janitza UMG 96RM-P - Voltage Metering

17
UMG 96RM-P/-CBM
Voltage metering
The UMG 96RM-P/-CBM can be used for voltage
measurement in TN, TT and IT systems.
Voltage measurement in the UMG 96RM-P/-CBM 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.
480V 50/60Hz
DC
AC/DC
L2
L3
Auxiliary energy
Measuring voltage
4M
4M
4M 4M
V1
V3V2
System
earthing
Impedance
L1
VN
UMG 96RM
DC
AC/DC
PE
277V/480V 50/60Hz
L2
L3
N
L1
Auxiliary energy
Measuring voltage
4M
4M
4M 4M
V1 V3V2 VN
UMG 96RM
N
L1
240V
50/60Hz