ABB REF 542plus Technical Reference Manual

5.2. Mounting and installation
The Fig. 5.2.-1 shows an example of wide housing base unit installation inside a
low voltage compartment.
A051270
Fig. 5.2.-1 Base unit installation in the low voltage compartment of GIS sw itchgear
Use always the broad flexible cables for grounding of the housing.
Also, use the whole low voltage compartment including the door to
reduce the impact of the high frequency electromagnetic disturbances
into the electronic circuit.
5.3. HMI
The HMI dimensions are shown in Fig. 5.3.-1 and Fig. 5.3.-2.
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REF 542plusREF 542plus
Multifunction Protection and Switchbay Control
Unit
Technical Reference Manual
1MRS755859

ABB REF 542plus Specifications

General

Brand	ABB
Model	REF 542plus
Category	Control Unit
Language	English