Littelfuse CAP-30/7.5/440R - 30+7.5MFD 370/440V ROUND RUN CAPACITOR
Littelfuse

CAP-30/7.5/440R

UPC: 811068032359

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Specification Sheet

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Minimum Qty: 10

Multiplier: 10

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Overview

The **Littelfuse CAP-30/7.5/440R** is a high-performance **round run capacitor** engineered for **industrial motor applications**, including HVAC systems, compressors, pumps, and other heavy-duty machinery. Designed with a **dual capacitance rating of 30+7.5 MFD** and a **voltage range of 370/440V**, this capacitor delivers reliable phase shift and power factor correction to ensure optimal motor performance in demanding environments. Built to withstand extreme temperatures, voltage fluctuations, and mechanical stress, the CAP-30/7.5/440R is a trusted solution for professionals who demand durability, efficiency, and long-term reliability. **Key Features and Benefits:** - **Dual Capacitance Design (30+7.5 MFD):** Provides precise phase shift and power factor correction for single-phase motors, improving energy efficiency and reducing operational costs. - **High Voltage Rating (370/440V):** Ensures compatibility with a wide range of industrial motors, including those in HVAC, refrigeration, and manufacturing systems. - **Rugged Construction:** Engineered for harsh industrial environments, this capacitor resists corrosion, vibration, and thermal stress, extending service life and minimizing downtime. - **Compact Round Design:** Fits easily into tight spaces while maintaining robust performance, making it ideal for retrofits and new installations. - **Littelfuse Reliability:** Backed by decades of expertise in electrical protection and power quality solutions, Littelfuse capacitors are trusted by engineers and technicians worldwide for their precision and dependability. **Typical Applications:** The **Littelfuse CAP-30/7.5/440R** is widely used in: - **HVAC Systems:** Ensures efficient operation of compressors, fans, and air handlers by maintaining proper phase balance and reducing energy consumption. - **Industrial Machinery:** Powers pumps, conveyors, and machine tools where consistent motor performance is critical. - **Refrigeration Units:** Supports refrigeration compressors in commercial and industrial settings, preventing overheating and extending equipment lifespan. - **Agricultural Equipment:** Ideal for irrigation systems, grain dryers, and other farm machinery requiring reliable capacitor performance. - **Renewable Energy Systems:** Used in wind turbines and solar power inverters to stabilize voltage and improve grid compatibility. **Why Choose Littelfuse?** Littelfuse is a global leader in circuit protection, power management, and electrical components, with a reputation for innovation and quality. The **CAP-30/7.5/440R** is part of their extensive lineup of **run capacitors**, designed to meet the rigorous demands of industrial applications. Professionals choose Littelfuse for: - **Proven Performance:** Decades of field experience ensure capacitors like the CAP-30/7.5/440R deliver consistent results in real-world conditions. - **Global Support:** With a vast distribution network and technical expertise, Littelfuse provides reliable service and supply chain stability. - **Compliance and Safety:** All Littelfuse capacitors meet or exceed industry standards, including UL, CE, and RoHS certifications, ensuring safe and compliant installations. - **Cost-Effective Solutions:** By optimizing motor efficiency and reducing energy waste, this capacitor helps lower operational costs over its lifespan. **Installation and Maintenance Tips:** - **Proper Sizing:** Always match the capacitor’s capacitance and voltage rating to the motor’s specifications to avoid overloading or underperformance. - **Secure Mounting:** Ensure the capacitor is mounted in a well-ventilated area, away from direct heat sources or moisture, to prevent premature failure. - **Regular Inspection:** Check for signs of swelling, leakage, or corrosion during routine maintenance. Replace capacitors if they show visible damage or fail performance tests. - **Professional Installation:** While capacitors are straightforward to install, consulting a licensed electrician ensures compliance with local codes and optimal system performance. Whether you’re upgrading an existing system or designing a new installation, the **Littelfuse CAP-30/7.5/440R** provides the reliability and efficiency required for critical industrial applications. Trust Littelfuse to deliver the power quality solutions your operations depend on.
  • Dual capacitance: 30+7.5 MFD for optimal phase shift
  • Voltage rating: 370/440V for industrial motor compatibility
  • Rugged construction for harsh environments
  • Compact round design for easy installation
  • Trusted Littelfuse quality with global support

Specifications

Material
Poly
Series
CAP
Size
Round
Voltage Rating
370/440 VAC
30+5 MFD 370/440V ROUND RUN CAPACITOR

CAP-30/5/440R

30+5 MFD 370/440V ROUND RUN CAPACITOR
30+15MFD 370/440V ROUND RUN CAPACITOR

CAP-30/15/440R

30+15MFD 370/440V ROUND RUN CAPACITOR
35+15MFD 370/440V ROUND RUN CAPACITOR

CAP-35/15/440R

35+15MFD 370/440V ROUND RUN CAPACITOR
20+10MFD 370/440V ROUND RUN CAPACITOR

CAP-20/10/440R

20+10MFD 370/440V ROUND RUN CAPACITOR
15+3MFD 370/440V ROUND RUN CAPACITOR

CAP-15/3/440R

15+3MFD 370/440V ROUND RUN CAPACITOR
4MFD 370/440V ROUND RUN CAPACITOR

CAP-4/440R

4MFD 370/440V ROUND RUN CAPACITOR
4MFD 370/440V OVAL RUN CAPACITOR

CAP-4/440

4MFD 370/440V OVAL RUN CAPACITOR
40+4MFD 370/440V ROUND RUN CAPACITOR

CAP-40/4/440R

40+4MFD 370/440V ROUND RUN CAPACITOR
55MFD 370/440V OVAL RUN CAPACITOR

CAP-55/440

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

CAP-50/5/440R

50+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.