LEFOO Dimension in:mm Button LF40 combination switch box LF40-01 Order Ref NO LF40-01 -1 M13 1 -3psi AT BCD Set Point(psi):3psi LF40-01 is provided with a snap action switching for higher current capacity, SPDT contact form and switch deadbands. It can be used together with air button for remote control purpose, which is widely used in food waste disposer, pumps for swimming pools and spas, hot tubs, sanitary equipment, medical equipment etc. Used as a remote control, LF40-01 has two actions, Action Type:M=Momentaryaction; A=Alternate action Momentary action and Alternate action.