Measuring voltage
You can use the UMG 96RM-E to measure voltage
in TN-, TT-, and IT systems.
The voltage measurement in the UMG 96RM-E
is designed for the overvoltage category 300V CAT III
(rated impulse voltage 4 kV).
Fig. schematic diagram - measurements in three-phase
4-wire systems.
Fig. schematic diagram - measurements in three-phase
3-wire systems.
In systems without N, the measurements which require
an N are to a calculated N.
480V 50/60Hz
DC
AC/DC
L2
L3
Auxiliary power
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
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