16
UMG 96RM
DC
AC/DC
PE
277V/480V 50/60Hz
L2
L3
N
L1
Auxiliary energy
Voltage metering
4M
4M
4M
4M
V1 V3V2 VN
UMG 96RM
480V 50/60Hz
DC
AC/DC
L2
L3
Auxiliary energy
Voltage metering
4M
4M
4M
4M
V1
V3V2
Earthing
the system
Impedance
L1
VN
UMG 96RM
Voltage metering
The UMG 96RM can be used for voltage measurement
in TN, TT and IT systems.
Voltage measurement in the UMG 96RM 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.
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