Siemens 3UG4 - Technical Data

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 —