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    Locked Rotor Alarm Signal Fans

    Locked Rotor Alarm Signal Fans

    Locked Rotor Alarm Signal Fans

    Lock sensor is used to detect if the fan motor is in operation or stopped. This is usually used as a safety measure to prevent damage to equipment due to over heating.

    It sends an alarm signal, at either high or low voltage when the rotor locks. If the fan starts spinning again, the alarm signal condition will stop.