3UG4622-1AW30 Datasheet, PDF (77/114 Pages) List of Unclassifed Manufacturers – Monitoring and Control Devices

Monitoring Relays
3UG Monitoring Relays for Electrical and Additional Measurements
Power factor monitoring
Rated control supply voltage U_s
Voltage tolerance
Maximum power consumption
Frequency of the monitored line
Setting range of power factor
Hysteresis fixed
Setting accuracy
Repeat accuracy at constant parameters
Deviations for temperature fluctuations
Delay time
T2, ON-delay
T1 after reaching the threshold
Input circuit current range
Input circuit peak current (< 1 s)
Input circuit input resistor L1/L2/L3
Input circuit input resistor current IN1
Currents > 10 A only with current transformer.
■ Dimensional drawings
3UG30 14
V
see Catalog LV 1 (L1/L2 also used to supply units)
V
0.85 ... 1.15 x U_s
VA 3
Hz 50 ... 60
0.1 ... 0.99 for lower and upper threshold
%
10 for power factor 0.4
10 ... 30 for power factor 0.4
%
–10 referred to upper limit of effective range
%
–0.8
%
–0.05/K
s
0.5 ... 20; –20 %
s
0.3 ... 3; –20 %
A
0.5 ... 10
A
50
kW 2
W
0.02
45
77
100
■ Schematics
3UG30 14
Three-phase operation, I < 10 A~
L1
L2
L3
M
L1 L2 L3 IN1
< p. f. 11 > p. f. 21
> p. f. <
NSB01130b
12 14 22 24
3UG30 14
Three-phase operation, I > 10 A~
L1
L2
L3
K(P1 ) L(P2 )
M
k(S 1) l(S2) _{external current}
L1 L2 L3 IN1 ^transformer
< p. f. 11> p. f. 21
> p. f. <
NSB0_01131c
12 14 22 24
3UG30 14
Single-phase operation, 230 V~
L
N
Load
L1 L2 L3 IN1
< p. f. 11 > p. f. 21
> p. f. <
NSB01132b
12 14 22 24
Siemens LV 1 T · 2006
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