890CS & 890CD Common Bus Units
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
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A
B
C
D
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E
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E
Caution
The 890CS Common Bus Supply is factory-fitted with a safety bung to
terminals DC+ and DC- which maintains the IP20 rating. Leave this bung
connected unless the terminals are to be used.
Refer to the 890 Installation Kit for earth/ground fixing details. Fit the appropriate parts.
Each unit must be
permanently earthed
according to EN 50178.
For permanent earthing:
A cross-section conductor of at least 10mm² is required. This can be achieved either by using a single
conductor (PE) or by laying a second conductor though separate terminals (PE2 where provided) and
electrically in parallel.