Description
The TESLA DRT- 341D series DIN rail three phase four wire energy meters.
With the TESLA product range we have provided a large scale of energy meters on the market suitable for
110V AC to 400V AC (50 or 60Hz). Besides the normal energy meters we also developed our own
pre-paid meters with chip card, chip card re-loaders and a complete PC management control system.
1.2.1 Voltage (V)
Voltage AC (Un) 230/400(3~)
Voltage rang 161/279 to 300/500(3~)
1.2.2 Current (A)
Base (Ib) 10
Max (Imax) 100
Starting current (mA) 0.4% of Ib
1.2.3 Power consumption of current ≤2W /10VA per phase
1.2.4 General data
Frequency(Hz) 50(±10%)
Accuracy 1.0
1.2.5Standards IEC 62053-21
1.2.6 Memory back-up EEPROM
1.2.7 Enclosure material
Upper Polycarbonate
Lower Polycarbonate/glass fibre
DRt-341 series User Manual
1.2.8 Temperature range(℃)
Operating -10℃ to +50℃
Storing -30℃ to +70℃
1.2.9 Humidity
Operating 75%
Storing 95%
1.2.10 Protection
Protection against penetration
Of dust and water IP51
1.2.11 insulating encased meter
Of Protective class II
1.2.12 Voltage withstand
AC voltage withstand 2KV for 1 minute
Impulse voltage withstand 6KV-1.2uS waveform
1.2.13 Current withstand 30Imax for 0.01s
1.2.14 Pulse output rate 400imp/kWh
1.2.15 Data stored More than 20 years when power off
To comply with the protection requirements the meter must be mounted in a class IP 51 enclosure or better
according to IEC 60529.
1.3 Basic errors:
0.05Ib Cosφ = 1 ±1.5%
0.1Ib Cosφ = 0.5L ±1.5%
Cosφ = 0.8C ±1.5%
0.1Ib - Imax Cosφ = 1 ±1.0%
0.2Ib - Imax Cosφ = 0.5L ±1.0%
Cosφ = 0.8C ±1.0%
1.4 Dimension
Height 110 mm
Width 70 mm
Depth 60 mm
Weight 0.5 Kg (net)
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