Normally Open Normally Closed Float Switch

The sensor float control switch is used to accurately monitor high normally open or low normally closed liquid levels to activate pump control panels and alarms in non potable water and sewage applications.

Normally open normally closed float switch.

Applications for normally open switches might include level regulation and high level alarms. It cannot be used for sump pump or other water removal applications. Normally open normally closed no nc switches can be configured to have an open switch or closed switch when activated. Turns pumps on when tanks are empty such as aerator tanks stock.

Everbilt normally closed float switch temco float switch for sump pump water level fill function control 13ft cord 5 year warranty cn0361 4 6 out of 5 stars 10. When the water rises and the float is lifted it moves such that the reed switch is no longer held together. Pump down normally open vs. Float switches pump up vs.

Gems sensors 43980 buna n float bracket mounted slosh shield single point level switch 1 7 8 diameter 1 3 8 actuation level 50va spst normally open 153 00 153. The control switch turns on closes when the float tips slightly above horizontal signaling a high level and. Normally closed posted by rainwater equipment tech support on aug 1st 2016 a pump up float switch also known as normally closed opens the circuit on the rise and is typically used to turn the pump off when the float is in the up position. So we would like to clear things up.

Deciding whether your float switch needs to be normally open or normally closed for pump control can be a little confusing. Normally closed in normally closed configurations the electrical circuit is closed or completed when the float is in its normal position. When we say normally open or normally closed we are referring to an electrical circuit an open circuit is incomplete meaning that the electric current is unable to complete the loop due to a gap. Float switches that are configured to stay closed until liquid flips open the circuit are referred to as a normally closed float switch once liquid reaches a certain level it then forces the circuit open and activates the next step which could be a power shut off or alarm sound off.

When energized the switch can stop or start a device depending on how the no no switch is used. This video demonstrates how to change a standard single level float switch from normally open to normally closed by removing the float inverting it and rei. It turns pumps off when raised as opposed to sump pump float switches that turn pumps on when raised.