Supply(P),Vacuum(V), One-touch Fitting: N (Supply (P) Port: ø1/4"; Vacuum (V) Port: ø1/2"), Exhaust Type: PN (1/2-14NPT Port Exhaust), Supply/Release Valve Combination: B2 (Supply Valve, N.O.), Rated Voltage: 5 (24 VDC), Electrical Entry: L (L Plug Vertical Connector w/Lead Wire 300mm), Light/Surge Voltage Suppressor: U (w/Light/Surge Voltage Suppressor, Non-polar), Manual Override: Non-locking