Liquid Level Controller Fully Automatic operation enabling both draining and filling simultaneously with a single device Adjustable sensitivity level from 1k to 200k Ohm Includes provision for Manual start Protects submersible pumps against dry running and prevents overfilling Enables maximum utilization of incoming liquid (eg. water) supply Specially designed corrosion and shock resistant sensors to ensure trouble free operation. Ordering Information Cat. No. Description 4411AD1 110VAC, 1 C/O,1K to 200K Sensitivity, Draining & Filling 4421AD1 240VAC, 1 C/O,1K to 200K Sensitivity, Draining & Filling 4431AD1 400VAC, 1 C/O,1K to 200K Sensitivity, Draining & Filling 44S0003 Accessories, Set Of 3 Stainless Steel Sensors 44S0006 Accessories, Set Of 6 Stainless Steel Sensors 174Liquid Level Controller 4431AD1 4411AD1 4421AD1 Cat. No. Parameters 240VAC, +/-20% 400VAC, +/-20% Supply Voltage ( ) 110VAC, +/-20% 47Hz - 63Hz Frequency Power Consumption (Max.) 3VA Device Characteristics Conductive Sensor Probes Stainless Steel SS304, 3 or 6Nos Sensor Length 10 cm Control Action Modes Only Draining, Only Filling, Draining & Filling Simultaneous (One Tank or Two tanks) Sensitivity 1K to 200 K Ohm (Potentiometer adjustable) Sensor Voltage & Current 12 Vp-p, 100 Hz,< 1 mA Sensor cable Cable gauge (Min):0.5 sq mm Tin coated, Cable dia(Min):1.5mm Max Cable Length-1000m (For set value < 50%) Max Cable Length-300m (For set value 100%) Max capacitances of wire- 80 nF / km Manual Start Switch If Lower tank water level is greater than Low level & upper tank water level is below High level then by pressing a switch Relay can be switched ON manually. Output Control Mode Relay ON/OFF Contact Ratings 1 C/O,8A 250VAC,Resistive,Terminal 15-Pole, Terminal 16-NC,Terminal 18-NO Utilization Category AC-15: Rated Voltage (Ue):120/240V, Rated Current(Ie): 3.0/1.5A DC-13: Rated Voltage (Ue):24/125/250V, Rated Current(Ie): 2.0/0.22/0.1A 5 Electrical Life 1 x 10 Operations 7 Mechanical Life 1 x 10 Operations LED Indication GREEN LED: Power ON, RED LED : Relay Output ON Operating Temperature -10C to +60C Storage Temperature -10C to +70C Relative Humidity 5 to 95 % RH (non condensing) Mounting Base/DIN Rail Dimension (W x H x D) (in mm) 36 X 90 X 65 Weight (unpacked) 235 g (Controller), 45 g (Sensor) Certification RoHS Compliant EMI/EMC Harmonic Current Emission IEC 61000-3-2 ESD IEC 61000-4-2 Radiated Susceptibility IEC 61000-4-3 Electrical Fast Transient IEC 61000-4-4 Surge IEC 61000-4-5 Conducted Susceptibility IEC 61000-4-6 Voltage Dips & Interruptions (AC) IEC 61000-4-11 Conducted Emission CISPR 14-1 Radiated Emission CISPR 14-1 Environmental Cold Heat EC 60068-2-1 Dry Heat IEC 60068-2-2 Vibration IEC 60068-2-6 Repetitive Shock IEC 60068-2-27 Non-Repetitive Shock IEC 60068-2-27 175