KW8M Eco-POWER METER
11
Recommended Cable
Use the transmission cables shown below for Eco-POWER METER RS485 communication system.
Cable
Cable
diameter
Applicable cable
Size
℃）
Material Thickness
Twisted-
pair
with shield
1.25 mm
2
(AWG16)
or more
Max.16.8Ω/km
Polyethylene
Max.
0.5 mm
Approx.
8.5 mm
KPEV-S
1.25 mm
2
×1P
0.5 mm
2
(AWG20)
or more
Max.33.4Ω/km
Polyethylene
Max.
0.5 mm
Approx.
7.8 mm
KPEV-S
0.5 mm
2
×1P
VCTF
(AWG18)
Max.25.1Ω/km
PVC
Max.
0.6 mm
Approx.
6.6 mm
0.75 mm
2
×2C
1) Use shielded type twist cables.
2) Use only one type of the transmission cables.
2) Do not mix different types of the cables.
3) Use twist pair cables under a bad noise environment.
Twisted-pair
with shield
VCTF
3.6 Low Voltage Directive
When using in the application confirming to EN61010-1/IEC61010-1, make sure to satisfy the following
conditions.
(1) Pulse output part and communication part secure only basic insulation. In order to secure reinforced
(double) insulation demanded by EN 61010-1/ IEC61010-1, secure basic insulation or more with
load side for output part and secure basic insulation or more with communication system side for
communication part.
(2) Provide the voltage input part with an EN60947-1 or EN60947-3 compliant circuit breaker.
The breaker that connects to the voltage input part must arrange at the position easily reached,
and display shows it is the breaker of the equipment.
(3) Use a wire with basic insulation or more for a wire cramped (or connected) CT.
【Environmental conditions】
・Overvoltage category Ⅱ, Pollution degree 2
・Indoor use
・An ambient temperature of –10 to 50℃
・An ambient non-condensing humidity of 35 to 85%RH (at 20℃)
・Altitude of 2000m or less
【Mount the product in a place with】
・A minimum of dust, and an absence of corrosive gases
・No flammable, explosive gasses
・Few mechanical vibrations or shocks
・No exposure to direct sunlight
・No large capacity electromagnetic switches or cables through which large current is flowing
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