Trane CPT00657 Dual Run Capacitor 50/12.5 MFD 440V Round

The Trane CPT00657 dual run capacitor (also called an AC dual capacitor or motor run capacitor) is a genuine Trane replacement part. It is rated 50/12.5 MFD at 440 volts. A dual capacitor combines two capacitors in one housing. In a central air conditioner or heat pump, it supports both the compressor and the condenser fan motor.

Key Features:

• Capacitance: 50 MFD (µF) and 12.5 MFD (µF) in one unit
• Voltage rating: 440 VAC
• Style: Round dual motor run capacitor, less resistor
• Dimensions: 2.50 in. diameter x 4.75 in. height
• Cross-references: CPT657, CPT0657, CPT-0657, GE/Genteq 25L759 and SFCAP50D125440R

A failed capacitor is a common cause of an AC or heat pump that won't start, a fan that won't run, or a compressor that won't run. Replace a capacitor with one that has the same µF values. The voltage rating can match or be higher.