janitza UMG 96 RM-M, User Manual And Technical Data, Page: 16 / 112

16
UMG 96RM-M
480V 50/60Hz
DC
AC/DC
L2
L3
Auxiliary energy
Measuring voltage
4M
4M
4M 4M
V1 V3 V2
System
earthing
Impedanz
L1
V
N
UMG 96RM
Voltage metering
The UMG 96RM-M can be used for voltage measurement
in TN, TT and IT systems.
Voltage measurement in the UMG 96RM-M is designed
for the 300 V overvoltage category CATIII (4 kV rated
pulse voltage).
Fig. Principle circuit diagram - Measurement in three-phase
4-wire systems. Fig. Principle circuit diagram - Measurement in three-phase
3-wire systems.
In systems without a neutral, measured values that
require a neutral refer to a calculated neutral.
DC
AC/DC
PE
277V/480V 50/60Hz
L2
L3
N
L1
Auxiliary energy
Measuring voltage
4M
4M 4M 4M
V1 V3 V2 V
N
UMG 96RM
N
L1
240V
50/60Hz