The SSV66 series of float switches provide high, low or high and low level monitoring for 45 gallon drums, these float switches do not require access to the inside of the drum as they can be fitted from the outside of the drum through the 3/4 Inch NPT bung hole. Suitable for a 45 Gallon drum hi/lo level switching. External mount via 3/4 Inch NPT. N/O or N/C switching action. Fits standard 3/4 Inch NPT bung holes. Flying lead or 4 pin M12 connection Device Type = Float Mounting Type = Vertical Switch Output = NO/NC Body Material = Stainless Steel Cable Length = 1m Minimum Operating Temperature = 0°C Maximum Operating Temperature = +120°C Maximum Current = 500 mA Maximum Pressure = 10bar Series = SSV66A-34N