What is the con using a 32 amp contactor instead of a 20 amp contactor?

Using a 32 amp contactor instead of a 20 amp contactor can lead to the risk of inadequate protection for the circuit. The higher-rated contactor may not trip in case of an overload or short circuit, potentially resulting in overheating or damage to the connected equipment. Additionally, it may not comply with electrical codes that specify the appropriate ratings for specific applications, leading to safety hazards. Therefore, it's crucial to match the contactor rating to the circuit requirements.