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Refrigeration & Air Conditioning Mechanic Red Seal · Question

Which safety device protects against excessive internal compressor temperature due to motor winding overheating?

The internal thermal overload switch is embedded in the motor windings to sense and protect against overheating directly within the compressor.

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Question: Which safety device protects against excessive internal compressor temperature due to motor winding overheating?

Answer options: ✅ Internal thermal overload.

  • High-pressure switch.
  • Low-pressure switch.
  • Oil safety control.

Correct answer: Internal thermal overload.

Explanation: The internal thermal overload switch is embedded in the motor windings to sense and protect against overheating directly within the compressor.

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