Description
Overview
The Mars 12212 is a 17.5 Microfarad, 370VAC round run capacitor engineered to keep single-phase HVAC motors running smoothly and efficiently. Designed for continuous-duty operation, this capacitor delivers consistent electrical phase shift to maintain motor torque, reduce energy consumption, and extend equipment life — making it a trusted choice for HVAC technicians and contractors.
Key Features
- Capacitance: 17.5 Microfarad (µF)
- Voltage Rating: 370VAC
- Round form factor for easy installation in standard capacitor brackets
- Continuous-duty rated for reliable, long-term operation
- Compatible with a wide range of single-phase HVAC motors including condenser fan motors, blower motors, and compressors
- Durable construction designed to withstand the demands of residential and light commercial HVAC systems
Specifications
- Brand: Mars
- SKU: 12212
- Capacitance: 17.5 µF
- Voltage: 370VAC
- Style: Round
- Type: Run Capacitor
Application
The Mars 12212 run capacitor is ideal for use in air conditioners, heat pumps, and other HVAC equipment requiring a single-capacitor motor-run solution. Its round housing fits standard mounting hardware, simplifying field replacement and reducing downtime during service calls.







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