Rectorseal M11112 Motor Start Capacitor 124-156 Mfd 110/125V

Product Description

The RECTORSEAL M11112 is a round motor start capacitor rated at 124-156 microfarads (MFD) and 110/125 volts, designed to provide the starting torque needed to bring single-phase compressor and fan motors up to operating speed. Built with a phenolic composition and rated for 50/60 Hz operation, this capacitor handles up to 60 starts per hour. It is used in residential and commercial air conditioning systems and refrigeration equipment. HVAC technicians and refrigeration service pros install this part when the original start capacitor has failed or is out of tolerance on a capacitance check.

This motor start capacitor is suited for residential and commercial AC systems and refrigeration units where a 110/125-volt, 124-156 MFD start capacitor is called for. Its round form factor fits standard capacitor mounting brackets common in condensing units, air handlers, and refrigeration compressor housings. The 50/60 Hz rating covers both standard North American and international frequency applications. With a temperature range of -40 degrees F to 149 degrees F (approximately -40 to 65 degrees C), it performs across a wide range of operating environments.

Key Features

• 124-156 MFD capacitance range suits variable motor start requirements
• Rated for 110/125 volts to match common single-phase motor start circuits
• Phenolic construction provides durability in demanding HVAC and refrigeration environments
• Supports up to 60 starts per hour for high-cycle applications
• Round shape fits standard capacitor mounting hardware
• Dual-frequency rating (50/60 Hz) for broad application compatibility

Compatibility

Recommended for use in residential and commercial air conditioning and refrigeration systems requiring a motor start capacitor rated at 124-156 MFD and 110/125 volts.

Installation Notes

Motor start capacitors are installed by licensed HVAC technicians or qualified refrigeration service professionals. Always disconnect and lock out power to the unit before handling capacitors, as they can retain a dangerous charge even after power is removed — discharge the capacitor safely using an approved resistor tool before touching terminals. Verify the replacement MFD rating and voltage rating match or fall within the acceptable range for the motor being serviced. Follow applicable NEC guidelines and equipment manufacturer documentation during installation.

Technical Specifications

• Capacitor Type: Motor Start
• MFD Rating: 124-156 MFD
• Operating Voltage: 110/125 volts
• Frequency: 50/60 Hz
• Max Rated Temperature: 65 degrees C
• Min Rated Temperature: -40 degrees C
• Starts Per Hour: 60
• Shape: Round
• Terminals: 2
• Composition: Phenolic
• Recommended Use: Residential and Commercial AC and Refrigeration

Standard Information

• Brand: RECTORSEAL
• Manufacturer Part Number: M11112