3UG4.1 line monitoring relay
6.3 3UG4512 line monitoring relay
3UG4 / 3RR2 monitoring relays
116
Manual, 05/2016, NEB927043002000/RS-AC/004
6.3.5
Technical data
Measuring circuit
3UG4512-.....
Type of voltage for monitoring
AC
Number of poles for main current circuit
3
Measurable voltage
•
for AC
V
160 … 690
Adjustable voltage range
V
— …
General technical details
3UG4512-.....
Product function
Phase monitoring relay
Design of the display
—
Type of display LED
Yes
Product function
•
undervoltage recognition
No
•
overvoltage recognition
No
•
phase sequence recognition
Yes
•
phase disturbance recognition
Yes
•
asymmetry recognition
No
•
overvoltage recognition of 3 phases
No
•
undervoltage recognition of 3 phases
No
•
tension window recognition of 3 phases
No
•
reset external
—
•
self-reset
Yes
•
open-circuit or closed-circuit current principle
No
Starting time after the control supply voltage
has been applied
s
1
Response time maximum
s
0.45
Temperature drift per °C
%/°C —