3UG4621/3UG4622 current monitoring relays
7.7 Technical data
3UG4 / 3RR2 monitoring relays
184
Manual, 05/2016, NEB927043002000/RS-AC/004
7.7
Technical data
Measuring circuit
3UG4621-..A
3UG4621-..W
3UG4622-..A
3UG4622-..W
Number of poles for main current
circuit
1
Type of current for monitoring
AC/DC
Measurable current
A
0.003 … 0.6
0.05 … 15
Measurable current for AC
A
0.003 … 0.6
0.05 … 15
Measurable line frequency
Hz
40 … 500
Internal resistance of the measuring
circuit
Ω
0.5
0.005
Adjustable response current
•
1
A
0.003 … 0.5
0.5 … 10
•
2
A
0.003 … 0.5
0.5 … 10
Adjustable response delay time
•
when starting
s
0.1 … 20
•
with lower or upper limit violation
s
0.1 … 20
Adjustable switching hysteresis for
measured current value
mA 0.1 … 250
10 … 5 000
Stored energy time at mains power
cut minimum
ms
10
Operating voltage
•
rated value
V
24
24 … 240
24
24 … 240