Deciding whether or not you want the circuit to be closed or. Float switch controller pdf manual download. Normally open model (high level) the control switch turns on (closes) when the switch tips slightly above horizontal signaling a high level, and turns off (opens) when the switch drops slightly below.
How to Install a Float Switch? | ATO.com
The sensor float® mini control switch is used to accurately monitor high (normally open) or low (normally closed) liquid levels to activate pump control panels and alarms in confined sewage and.
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