Specifications
Mechanical characteristics
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IP degree of protection (IEC 60529-1) |
Front Display: IP51 Front Display: IP54 with gasket Meter body: IP30 (excluding terminals) |
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Panel thickness |
6.0 mm (0.25 in) maximum |
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Mounting position |
Vertical |
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Display type |
LCD |
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Keypad |
4 button |
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Front panel LED indicators |
Red LED (energy pulse output) Green LED (heartbeat / serial communications activity) |
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Dimensions W x H x D |
96 (H) x 96 (W) x 48 (D) mm |
Electrical characteristics
Measurement accuracy – GLDM3241 , GLEM3251 , and GLEM3261
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Measurement type |
Class of accuracy as per IEC 61557-12 * |
Error |
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Active energy |
Class 1 (Class 1 * as per IEC 62053-21) |
±1% |
|
Reactive energy |
Class 2 (Class 2 as per IEC 62053-23) |
±2% |
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Apparent energy |
Class 1 |
±1% |
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Active power |
Class 1 |
±1% |
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Reactive power |
Class 1 |
±1% |
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Apparent power |
Class 1 |
±1% |
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Current |
Class 1 |
±0.5% |
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Voltage (L-L) |
Class 1 |
±0.5% |
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Voltage (L-N) |
Class 1 |
±0.5% |
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Frequency |
Class 0.05 |
|
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Power factor |
Class 1 |
±0.01 Count |
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THD |
Class 5 |
±5% |
Measurement accuracy – GLEM3265
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Measurement type |
Class of accuracy as per IEC 61557-12 * |
Error |
|
Active energy |
Class 0.5 (Class 0.5 * as per IEC 62053-22) |
±0.5% |
|
Reactive energy |
Class 2 (Class 2 as per IEC 62053-23) |
±2% |
|
Apparent energy |
Class 0.5 |
±0.5% |
|
Active power |
Class 0.5 |
±0.5% |
|
Reactive power |
Class 1 |
±2% |
|
Apparent power |
Class 0.5 |
±0.5% |
|
Current |
Class 0.5 |
±0.5% |
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Voltage (L-L) |
Class 0.5 |
±0.5% |
|
Voltage (L-N) |
Class 0.5 |
±0.5% |
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Frequency |
Class 0.05 |
|
|
Power factor |
Class 0.5 |
±0.01 Count |
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THD |
Class 5 |
±5% |
Voltage inputs
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VT primary |
100 V L-L to 999 kV L-L maximum, starting voltage depends on the VT ratio |
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V nominal |
Up to 277 V L-N / 480 V L-L (selectable VT secondary from 100, 110, 115, 120 to 415 V L-L) |
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Measured voltage with full range |
35 to 600 V AC L-L |
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Permanent overload |
750 V AC L-L |
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Operating voltage range with accuracy |
80 to 480 V L-L ± 10%, Category III |
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Impedance |
≥ 5 MΩ |
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Frequency |
50 / 60 Hz ± 2 Hz |
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VA burden |
< 0.2 VA max at 277 V AC L-N, 50Hz |
Current inputs
| CT primary | 1 A to 32767 A, programmable |
| CT secondary | 1 A or 5 A |
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Operating current range with accuracy |
10 mA to 6 A Additional error of ± 2% between 10 mA to 50 mA, ± 1% between 50 mA to 100 mA) |
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Measured Amps with full range |
5 mA to 10 A |
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Suppression current (to disregard negligible load) |
5 mA to 99 mA |
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Permanent overload (withstand) |
Continuous 10 A, 10 s/hr 50 A, 1 s/hr 500 A |
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Impedance |
0.3 mΩ |
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Frequency range |
50 / 60 Hz ± 2 Hz |
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VA burden |
≤ 0.1 VA max at 6 A, 50 Hz |
AC control power
| Operating range |
METSEGLDM3241 / METSEGLEM3251 / METSEGLEM3261 / METSEGLEM3265 |
48 to 277 V L-N AC ± 10% |
| Burden |
< 4 VA max at 277 V L-N, 50 Hz |
|
| Frequency | 45 to 65 Hz nominal | |
| Ride-through time | 120 ms at 240 V L-N, 50 Hz |
DC control power
| Operating range |
METSEGLDM3241 / METSEGLEM3251 / METSEGLEM3261 / METSEGLEM3265 |
48 to 277 V DC ± 10% |
| Burden |
< 2 W at 277 V DC |
|
| Operating range |
METSEGLDM3241LV |
10 to 32 V DC ± 10% |
| Burden |
< 2 W at 32 V DC |
Displays update
|
Instantaneous / RMS parameters |
1 s |
|
THD %, voltage and current |
5 s |
Power system configuration
|
Wiring configuration |
Using display: 1PH, 2W, L-N 1PH, 2W, L-L 1PH, 3W, L-L with N (2-phase) 3PH, 3W, Delta, Ungrounded 3PH, 4W, Wye Grounded |
Using ION Setup: 3PH, 3W, Delta, Corner Grounded 3PH, 3W, Wye, Ungrounded 3PH, 3W, Wye Grounded 3PH, 3W, Wye, Resistance Grounded 3PH, 4W, Open Delta, Center-Tapped 3PH, 4W, Delta, Center-Tapped 3PH, 4W, Wye, Ungrounded 3PH, 4W, Wye, Resistance Grounded |
Environmental characteristics
| Operating temperature | -10 to 60 ºC (+14 to 140 ºF) |
| Storage temperature | -25 to 70 ºC (-13 to 158 ºF) |
| Humidity rating | 5% to 95% RH non-condensing at 37 ºC |
| Pollution degree | 2 |
| Attitude | ≤ 2000 m (6561 ft), Category III |
| Product life | 7 years |
| Insulation category | Double insulation for user accessible parts |
| Location / mounting |
Not suitable for wet locations For indoor use only Must be permanently connected and fixed |
EMC (electromagnetic compatibility)*
|
Electrostatic discharge |
IEC 61000-4-2 |
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Immunity to radiated field |
IEC 61000-4-3 |
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Immunity to fast transients |
IEC 61000-4-4 |
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Immunity to impulse waves |
IEC 61000-4-5 |
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Conducted immunity |
IEC 61000-4-6 |
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Immunity to magnetic field |
IEC 61000-4-8 |
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Immunity to voltage dips |
IEC 61000-4-11 |
|
Emissions (IEC61326-1) |
Emissions CISPR 11 and FCC Part 15 |
* Tested as per IEC 61326-1 standard
Safety
|
Europe |
CE, as per IEC 61010 -1 and IEC 61326 - 1 |
|
US and Canada |
cULus per UL 61010-1 CAN / CSA-C22.2 IEC 61010 - 1 - 12, for 480 V AC L-L |
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Measurement category (Voltage and Current inputs) |
CAT III up to 480 V L-L CAT II up to 600 V L-L |
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Over voltage category (Control power) |
CAT III up to 300 V L-N |
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Dielectric |
As per IEC / UL 61010 -1 |
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Protective Class |
II, Double insulated for user accessible parts |
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Green premium |
EOL, REACH , PEP, RoHS complied |
Communications
|
RS-485 port |
Modbus RTU: 2-Wire, 4800, 9600,19200 or 38400 baud Parity - Even, Odd, None 1 stop bit if parity is Odd or Even, 2 stop bits if none |
|
Isolation |
2.5 kV RMS, double insulated |