4
Safety Symbols
1. Protective earth (ground)
To identify any terminal which is intended for connection to
an external conductor for protection against electric shock
In case of a fault, or the terminal of a protective earth
(ground) electrode.
2
.
Functional earth terminal on the rear panel.
3 “IN” position of a bi-stable push control
To associate the “IN” position of a bi-stable push control
with the corresponding function.
4. “OUT” position of a bi-stable push control
To associate the “OUT” position of a bi-stable push control
with the corresponding function.
5. Alternation current
To indicate on the rating plate that the equipment is
Suitable for alternating current only to identify relevant
terminals.
6. Caution, risk of danger
7. Caution, risk of electric shock
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