The diaphragm is actuated.
Cutout pressure that can be adjuste.
When the pressure increases, the contacts open.
a long and prosperous lif.
Small electrically driven air compressor pressure switch with a two-way pressure release valve for use with air compressors that are not too large in size. When the pressure increases, the contacts are opened. Two-pole, NEMA Type 1 indoor enclosure with 1/4″ NPSF internal pressure connection and diaphragm actuation. UL/CSA listed and compliant with RoHS regulations. Differential that is not adjustabl. PSIG (pounds per square inch. Adjustabl. The cutout pressure ranges from 70 to 150 PSIG. The power is 1 HP at 115Vac and 2 HP at 230Vac. Individually boxed for protection.
Good.