Material: Plastic+Metal Color: Black Air pressure switch (differential pressure switch) parameters Temperature range: -40 ~ + 100℃ Use of humidity range: ≤95% Switch load: 0 / 125V AC (48VDC) Work stress value: 100MΩ DC500V (between the terminal and the metal shell) Pressure: AC 2000V 50Hz 60S, leakage recent <0 ma="" (between="" the="" terminals="" and="" the="" metal="" shell)=""> Size: 7*8cm/2" Package Contents: 1x Air Pressure Switch