ABB REF542plus - Set-Up Area and Required Environmental Conditions

REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04 REF542plus: Installation and Commissioning 14 / 80
The following table shows the data relevant for mounting.
Table 1: Relevant data for mounting
Design
Weight Standard version: … kg depending on equipment
Wide version: … kg depending on equipment
Installation type HMI: semiflush on the LV door
Central unit: in the LV compartment
Dimensions 185 x 244.8 x 261.5 mm (W x H x D) Standard version
229 x 244.8 x 261.5 mm (W x H x D) Wide version
Panel cutout 206 x 121 mm (W x H)
4.2.1 Set-up Area and Required Environmental Conditions
Please note the following information regarding the set-up area:
Allow sufficient space for access to the. The connections must be easily accessible.
Access to the Central Unit in the LV compartment must be easy for the following rea-
sons:
to replace the unit,
to expand the unit,
to replace specific electronic equipment boards and
to replace specific modules if necessary.
Because the unit is sensitive to non-permitted severe environmental conditions,
please observe the following:
The set-up area must be free of excessive air contamination (dust, aggressive sub-
stances…).
The natural air circulation around the unit must be free.
The set-up area must maintain the specified environmental conditions