Liquid Flow Switch, Ambient Temperature - Maximum 200 Degrees F, Ambient Temperature - Minimum -4 Degrees F, Connection Size 1/2 in, Connection Type NPT, Contact Rating (AC) 0.5 A @ 120V, Contact Rating (DC) 0.001 A @ 200 VDC res., 0.5 A @ 120 VAC, 1.5 A @ 24 VDC res., Filter Rating - Maximum Not Applicable, Flow Rate - Maximum Not Applicable, Flow Rate - Minimum Not Applicable, Flow Switch Type Paddle, For Pipe Size 1/2 in, 2 in, Frequency 50 Hz, 60 Hz, Housing Material Stainless Steel