Main technical data Nominal working pressure 1.2mpa Diameter Dn50-dn200 Sensitivity 15-37.5l/min Contact capacity Dc 24v 0.5-1.0a Material Ductile iron 61KB-11 (C) 1" NPT LIQUID FLOW SWITCH PIPE SIZE: 1" NPT (1" MALE THREADED CONNECTION) Enclosure: NEMA 1 Bellows: Phosphor Bronze Paddle: Stainless Steel; three-piece Paddle ( 3 in., 2 in. and 1 in. Segments) Installed; 6 in. Paddle Supplied but Uninstalled Moter Ratings 120V 208V 240V 277V Horsepowder 1 1 1 1 AC Full Load Amps 16 8.8 8 AC Locked Rotor Amps 96 52.8 48 Noninductive or Resistance Load Amps 16 16 16 16 Pilot Duty-125VA--24/277VAC Maximum Fluid Pressure 150 psig (1034 kPa) Minimum Fluid Temperature 32°F (0°C) Maximum Fluid Temperature 250°F (121°C) Switch SPDT