SolaX Power DDSU666-CT User Manual

Cable Connection
5
Table 3-2 DTSU666-CT terminal definition
No. Terminal No. Terminal Definition Description
A
2, 5, 8 UA, UB, UC
Voltage input terminal of phase A, B
and C, respectively connected to L1,
L2 and L3 wire
10 UN
Phase N voltage input terminal,
connected to the N wire
B
1, 4, 7 IA*, IB*, IC*
Current input terminal of phase A, B
and C, connected to S1 wire of CT
3, 6, 9 IA, IB, IC
Current output terminal of phase A, B
and C, connected to S2 wire of CT
C
24 RS485A RS485 terminal A
25 RS485B RS485 terminal B
Note: The terminals in the same box are a pair.
3.2 Cable Requirements
Table 3-3 Cables for DDSU666-CT
Usage
Terminal
No.
Cable type
(Recommended)
Sectional
area
(mm
2
)
Outer
diameter
(mm)
Torque
(N·m)
Voltage
cable
1
Multi-core outdoor
copper wire
4~25 5~10
Max.: 1.7
Rec
.
:0.9~1.1
2
CT cable
9
Multi-core outdoor
copper wire
1.5~2.5 3~5
Max.: 0.4
Rec
.
:0.15~0.25
10
COM cable
24
Two-core outdoor
shielded twisted
pair cable
0.25~1.5 4~11
25

SolaX Power DDSU666-CT Specifications

General

Brand	SolaX Power
Model	DDSU666-CT
Category	Measuring Instruments
Language	English