CHINT DTSU666 Series User Manual

DTSU666 series and DSSU666 series
three phase electronic energy meter
ZTY0.464.1448
User manual
Page 2, Total 21
1.3 Product model
Table 1 product model and specification
Model
Reference
voltage
（V）
Current
specification
（A）
Impulse constant
Accuracy class
imp/kWh
imp/kvarh
DTSU666-CT
3×220/380V...
3×240/415V
0.015-1.5(6)A
6400
6400
active energy
EN 50470-3:Class C
DTSU666
0.25-5(80)A
400
400
active energy
EN 50470-3:Class B
DTSU666
3×230/400V
OR
3×220/380V
1.5(6)A
6400
6400
Active class
0.5S,reactive class 2
5(80)A
400
400
Active class 1.
Reactive class 2
DSSU666
3×400V
OR 3×380V
1.5(6)A
6400
6400
Active class
0.5S,reactive class 2
5(80)A
400
400
Active class 1.
Reactive class 2
DTSU666
3×277/480V
Customized
specifications
1.5(6)A
6400
6400
Active class
0.5S,reactive class 2
5(80)A
400
400
Active class 1.
Reactive class 2
DSSU666
3×480V
Customized
specifications
1.5(6)A
6400
6400
Active class
0.5S,reactive class 2
5(80)A
400
400
Active class 1.
Reactive class 2
Note1：0.015-1.5(6)A is Connection through current transformers,starting current is 0.015A;
Note2：0.25-5(80)A is direct access,starting current is 0.02A;
Note3：1.5 (6)A is connected through current transformer, 5 (80) A is directly connected. In order to
meet the requirements of different countries and regions, the specifications are slightly different,
subject to the actual object.
Note4：The above voltage specifications support 3×127/220V and 3×57.7/100V access.
Note5：Customized specification 3×277/480V are only suitable for specific occasions, the voltage of
line A must be above 100V. The maximum phase voltage does not exceed 310V(three-phase four-wire),

CHINT DTSU666 Series Specifications

General

Type	Three-phase electronic energy meter
Rated Current	5A
Starting Current	0.004Ib
Frequency	50/60Hz
Display	LCD
Mounting	DIN rail
Operating Temperature	-25°C to +55°C
Storage Temperature	-40°C to +70°C
Protection Level	IP51
Rated Voltage	3x230/400V
Communication	RS485
Weight	0.5 kg
Standards	IEC 62052-11
Accuracy Class	0.5S
Humidity	<95% non-condensing