Run Capacitor, Round, 15 MFD, 440/370

Performance-Driven Component – Mars 12734 15 MFD 440V Motor Run Capacitor

The Mars 12734 Motor Run Capacitor is engineered to support the continuous operation of single-phase induction motors in HVAC systems. With a capacitance of 15 microfarads and a voltage rating of 440 VAC, this capacitor ensures dependable operation under demanding conditions. Its cylindrical shape and compact design allow for streamlined integration into a wide range of systems.

Built to meet professional standards, the 12734 is ideal for use in blower motors, fan units, and compressor assemblies. It is constructed with non-PCB dielectric fluid and features internal safety mechanisms that comply with industry performance criteria.

Professional-Grade Advantages

• ✅ Optimized Capacitance – 15 µF rating provides consistent phase shift for motor windings, ensuring stable torque delivery.
• ✅ Voltage Handling – Rated for 440V AC, compatible with most residential and light commercial motor-driven systems.
• ✅ Protective Design – Manufactured with self-healing metallized polypropylene film for enhanced operational life and reliability.
• ✅ Construction – Aluminum can with steel mounting bracket, built to withstand high-heat environments and vibration.

Technical Details

• Capacitance: 15 µF
• Rated Voltage: 440 VAC
• Operating Frequency: 50/60 Hz
• Shape: Round
• Application: Continuous run support for HVAC fan and blower motors

Installation Overview

Contractor installation is advised to maintain code compliance and guarantee correct wiring. Ensure system is de-energized before installation. Proper mounting and connection torque should be verified, and all terminals inspected for corrosion or loose fit.

Application Scope

• ✅ System Compatibility – Suitable for use in a wide variety of HVAC motor systems requiring a 15 MFD, 440V capacitor.
• ✅ Reliability – Proven track record of dependable service in high-duty-cycle equipment.
• ✅ Low Maintenance – Designed for long service intervals with minimal attention required once installed.

Conclusion

The Mars 12734 provides critical support to induction motors by maintaining consistent phase balance and system efficiency. For HVAC contractors seeking a trusted replacement or OEM-grade component, this capacitor delivers the required performance and reliability under rigorous field conditions.