Description
Mars 11090 Round Start Capacitor Overview
The Mars 11090 is a heavy-duty round start capacitor engineered to deliver the high-torque starting boost that single-phase HVAC motors demand. With a wide capacitance range of 430–516 microfarads and a dual voltage rating of 220/250VAC, this capacitor is built to handle the rigors of demanding motor start applications across a broad range of residential and light commercial HVAC equipment.
Key Specifications
- Capacitance Range: 430–516 Microfarads (MFD/µF)
- Voltage Rating: 220/250VAC
- Form Factor: Round
- Type: Start Capacitor
- Brand: Mars
- SKU: 11090
Features & Benefits
- Wide capacitance tolerance range ensures compatibility with a variety of motor start requirements
- Dual 220/250VAC voltage rating provides flexible installation options
- Round form factor fits standard capacitor mounting brackets and housings
- Designed for reliable, consistent motor starting performance in HVAC applications
- Built to Mars quality standards for long service life and dependable operation
Common Applications
- Single-phase compressor motor starting
- Condenser fan motor starting
- Air handler and blower motor starting
- General HVAC motor start applications requiring 220/250VAC
Why Choose Mars Capacitors?
Mars has been a trusted name in HVAC electrical components for decades. Their start capacitors are manufactured to tight tolerances and are widely used by HVAC technicians and contractors for both new installations and replacement applications. The Mars 11090 is an ideal choice when replacing a failed or degraded start capacitor in the 430–516 MFD, 220/250VAC class.







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