GM300  is  an  advanced  Three  Phase  Smart  Energy  Meter  that  is  designed  especially  for  power  plant,  high  voltage  level  grid  accurate  settlement  like  regional  power  grid  and  provincial  power  grid.

      GM300 provides pefect metering and management functions. The accuracy of the meter is higher than IEC 62052-22 and IEC 62053-24 standards.Also,the meter is equipped with communication port which is in accordance with DLMS standards.

      GM300 is excellent in full-scale measurement accuracy, anti-interference and reliability. 

Measurement

•  Class 0.2S for active energy. 
•  Class 0.5s/Class 1s/ Class 2 for reactive energy.
• Accuracy in 15 year s lifespan <0.1%.

Voltage

• Reference voltage: 3×57.7V/100V~3×240V/415V，3×100V~3×120V.
• Work voltage:0.8Un～1.2 Un.
• Limit work voltage:0.7 Un～1.3 Un.
• Auxiliary power supply:85～265V AC or 00～300V DC，max consumption 6VA.
•  Frequency: 50/60Hz.

Current:

• CT range:1(10)A，1.5(6)A ，0.3(1.2)A.
• Short time over-current:30 times Imax for 0.5 cycle.
•  Burden :< 0.5W/ Phase.
•  Starting current: 0.1% In.

Load profile：

•  Non-volatile memory 4M FLASH.
• over 600 days storage (1channel, 30 minutes interval).
• Interval time is configurable from 1 m to 60m.
• TOU for active、reactive,max.demand occurrence time records.

Measured Energy Values

• Input and export kWh, kvarh.
• Four quadrants Kvarh.

Environment

• Operating temp.: -25°C ~ +55°C.
• Limit operating temp.:-35°C ~+65°C. 
• Relative humidity: 95% non-condensing.
• Ingress Protection: IP54 (indoor).