Run Start Capacitor, Round, 40/5 MFD, 440/370

Mars 12872 – Dual Run Capacitor, 45/10 MFD, 440V, Round Aluminum Can The Mars 12872 is a dual-section motor run capacitor designed for continuous-duty operation in HVAC systems requiring dual motor support. With a 45/10 microfarad (µF) rating and 440V AC voltage capacity, this round capacitor is engineered for reliable performance in air conditioning and heat pump applications. Technical Specifications: Capacitance: 45/10 µF (dual) Voltage Rating: 440 VAC Frequency: 50/60 Hz Shape: Round Construction: Metallized polypropylene film with aluminum housing Application: Compressor and fan motor support in single-phase HVAC systems Key Attributes: Suitable for units requiring dual capacitance for fan and compressor operation Dual voltage capability supports 370V and 440V systems, reducing part variation Designed to maintain electrical stability under sustained load and ambient thermal fluctuations Compatible with OEM equipment that specifies 45/10 µF, 440V ratings Built for installations where consistent capacitance and thermal durability are critical Installation Notes: Installation should be completed by qualified personnel in accordance with electrical safety standards and applicable local codes. Ensure all circuits are de-energized, discharge the capacitor before handling, and verify terminal orientation before connection. Use proper PPE and test instruments to confirm system readiness.