Electrician Red Seal · Question
What is the function of a 'zero speed switch' on a conveyor belt system?
A zero speed switch (or motion detector) is a safety device used to detect when a driven shaft or conveyor has stopped rotating. This prevents accidental restar
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Question: What is the function of a 'zero speed switch' on a conveyor belt system?
Answer options:
- To ensure the motor always runs at its rated speed. ✅ To detect when the conveyor belt has stopped moving and prevent restarting until conditions are safe.
- To automatically adjust the conveyor speed based on demand.
- To provide overload protection for the conveyor motor.
Correct answer: To detect when the conveyor belt has stopped moving and prevent restarting until conditions are safe.
Explanation: A zero speed switch (or motion detector) is a safety device used to detect when a driven shaft or conveyor has stopped rotating. This prevents accidental restarting while maintenance is performed or materials are cleared, ensuring personnel safety.
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