MARS 12878 Run Capacitor

40/5 Microfarad 370Vac Round Dual Run Capacitor

12878 is identical to HC98JA041

MARS 12878 Run Capacitor – 40/5 MFD, 370V, Round Dual Capacitor

The MARS 12878 Run Capacitor is a high-performance dual run capacitor designed to support both the fan and compressor motors in HVAC systems. With a capacitance rating of 40/5 microfarads (MFD) and a 370V AC voltage rating, this round-shaped aluminum capacitor ensures reliable operation and extended equipment life in heating and cooling systems.

Engineered for durability, the MARS 12878 operates efficiently in a wide temperature range of -40°C to +70°C and offers an impressive operational life of up to 60,000 hours. It is ideal for use in residential and light commercial HVAC units, including air conditioners, heat pumps, and other electric motor-driven systems.

Key Features:

• Model: MARS 12878

• Capacitance: 40/5 MFD (Microfarads)

• Voltage Rating: 370VAC

• Capacitor Type: Dual Run

• Shape: Round

• Frequency: 50/60 Hz

• Temperature Range: -40°C to +70°C

• Operational Life: 60,000 hours

• Terminals: 4, 3, 2

• Dimensions: Case Height – 2.75", Width – 2", Overall Height – 3.25"

• Construction: Aluminum housing for enhanced durability

The MARS 12878 Dual Run Capacitor delivers consistent, efficient performance to keep your HVAC system running smoothly. Ideal for replacement or OEM applications, this capacitor provides dependable motor starting and running power you can count on.