User Manual

3UG4621/3UG4622 current monitoring relays
7.7 Technical data
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
165
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