Features:

 

Input - from conductive or floating point level sensors, build-in filtering and time delay, 220V AC, <6VA power supply, dimensions 80x200x100mm; polarization protected; high noise immunity, tuning sensitivity; wall mountable; IP54
 

Type A/ Three independent alarm levels with SPDT relay outputs

Type B/ Level controller between two - LL (low level) and HL (high level) alarm levels in mode filling/emptying - 3 SPDT relay outputs: one for control of a pump or a solenoid valve and 2 for the alarm levels