Voltage measurement
You can use the UMG 96RM-PN for voltage measurement
in TN, TT, and IT systems.
Voltage measurement in the UMG 96RM-PN is designed
for the overvoltage category 300V CAT III (measurement
voltage surge 4kV).
Fig. Schematic diagram - Measurement on three-phase
4-conductor systems.
Fig. Schematic diagram - Measurement on three-phase
3-conductor systems.
In systems with no N, measured values requiring an N
refer to a calculated N.
480V 50/60Hz
DC
AC/DC
L2
L3
Auxiliary supply
Voltage measurement
4M
4M
4M
4M
V1
V3V2
Earthing of
the system
Impedance
L1
VN
UMG 96RM
DC
AC/DC
PE
277V/480V 50/60Hz
L2
L3
N
L1
Auxiliary supply
Voltage measurement
4M
4M
4M
4M
V1 V3V2 VN
UMG 96RM
N
L1
240V
50/60Hz
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