Zhejiang CHINT Instrument & Meter Co., Ltd. DTSU666 Series Quick Operation Manual

Quick operation manual of DTSU666-□series and DSSU666-□series
Thank you for using the products of Zhejiang CHINT Instrument & Meter Co., Ltd. In order to have a
safe and correct use of the instrument, please read this manual carefully and make sure to pay attention to
the following points in use:

This instrument must be installed and maintained by the qualified professionals;

The input signals and auxiliary power supply must be cut off before wiring of the instrument;

Make sure every part of the instrument without voltage by continuously using appropriate
voltage detection device;
The following conditions will lead to the damage or abnormal operation of the device:

Incorrect ratio setting of the instrument;

Out of range of auxiliary power supply、voltage、current、frequency；

Incorrect input polarity of current or voltage;

The terminals are not connected according to the requirements;
1. Technical parameters
Technical parameters
Measuring network
Voltage
Input
signal
Current
Frequency
DSSU666□and
DTSU666□series
Output
Energy
Ｑｕｉｃｋ ｏｐｅｒａｔｉｏｎ ｍａｎｕａｌ
Digital Three-Phase Energy Meter
Rated value
Operating
voltage
Consumption
Resistance
Rated value
Consumption
Resistance
Input range
Display
Active energy
Reactive energy
Active energy
Reactive energy
Energy
measurement
Pulse constant
Table 1
3 phase 3 wire(DSSU666□series)
3 phase 4 wire(DTSU666□series)
3 phase 3 wire
3 phase 4 wire
≤8VA/1W(per phase)
3 phase 3 wire
3 phase 4 wire
＜20mΩ(per phase)
Class1
Class 2
Class 0.5S
Class 2
forward、reverse active energy,
four-quadrant reactive energy.
AC 3×380V；
AC 3×400V
AC 3×380V；
AC 3×400V
AC 3×220/380V；
AC 3×230/400V
１／７
Page
Index
AC 3×380V；AC 3×400V
AC 3×220/380V；AC 3×230/400V
0.7Un—1.2Un
＞500kΩ
AC 5(80)A
AC 1.5(6)A
≤1VA(per phase)
45Hz～65Hz
LCD display
resolving power 0.01kWh
resolving power 0.01kvarh
resolving power 0.01kWh
resolving power 0.01kvarh
AC 6400imp/kWh(imp/kvarh)
1.5(6)A
AC 400imp/kWh(imp/kvarh)
5(80)A
AC 6400imp/kWh(imp/kvarh)
1.5(6)A