Gestra KS 90-1 Level Controller

Technical data
KS 90-1 Supply voltage 90 – 250 VAC, 48 - 62 Hz Power consumption 8.0 VA
Inputs 1 actual value input INP1, 4-20 mA, for conductivity transmitter LRGT 1.-.., screened, with 2 poles
1 supplementary input INP2, 4-20 mA, for external setpoint selection 2 control inputs DI1, DI2, configured as switch for connecting volt-free contacts, switched voltage: 5 V,
current 100 μA.
Outputs:
Relay outputs Volt-free change-over contact Max. contact rating: 500 VA, 250 V, 2 A at 48...62 Hz,
Min. contact rating: 6 V, 1 mA DC.
Switching cycle, electric: For I=1 A/2 A: > 800,000 / 500,000 (at AC 250 V (resistive load))
Provide inductive loads with RC combinations according to manufacturer's specification to ensure
interference suppression.
Indicators and adjustors 1 display with bar chart and plain text 4 amber LEDs with relay outputs OUT1...OUT4,
4 pushbuttons for parameter setting and selection manual/automatic Enclosure
Makrolon 9415, flame retardant Flammability class: UL 94 V0, self-extinguishing.
Plug-in module, inserted from the front Electrical connections Screw terminals for conductor cross-sections from 0.5 to 2.5 mm2
Safety & protection Overvoltage category II Contamination class 2 Operating voltage range 300 V
Protection II Protection Front: IP 65 to EN 60529 Enclosure: IP 20 Connections: IP 00
Weight approx. 0.27 kg Ambient temperature during operation 0 ... 60 °C Transport temperature
-40 ... +70 °C (<100 hours), defrosting time of the de-energized equipment before it can be put into
operation: 24 hours.
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