACITOR

CAP-7.5/440R

7.5MFD 370/440V ROUND RUN CAPACITOR
55MFD 370/440V OVAL RUN CAPACITOR

CAP-55/440

55MFD 370/440V OVAL RUN CAPACITOR
40 MFD 370/440V OVAL RUN CAPACITOR

CAP-40/440

40 MFD 370/440V OVAL RUN CAPACITOR
15+10MFD 370/440V ROUND RUN CAPACITOR

CAP-15/10/440R

15+10MFD 370/440V ROUND RUN CAPACITOR
15+5MFD 370/440V ROUND RUN CAPACITOR

CAP-15/5/440R

15+5MFD 370/440V ROUND RUN CAPACITOR
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

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.