Mars 12656 – Dual Run Capacitor, 15/10 MFD, 440V, Round
The Mars 12656 is a dual-section run capacitor designed for use in single-phase HVAC systems that require separate capacitance support for both compressor and fan motors. With capacitance values of 15 microfarads (HERM) and 10 microfarads (FAN), this capacitor provides consistent performance in systems operating at up to 440 volts.
Technical Specifications:
Capacitance: 15 µF (compressor), 10 µF (fan)
Voltage Rating: 440 VAC
Frequency: 50/60 Hz
Shape: Round
Terminals: Standard three-terminal configuration (C, HERM, FAN)
Dielectric: Metallized polypropylene
Case Material: Aluminum
Temperature Rating: -40°C to +70°C
Internal Protection: Pressure-sensitive interrupter
Compliance: Meets EIA-456A performance and safety standards
Non-PCB Construction
Typical Applications:
Designed for permanent split capacitor (PSC) motors in air conditioning condensing units and heat pumps
Compatible with systems requiring dual capacitance values for motor start/run operation
Suitable for residential and light commercial HVAC equipment
Installation Notes:
Match replacement capacitors to the original voltage and µF ratings. Always verify electrical compatibility, discharge capacitors before handling, and ensure installation complies with NEC and local codes. Installation should be performed by qualified HVAC professionals.