Specifications
Electrical characteristics
Measurement accuracy
|
Measurement type |
Class of accuracy |
Error |
|
Active energy |
x/5 A CTs: Class 0.5S as per IEC 62053-22: 2020, BS/ EN 62053-22 x/5 A CTs: PMD- II/ SD/ SS/ 0.5 as per IEC 61557-12 |
±0.5% |
|
x/1 A CTs: Class 1 as per IEC 62053-21: 2020, BS/ EN 62053-21 x/1 A CTs: PMD-II/ SD/ SS/ 1 as per IEC 61557-12 |
±1% |
|
|
Reactive energy |
Class 2 as per IEC 62053-23, BS/ EN 62053-23 PMD-II/ SD/ SS/ 2 as per IEC 61557-12 |
±2% |
|
Active power |
x/5 A CTs: Class 0.5 |
±0.5% |
|
x/1 A CTs: Class 1 |
±1% |
|
|
Apparent power |
x/5 A CTs: Class 0.5 |
±0.5% |
|
x/1 A CTs: Class 1 |
±1% |
|
|
Reactive power |
Class 2 |
±2% |
|
Current |
x/5 A CTs: Class 0.3 |
±0.3% |
|
x/1 A CTs: Class 0.5 |
±0.5% |
|
|
Voltage |
Class 0.3 |
±0.5% |
|
Frequency |
Class 0.05 |
±0.05% |
|
Power factor |
Class 1 |
±0.005 Count |
Voltage inputs
|
Measured voltage |
Wye: 60...277 V L-N, 100...480 V L-L ± 20% Delta: 100...480 V L-L ± 20% |
|
Overload |
332 V L-N or 575 V L-L |
|
Frequency |
50 / 60 Hz ±10% |
|
Minimum wire temperature rating required |
90 °C (194 °F) |
|
Impedance |
3 MΩ |
|
Burden |
0.2 VA |
|
Impulse voltage withstand |
6 KV for 1.2 μS waveform |
|
Measurement category |
III |
|
Wire |
2.5 mm2 (14 AWG) (Recommended: Copper wire) |
|
Wire strip length |
8 mm (0.31 in) |
|
Torque |
0.5 N·m (4.4 in·lb) |
Current inputs
|
Nominal current |
1 A or 5 A Requires x/5A or x/1A current transformers |
|
Measured current |
20 mA...6 A |
|
Withstand |
10 A continuous, 20 A at 10 sec/hr |
|
Impedance |
< 1 mΩ |
|
Burden |
< 0.036 VA at 6 A |
|
Minimum wire temperature rating required |
90 °C (194 °F) |
|
Wire |
6 mm2 (10 AWG) (Recommended: Copper wire) |
|
Wire strip length |
8 mm (0.31 in) |
|
Torque |
0.8 N·m (7 in·lb) |
Control power
|
Operating range |
AC: 100...277 V L-N, 173...480 V L-L ±20% DC: 100...300 V |
|
Frequency |
45...65 Hz |
|
Burden |
AC: 5 VA DC: 3 W |
|
Wire |
6 mm2 (10 AWG) (Recommended: Copper wire) |
|
Wire strip length |
8 mm (0.31 in) |
|
Torque |
0.8 N·m (7 in·lb) |
|
Installation category |
III |
Digital output (PM3255)
|
Number |
2 |
|
Type |
Solid-state relay |
|
Load voltage |
5...40 V DC |
|
Maximum load current |
50 mA |
|
Output resistance |
50 Ω maximum |
|
Isolation |
3.75 kV |
|
Wire |
1.5 mm2 (16 AWG) |
|
Wire strip length |
6 mm (0.23 in) |
|
Torque |
0.5 N·m (4.4 in·lb) |
Pulse output (PM3210)
|
Number |
1 |
|
Type |
Opto-coupler output for remote transfer |
|
Pulses / kWh |
Configurable |
|
Voltage |
5...30 V DC |
|
Current |
1...15 mA |
|
Pulse width |
Configurable, 50 ms minimum |
|
Isolation |
3.75 kV |
|
Wire |
2.5 mm2 (14 AWG) |
|
Wire strip length |
6 mm (0.23 in) |
|
Torque |
0.5 N·m (4.4 in·lb) |
Digital input (PM3255)
|
Number |
2 |
|
Type |
Type 1 opto-coupler inputs IEC 61131-2 compatible |
|
Maximum input |
Voltage: 40 V DC Current: 4 mA |
|
OFF state |
0...5 V DC |
|
ON state |
11...40 V DC |
|
Nominal voltage |
24 V DC |
|
Isolation |
3.75 kV |
|
Wire |
1.5 mm2 (16 AWG) |
|
Wire strip length |
6 mm (0.23 in) |
|
Torque |
0.5 N·m (4.4 in·lb) |
Mechanical characteristics
|
Weight |
0.26 kg (0.57 lb) |
|
|
IP degree of protection |
Front panel |
IP40 |
|
Meter body |
IP20 |
|
|
Display dimensions |
43 x 34.6 mm (1.7 x 1.3 in) |
|
|
Display resolution |
128 x 96 |
|
|
Display data update rate |
1 second |
|
|
Energy pulsing LED |
5000 flashes / kWh without consideration of transformer ratios |
|
Environmental characteristics
|
Operating temperature |
-25 to +70 °C (-13 to +158 °F) |
|
|
Storage temperature |
-40 to +85 °C (-40 to +185 °F) |
|
|
Humidity rating |
5 to 95% RH non-condensing at 50 °C (122 °F) |
|
|
Pollution degree |
2 |
|
|
Altitude |
< 3000 m (9842 ft) |
|
|
Location |
For indoor use in a stationary panel Must be permanently connected and fixed |
|
|
Product life |
> 15 years, 45 °C (113 °F) 60% RH |
|
EMC (electromagnetic compatibility)
|
Electrostatic discharge |
IEC 61000-4-2 |
|
|
Immunity to radiated fields |
IEC 61000-4-3 |
|
|
Immunity to fast transients |
IEC 61000-4-4 |
|
|
Immunity to surge |
IEC 61000-4-5 |
|
|
Conducted immunity |
IEC 61000-4-6 |
|
|
Immunity to power frequency magnetic fields |
0.5 mT (IEC 61000-4-8) |
|
|
Conducted and radiated emissions |
Class B (EN 55022) |
|
Safety and standards
|
Safety |
BS/ EN/ IEC/ UL 61010-1: 2010 + A1: 2019 |
||
|
Protective class |
II Double insulated for user accessible parts |
||
|
Standard compliance |
IEC 62052-31: 2015 IEC 62052-11: 2020 IEC 62053-21: 2020 IEC 62053-22: 2020 IEC 62053-23 IEC 61557-12: 2018/ AMD1: 2021 |
BS/ EN 62052-31 BS/ EN 62052-11 BS/ EN 62053-21 BS/ EN 62053-22 BS/ EN 62053-23 BS/ EN 61557-12 |
|
Modbus RS-485 communications (PM3250 / PM3255)
|
Number of ports |
1 |
|
Parity |
Even, Odd, None |
|
Baud rate |
9600, 19200, 38400 |
|
Number of stop bits |
1 |
|
Isolation |
4 kV, double insulation |
|
Wire |
2.5 mm2 (14 AWG) |
|
Wire strip length |
7 mm (0.28 in) |
|
Torque |
0.5 N·m (4.4 in·lb) |
Real-time clock
|
Type |
Quartz crystal based |
|
Clock drift |
< 2.5 s/day (30 ppm) |
|
Battery backup time |
3 years without control power (typical) |