Tele 2390200 G2LM20 Gamma Level Monitoring Relay, Conductive Liquids Level control of conductive liquids 2390200 Scheda Tecnica

Codici prodotto
2390200
Pagina di 3
Subject to alterations and errors
Release 11/06
Monitoring relays - GAMMA series
Level monitoring of conductive liquids
Multifunction
Secure isolation of the measuring circuit
2 change-over contacts
Width 22.5mm
Industrial design
Technical data
1. Functions
Level monitoring of conductive liquid, timing for tripping delay and turn-off 
delay separately adjustable and the following functions (selectable by 
means of rotary switch)
Pump up 
pump up or minimum monitoring
Pump down 
pump down or maximum monitoring
2. Time ranges
  
Adjustment 
range
Tripping delay (Delay ON): 
0.5s 
10s
Turn-off delay (Delay OFF): 
0.5s 
10s
3. Indicators
Green LED ON: 
indication of supply voltage
Yellow LED ON/OFF: 
indication of relay output
4. Mechanical design
Self-extinguishing plastic housing, IP rating IP40
Mounted on DIN-Rail TS 35 according to EN 50022
Mounting position: 
any
Shockproof terminal connection according to VBG 4 (PZ1 required),
IP rating IP20
Tightening torque: 
max. 1Nm
Terminal capacity:
 
1 x 0.5 to 2.5mm² with/without multicore cable end
 
1 x 4mm² without multicore cable end
 
2 x 0.5 to 1.5mm² with/without multicore cable end
 
2 x 2.5mm² fl exible without multicore cable end
5. Input circuit
Supply voltage:
 
24V AC 
terminals A1-A2 
(G2LM20 24VAC)
 
110V AC 
terminals A1-A2 
(G2LM20 110VAC)
 
230V AC 
terminals A1-A2 
(G2LM20 230VAC)
Tolerance:
 
24V AC 
-15% to +10% 
(G2LM20 24VAC)
 
110V AC 
-15% to +10% 
(G2LM20 110VAC)
 
230V AC 
-15% to +15% 
(G2LM20 230VAC)
Rated frequency: 
48 to 63Hz
Rated consumption:
 
24V AC 
2VA (1.5W) 
(G2LM20 24VAC)
 
110V AC 
2VA (1.5W) 
(G2LM20 110VAC)
 
230V AC 
2VA (1.5W) 
(G2LM20 230VAC)
Duration of operation: 
100%
Reset time: 
500ms
Residual ripple for DC:  -
Drop-out voltage: 
>30% of the supply voltage
Overvoltage category: 
III (according to IEC 60664-1)
Rated surge voltage: 
4kV
6. Output circuit
2 potential free change-over contacts
Rated voltage: 
250V AC
Switching capacity (distance <5mm): 
750VA (3A / 250V)
Switching capacity (distance >5mm): 
1250VA (5A / 250V)
Fusing: 
5A fast acting
Mechanical life: 
20 x 10
6
 Operations
Electrical life: 
2 x 10
5
 Operations at
 
 
1000VA resistive load
Switching frequency: 
max. 60/min at 100VA resistive load
 
 
max. 6/min at 1000VA resistive load
 
 
(according to IEC 947-5-1)
Overvoltage category: 
III (according to IEC 60664-1)
Rated surge voltage: 
4kV
7. Measuring circuit
Input: 
conductive probes (type SK1, SK2, SK3)
 terminals 
E1-E2-E3
Sensitivity: 0.25 
to 
100k
Ω (4mS to 1µS)
Sensor voltage: 
12V AC
Sensor current 
max. 7mA
Wiring distance (capacity of cable 100nF/km)
 
max. 1000m (set value <50%)
 
max. 100m (set value 100%)
Overvoltage category: 
III (according to IEC 60664-1)
Rated surge voltage: 
6kV
8. Accuracy
Base accuracy: 
-
Adjustment accuracy: 
-
Repetition accuracy: 
-
Voltage infl uence: 
-
Temperature infl uence: 
-
9. Ambient conditions
Ambient temperature: 
-25 to +55°C (according to IEC 68-1)
 
 
-25 to +40°C (according to UL 508)
Storage temperature: 
-25 to +70°C
Transport temperature: 
-25 to +70°C
Relative humidity: 
15% to 85%
 
 
(according to IEC 721-3-3 class 3K3)
Pollution degree: 
3 (according to IEC 60664-1)
Vibration resistance: 
10 to 55Hz 0.35mm
 
(according to IEC 68-2-6)
Shock resistance: 
15g 11ms (according to IEC 68-2-27)
G2LM20