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 Brass