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Technical
Section 9
Dimensions
Section 10
5
Power Meter Series PM9
Functions and characteristics
Metering and
measurement
Selection guide
PM9 PM9P PM9C
General
Use on LV systems only
1P + N, 3P, 3P + N
b
b
b
Current and voltage accuracy
0.5 % 0.5 % 0.5 %
Energy and power accuracy
1 % 1 % 1 %
Direct voltage connection
450 V 450 V 450 V
Instantaneous rms values
Current
3 phases and
neutral
b
b
b
Voltage
Phase-to-neutral
and phase-to-
phase
b
b
b
Frequency
b
b
b
Active and reactive power
Total and per
phase
b
b
b
Apparent power
Total
b
b
b
Power factor
Total
b
b
b
Energy values
Active energy
b
b
b
Partial active energy
b
b
b
Reactive energy
b
b
b
Demand values
Active, reactive, apparent
power
Present and max.
values
b
b
b
Other measurements
Hour counter
b
b
b
Display and I/O
Backlit LCD display
b
b
b
Pulse output
-
1
-
Communication
RS485 port
-
-
b
Modbus protocol
-
-
b