Liquid Flow Switch, Ambient Temperature - Maximum 250 Degrees F, Ambient Temperature - Minimum -40 Degrees F, Connection Size 1 in, Connection Type NPT, Contact Rating (AC) 10 A @ 125V, Contact Rating (DC) 1/8 hp @ 125 VAC, 1/4 hp @ 250 VAC., 10 A @ 125, 250, 480 VAC, Filter Rating - Maximum Not Applicable, Flow Rate - Maximum Not Applicable, Flow Rate - Minimum Not Applicable, Flow Switch Type Paddle, For Pipe Size 1 in, Frequency 50 Hz, 60 Hz, Housing Material Aluminum