User Manual

3UG463. voltage monitoring relay
11.7 Technical data
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
273
General technical details
3UG463.-1.A 3UG463.-1.L 3UG463.-
1.W
3UG463.-2.A 3UG463.-2.L 3UG463.-
2.W
Product function Voltage monitoring relay
Design of the
display
LCD
Product function
• tension window
recognition of 1
phase
Yes
• tension window
recognition of 3
phases
No
• tension window
recognition DC
Yes
• overvoltage
recognition of 1
phase
Yes
• overvoltage
recognition of 3
phases
No
• overvoltage
recognition DC
Yes
• undervoltage
recognition of 1
phase
Yes
• undervoltage
recognition of 3
phases
No
• undervoltage
recognition DC
Yes
• reset external
Yes
• self-reset
Yes
• open-circuit or
closed-circuit
current principle
Yes
Starting time after
the control supply
voltage has been
applied
s
1
Response time
maximum
ms 450
Relative metering
precision
% 5