4-3
IM CW240E
Wiring
4
4.2 Installing the CW240
Install the CW240 in locations meeting the following conditions:
● Location
Indoor
● Ambient Temperature and Humidity
• Ambient temperature : 5°C to 40°C
• Ambient humidity : 5 to 85% R.H
(no condensation)
● Operating Altitude
• 2000 m max. above sea level
● Measurement Category (CAT.)
The measurement category of the CW240 is III.
II
Measurement
category
CAT.IV
Appliances, portable
equipments, etc.
Distribution board, circuit
breaker, etc.
Overhead wire, cable
systems, etc.
For measurements performed
on circuits directly connected
to the low voltage installation.
For measurements performed
in the building installation.
For measurements performed
at the source of the low-voltage
installation.
DescriptionRemarks
CAT.II
CAT.IIIIII
IV
Internal Wiring
Outlet
Entrance
Cable
IV
III
T
II
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