DC voltage monitoring in 1-phase main0 pages

G4UF900V01

DC voltage monitoring in 1-phase mains
Monitoring relays - GAMMA series
Undervoltage monitoring
Supply voltage 230V AC
1 change over contact
Width 45mm
Industrial design

Technical data
1. Functions
1. Functions
DC undervoltage monitoring in 1-phase mains with fixed thresholds and
fixed hysteresis.
2. Time ranges
ttttttt
Start-up suppression time:t
Tripping delay:tttt

Adjustment range
-

3. Indicators
Green LED ON:tttt
Yellow LED ON/OFF:ttt
Red LED ON/OFF:ttt
ttttttt

indication of supply voltage
indication of relay output
indication of failure of the corresponding t
threshold

4. Mechanical design
Self-extinguishing plastic housing, IP rating IP40
Mounted on DIN-rail TS 35 according to EN 60715
Mounting position: any
Shockproof terminal connection according to VBG 4 (PZ1 required), IP
rating IP20
Tightening torque: max. 1Nm
Terminal capacity:
t
1 x 0.5 to 2.5mm² with/without multicore cable end
t
1 x 4mm² without multicore cable end
t
2 x 0.5 to 1.5mm² with/without multicore cable end
t
2 x 2.5mm² flexible without multicore cable end
5. Input circuit
Supply voltage:
t
230V ACtttt
Tolerance:ttttt
Rated freuquency:ttt
Rated consumption:ttt
Duty cycle:ttttt
Reset time:ttttt
Ripple and noise:ttt
Drop out voltage:tttt
Overvoltage category:tt
Rated surge voltage:ttt

Terminals A1-A2 (galvanically seperated)
-15% to +15%
50/60Hz
2VA (1,5W)
100%
500ms
>30% of the supply voltage
II (in accordance with IEC 60664-1)
4kV

7. Measuring circuit
Fusing:ttttt
Measuring variable:tt
Measuring input:
t
900V DCttt
Overload capacity:tt
Input resistance:
t
900V DCt t
t
Switching threshold
t
Max:tttt
t
Min:ttttt
Overvoltage category:t
Rated surge voltage:tt

max. 20A (in accordance with UL 508)
DC Sinus (16.6 to 400Hz)
terminals E(-) - F(+)
1000V DC
2MΩ
400V
250V
II (in accordance with IEC 60664-1)
6kV

8. Accuracy
Base accuracy:t t
t
Frequency response:tt
Repetition accuracy:t t
Voltage influence:tt
Temperature influence:t

≤3%
≤1%
≤0.05% / °C

9. Ambient conditions
Ambient temperature:t
t
t
t
t
t
t
Storage temperature:tt
Transport temperature:t
Relative humidity:tt
tttttt
Pollution degree:ttt
Vibration resistance:tt
tttttt
Shock resistance:tt
tttttt

-25 to +55°C (in accordance with IEC 60068-1)
-25 to +40°C (in accordance with UL 508)
-25 to +70°C
-25 to +70°C
15% to 85%
(in accordance with IEC 60721-3-3 class 3K3)
3 (in accordance with IEC 60664-1)
10 to 55Hz 0.35mm
(in accordance with IEC 60068-2-6)
15g 11ms
(in accordance with IEC 60068-2-27)

6. Output circuit
1 potential free change over contact
Rated votage:tttt
250V AC
Switching capacity:ttt
750VA (3A / 250V AC)
If the distance between the devices is less than 5mm!
Switching capacity:ttt
1250VA (5A / 250V AC)
If the distance between the devices is greater than 5mm!
Fusing:tttttt
5A fast acting
Mechanical life:tttt
20 x 106 operations
Electrical life:tttt
2 x 105 operations at 1000VA resistive load
Switching frequency:ttt
max. 60/min at 100VA resistive load
ttttttt
max. 6/min at 1000VA resistive load
ttttttt
(in accordance with IEC 60947-5-1)
Overvoltage category:tt
III (in accordance with IEC 60664-1)
Rated surge voltage:ttt
4kV

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