Exhaust Built-in Silencer Exhaust Port Thread Rc 1/2 Supply, Release Valve K1 [Supply Valve: Solenoid (NC)/Release Valve: Solenoid (NC)] Voltage 5 (24VDC) Lead Wire LO (L Plug w/o Connector) Light & Surge Suppressor U (Light & Surge Suppressor (Non-polar)) Manual Override Non-locking Push Style Vacuum Pressure Sensor D (With Digital Vacuum Pressure Switch ZSE30A) Output Specifications P (PNP open collector 1 output) Lead Wire Length L (2 m) Q Q (CE Marked)