Specifications
432E2150.fm/4
30 mars 2004
Power-monitoring units
Power Meter PM500
Functions and characteristics (cont.)
059221
Electrical characteristics
Type of measurement True rms up to the 31st harmonic
On three-phase (3P, 3P+N), two-phase and
single-phase AC systems
Measurement
accuracy
Current and voltage 0.5 % of reading
Power 1 % of reading from 0.8 leading to 0.5 lagging
Frequency 0.1 %
Power factor 1 % of reading from 0.5 leading to 0.5 lagging
Active energy Class 1 as defined by IEC 61036
Reactive energy Class 2 as defined by IEC 61268
Data update rate 1 s
Input-voltage
characteristics
Measured voltage 50 to 480 V AC (direct)
Up to 400 kV AC (with external PT)
Permissible overload 1.5 Un
Frequency measurement
range
45 to 65 Hz
Input-current
characteristics
CT rating Adjustable from 5 A to 10 000 A
Secondary 1 A or 5 A
Measurement range 18 mA to 10 A
Permissible overload 20 A continuous
48 A 10 s
150 A 1 s
Load 0.1 VA
Isolated current input 2.5 kV
Power supply AC and DC version 110 to 400 V AC (±10 %), 10 VA
120 to 350 V DC (±20 %), 10 W
Other version 24 to 48 V DC (±20 %), 10 W
Input/outputs Synchro or digital input
(IO11 and IO22 option)
10 to 30 V DC
Digital output (option IO22) Relay output (5 A at 250 V AC)
Pulse output
(IO11 and IO02 option)
Reed relay output (0.5 A at 100 V DC)
0/4-20 mA output
(AO20 option)
Load from 0 to 600 Ω
Mechanical characteristics
Weight 0.4 kg
IP degree of protection (IEC 60529) IP5x front face, IP30 rest of case
Dimensions Without options 96 x 96 x 60 mm
With options 96 x 96 x 80 mm
Environmental conditions
Operating temperature -10 °C to +55 °C
Storage temperature -20 °C to +85 °C
Pollution degree 2
Installation category III for installations up to 277/480 V
Dielectric withstand and impulse withstand As per IEC 60947-1
Electromagnetic
compatibility
Immunity to electrostatic
discharges
Level III (IEC 61000-4-2)
Immunity to radiated fields Level III (IEC 61000-4-3)
Immunity to fast transients Level IV (IEC 61000-4-4)
Immunity to impulse waves Level IV (IEC 61000-4-5)
Conducted and radiated
emissions
Class B (CISPR11)
Safety
e
Communication
RS 485 port (Modbus RS 485 option) 2-wire, up to 38 400 bauds, Modbus RTU,
SELV circuit, 6 kV impulse (double insulation)
Display characteristics
Type Back lit LCD