63 • Application diagrams
8.2 Control Supply, Control Input and Mains are From t
he Same Source, Neutral Connected to Terminal
21
Notes:
• Use this diagram when Control Supply,
Control Input and mains are all from
the same source, and terminal 21 is
connected to neutral as per section
8.1 page 62.
• Supply must be protected for short
circuit and over load. 6A fuse is
recommended.
• It is recommended to use a separate
fuse for the auxiliary circuits.
8.3 Control Supply and Control Input From the Same Source, Neutral not Connected to Terminal 21
Notes:
• Use this diagram when mains and
control voltage are not from the same
source
or
when mains and control voltage are
from the same source, but terminal 21
is not connected to neutral as per
section
8.1 page 62.
In this case leave terminal 21 open.
• Supply must be protected for short
circuit and over load. 6A fuse is
recommended.
• It is recommended to use a separate
fuse for the auxiliary circuits.
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