Gama 300

Three Phase | Smart Meter |
gama300
  • •Measurement of active energy  (bidirectional), reactive energy (in 4-quadrants) and maximum demand
  • • Accuracy class 1.0 (B) or 0.5s (C)
  • • Measurement in two channels (on phase and neutral lines)
  • • Single or Multi-tariff (up to 6 tariff s)
  • • Internal real time clock
  • Load and billing profiles, instantaneous values
  • Extended anti -tamper features
  • Event logbook (power outage, power over-limit, reverse current flow,  infl uence of magnetic field, opening of meter cover, opening of terminal cover, clock setting, parameter change, internal error, firmware update)
  • Optical and electrical communication  interfaces in accordance with IEC 62056-21 and/or DLMS/COSEM
  • Internal communication modules (PLC modem, USB host, wireless or wired MBus, RS485, Ethernet), powering of external modem
  • High-level security (encryption and authentication)
  • Internal relay for user disconnection
  • Power quality monitoring (over-voltage, under-voltage, over-current)
  • Measurement of Total Harmonic  Distortion (THD)
  • Registration of line and transformer losses on the basis of I2h and U2h measurements

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Technical Specification

Connection type Three-phase 4-wire or 3-wire
Accuracy class for active energy class 1.0 (IEC 62053-21), class B (EN 50470-3)
-for active energy (CT only) class 0.5s (IEC 62053-22), class C (EN 50470-3)
-for reactive energy class 2.0 (IEC 62053-23)
Reference voltage, Un

– 4 wire networks

– Multi -range

– 3 wire networks

3×220/380; 3×230/400; 3×240/415; 3×57,7/100; 3×63,5/110;3×69,2/120; 3×120/208; 3×127/2203×57,7/100…230/400

3×100; 3×110; 3×120; 3×220; 3×230

Reference (maximum) current, Ib(Imax)

– Direct connected

– CT operated

 

 

5(40) A; 5(60) A; 5(80) A; 5(100) A; 10(60) A; 10(80) A; 10(100) A

 

5(6,25); 5(10);

Starting current 0,4% Ib  (0,1% In  if CT operated)
Reference Frequency, Hz 50 or 60
Meter constant, imp/kWh 1…19999 (direct), 1…60000 (CT operated)
Power consumption:

-In voltage circuit

 

 

 

-In current circuit

 

<1.0 VA (<0,5 W)

<2.3 VA (<0.8 W) (with auxiliary electrical interface)

<10 VA (<1.5 W) (with PLC modem)

<10 VA (<2.2 W) (with PLC and wireless MBus modules)

< 0,05 VA (< 0,5 VA if CT operated)

Temperature range: -40°C to +70°C
Internal real-time clock

Accuracy of internal real-time clock

UV stabilized polycarbonate
Backup power supply Li-ion battery and/or Super Cap
Operation duration using only backup:
-Li-ion battery
-Super Cap
> 12 years
> 7 days
Case & Dimensions

Case

UV stabilized polycarbonate
Insulation Protective class II
Protection class IP53 (optional IP54)
Dimensions, mm 260 × 175 × 80
Weight, kg < 1.5 kg