Air Compressor Motor Tripping Breaker: Causes

A motor that trips its breaker or overload is protecting itself from a fault, and the cause must be found before resetting.

Electrical Causes

Low voltage, phase loss, loose connections and failed capacitors can all increase current and trip protection.

Mechanical Causes

Overload, blocked cooling, a tight belt or mechanical drag raises motor current beyond the trip setting.

Diagnosis and Fix

Check supply and connections, measure running current and confirm the machine is not overloaded or overheated.

Contact us for motor and control fault diagnosis.