Product introduction:
Adjust the pressure size, please twist the two terminals in the middle of the six corners.
QPM11-NO (Normally Open): When the pressure is not set, the switch contacts are disconnected; when the set value is reached, the switch contacts are closed. The line is in power-on state.
QPM11-NC (Normally Closed): When the pressure is not set, the switch contacts are closed; when the set value is reached, the switch contacts are disconnected and the line is off.