Eaton XV300 Series, Руководство пользователя

Страница: 34 / 103

3. Installation
3.1 Prerequisites for the location of use
3.1.2 Technical conditions for acceptance by Underwriters Laboratories Inc. (UL)
Conditions for Underwriters Laboratories Inc. (UL) certification
The following conditions must be met in order for the certification as per UL 61010-2-
201 to apply:
Ambient Temperature 0 °C to 50 °C
Altitude up to 2000 m
Overvoltage Category II
Pollution degree 2
Supply voltage fluctuations up to -20%/+25% of the nominal voltage
Type ratingUsed in type 4X or type 12 enclousures, Indoor use only, dry locations only
Maximum Relative humidity 95% for temperatures up to 50 °C decreasing linearly to 50%
relative humidity at 40 °C.
Means of protection Class III (SELV or PELV)
The panels shall be mounted in a suitable fire enclousure which shall be serving as a pro-
tection against the spread of fire.
The torque used to tighten the screw terminals on the plug-in connection for the supply
voltage must not exceed 0.6 ... 0.8 Nm (5 ... 7 lb-in).
Required only for XV-3.3-..-.E.-...-..XV300 units with a SmartWire-DT® connection.
The SmartWire-DT® master interface's U
Aux
supply voltage must be externally pro-
tected against overcurrent and short-circuits with the following:
l
Miniature circuit-breaker 24 V
DC
, rated operational current 2 A, trip type Z
l
or a 2 A fuse.
34
XV300 12/15 MN048017 EN www.eaton.eu