... magnetic floater liquid level switch is composed of magnetic float ball, floater stabilizing tube, reed tube switch, explosion proof ... ,≤1.5A, contact life:5×10 timesWire-connecting box shell protection:IP65Flange:DN150 DN125 DN100 DN50 DN25 DN20Fluid condition: ... viscosity ≤0.07Pa.S, density≥0.6g/cm3Float ball: ordinary supply:Φ150leader25 Φ140leader19,Φ51,Φ45leader12-14Φ28,Φ24leader8. ...