Table of Contents
2
Installing the DTSU666-HW
1.
Install the Smart Power
Sensor on the standard
guide rail of DIN35mm.
2.
Press the Smart Power
Sensor downwards onto
the guide rail, and then
push it in place along
the guide rail.
1.4
3
Installing Cables
3.1
Preparing Cables
Cable
UA-1 and 3
Channel 1
UB-4 and 6
voltage
UC-7 and 9
cable
UN-10 and 12
Channel 2
voltage
cable
Channel 2
current
transformer
cable
Communications
cable
The maximum torque of 1, 3, 4, 6, 7, 9, 10, and 12 terminal screws is 1.7 N· m, and the
recommended torque is 0.9–1.1 N· m. The maximum torque of 31, 33, 34, 36, 37, 39, 24,
and 25 terminal screws is 0.4 N· m, and the recommended torque is 0.15
Port
Single-core
outdoor copper
UA-1
Single-core
UB-4
outdoor copper
UC-7
UN-10
IA*-31
IA-33
Single-core
IB*-34
outdoor copper
IB-36
IC*-37
IC-39
RS485A-24
Two-core outdoor
shielded twisted
RS485B-25
pair copper cable
Conductor
Cross-
Type
sectional
Area Range
25 mm
cable
4–25 mm
cable
2–4 mm
cable
0.25–1.5
mm
3
Outer
Diameter
Prepared by
2
10 mm
the customer
Prepared by
2
5–10 mm
the customer
Prepared by
the customer
2
3–5 mm
or supplied
with current
transformers
Supplied by
4–11 mm
2
manufacturer
–
0.25 N· m.
Source
the
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