Controllers accept all flowline(r) point level sensors and allow you to control external devices like pumps, valves, or alarms. Adjustable time delay prevents frequent relay-cycling. LEDs indicate wet/dry sensor condition. Mount controllers on any 35-mm DIN rail. Control large loads-spdt relay(s) rated 250 VAC, 10 a resistive LED indicators provide user with power, sensor and relay status. Fail-Safe relay control of pumps and valves with 0-60 second time delay. PP 35 mm DIN enclosure with removable terminal straps