Siemens 3UG4 - Technical Data

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