Yale 4H42, Руководство пользователя, Страница: 7 / 36

2 Safety-related information
LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
June 2022
Page 7
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2.1.5 Mandatory action signs
Symbol Meaning
General mandatory action sign
Information in the enclosed technical documentation must be
observed.
Work must be carried out by a competent person
Work must be carried out by a competent person (qualified
electrician)
Bolted connections must be tightened to the prescribed tightening
torques
2.2 Further symbols
Symbol Meaning
Important note

Required action
1.
2.
Required actions must be performed in the indicated order
→ Result of a required action
● List
– List (2nd level)