Boiler house Level controls
2
Technical data LCS3051
Supply voltage
24 Vdc +/- 20%
Fuse
External 0.5 A (semi-delay)
Power consumption
7 W
Electrical connection of level probe
1 input for level probe LP40, 4 poles, with screen
Response sensitivity (electrical conductivity of water at 25 °C)
> 10 ... < 10000 μS/cm
2 volt-free make contacts, 6 A 250 Vac/30 Vdc cos f = 1 Delay of response: 3 seconds Provide inductive loads with RC combinations according to manufacturer's specification to ensure interference suppression 1 volt-free output for instantaneous external signalling, 24 Vdc, max. 100 mA (semiconductor output)
Safety circuit
2.3 110
Signal output
1 button for test and diagnosis 1 red/green LED for indicating the operating mode and alarm 3 red LEDs for diagnosis Housing material: base: black polycarbonate; front: grey polycarbonate Conductor size: 1 x 4.0 mm 2 solid per wire or 1 x 2.5 mm 2 per stranded wire with sleeve to DIN 46228 or 2 x 1.5 mm 2 per stranded wire with sleeve to DIN 46228 Terminal strips can be detached Fixing of housing: Mounting clip on supporting rail TH 35, EN 60715
Indicators and adjustors
Housing
Electrical safety
Degree of contamination: 2, overvoltage category III to EN 61010-01
Housing: IP 40 to EN 60529 Terminal strip: IP 20 to EN 60529
Protection
Weight
approx. 0.5 kg
At moment of switch on: 0 ° to 55 °C In operation: -10° to 55 °C
Ambient temperature
-20 to +80 °C (<100 hours), defrosting time of the de-energized equipment before it can be put into operation: 24 hours -20 to +70 °C, defrosting time of the de-energized equipment before it can be put into operation: 24 hours
Transport temperature
Storage temperature
Relative humidity
max. 95%, no moisture condensation
Site altitude
max. 2000 m
TI-P693-27 EMM Issue 1
Page 2 of 4
LCS3051 High Water Level Switch
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