3UG4.1 line monitoring relay
6.2 3UG4511 line monitoring relay
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
107
Technical data
Measuring circuit
Type of voltage for monitoring
Number of poles for main current circuit
• for AC
V
160 … 260 320 … 500 420 … 690
General technical details
• undervoltage recognition
No
• overvoltage recognition
No
• phase sequence recognition
Yes
• phase disturbance recognition
No
• 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
after the control supply voltage has
been applied
s
0.2
Temperature drift per °C
AC
• at 50 Hz at AC rated value
V
160 … 260 320 … 500 420 … 690
• at 60 Hz at AC rated value
V
160 … 260 320 … 500 420 … 690
Operating range factor control supply voltage rated
value
• at 50 Hz for AC
1 1
• at 60 Hz for AC
1 1