X-PRF Air Flow Switch 123010 Connection Size 1/2 in Connection Type NPT Contact Rating (AC) 22.2 A @ 240V (Locked Rotor) 3.7 A @ 240V (Full Load) 44.4 A @ 120V (Locked Rotor) 7.4 A @ 120V (Full Load) Flow Rate - Maximum 1 950 gpm Flow Switch Type Paddle For Pipe Size 1/2 in Hazardous Location Specification Class I Div 1 Group C D Class II Div 1 Group E F G Housing Material Aluminum Overall Height 12.5 in Overall Width 5.8 in Set Point Configuration Adjustable