Sungrow DTSU666-20 - Meter Terminals and CT Details; Current Transformer (CT) Dimensions; Smart Energy Meter Terminal Identification

100 A CT dimensions
250 A CT dimensions
35.5 mm
29.8 mm
15.5 mm
19 mm
32 mm
47 mm
26.5 mm
51 mm
43.5 mm
21.1 mm
22 mm
32.7 mm
42 mm
24 mm
24.9 mm
77.2 mm
Left elevation
Left elevation
Voltage sampling terminalsA
2, 5, 8, 10
D
C
A, B
B
LCD display
Key
Displays active energy and reactive energy, etc
SET: confirm the selection or settings
ESC: return to a previous menu or cancel the settings
→: increase the setting value
Communication terminals
E
PQ-, P+
Reserved
F*
31, 33, 34, 36, 37, 39
CT2 / Coils2 Current Input
G*
91, 92
Reserved
H
1, 3, 4, 6, 7, 9
CT1 / Coils1 Current Input
Three-phase Smart Energy Meter and its terminals
100A/333mV 250A/333mV
The length of the 100 A CT and 250A CT cables is 8000±20mm.If the CT cable is
excessively long, cut it to the appropriate length according to the actual on-site situation.
5
DescriptionDesignation
CO MM
FN
1
Smart Mete r
SE T ES CSE T ES C
2
CT :
*
/0. 3 3
3
V
1
DT S U 66 6-20
UL 61010-1:2 012 , AMD1 :20 19
801 681
AC 3 X5 7. 7/ 10 0V.. .3 X2 40 /4 15 V
50/ 60Hz
1.2W
CO MM
FN
1
Smar t Me te r
SE T ESCSET ESC
2
CT 1:*A/0.33 3V
CT 2:*A/0.33 3V
DT S U 666 -2 0
AC 3X57.7/100 V... 3X 24 0/ 41 5V
50/60Hz
1.2W
H
F
G
A
B
C
D
E
4:!48!47!45!44!42!:3!:2 :!!8!!!7!!!5!!!4!!!2!
M2 M3 M4 O
* Please remove the shorting wires as needed, and remain the wires for those unused