Mars 12014 20 MFD 370V Oval Single Run Capacitor Blue Box

The Mars 12014 is a single-section oval motor run capacitor rated at 20 MFD (microfarads) at 370 volts, part of the trusted MARS Blue Box series. Designed for single-phase induction motors, this capacitor maintains a continuous phase shift in the run winding to produce a smooth, efficient rotating magnetic field — keeping compressors, condenser fan motors, and blower motors running reliably.

The MARS Blue Box line is well regarded in the HVAC/R industry for its broad selection of ratings, OEM-grade construction, and non-PCB design featuring a physical interrupter for added safety. This capacitor meets EIA-456A test standards and carries both UL and CUL recognition, making it a dependable choice for professional HVAC technicians and service contractors.

Key Specifications:

• Capacitance: 20 MFD (Microfarad)
• Voltage Rating: 370V
• Capacitor Type: Single / Run
• Shape: Oval
• Frequency: 50/60 Hz
• Case Height: 2.375 in.
• Overall Height: 2.875 in.
• Width: 2.806 in.
• Depth: 1.806 in.
• Terminals: 4
• Case Material: Aluminum
• Temperature Range: -40°C to +70°C
• Operational Life: 60,000 Hours
• Non-PCB Construction with physical safety interrupter
• Certifications: UL Recognized, CUL (CSA Approved)
• Warranty: 5 Years

Cross-references include Genteq C320L and 27L1002. The successor Mars2 part number is 12914. Ideal as a direct OEM-grade replacement for HVAC air conditioning compressor, condenser fan motor, and blower motor applications.