Zakład Wytwórczy Aparatów Elektrycznych Sp. z o.o.
25
3.14. Table of tightening torque for screws [Nm]
4. OPERATING MANUAL
Disconnector’s switching is achieved through maneuvering an appriopriate manual or motor operating mechanism.
4.1. Notes on switching operations
a) When switching the disconnector or its earthing switch, the safety at work regulations in force at the place of
their installation must be observed.
Material
Dimension
M6
M8
M10
M12
M16
M20
Steel 8.8
black steel
10
25
50
85
207
405
Steel 8.8
Electrogalvanizing steel
8.6
21
42
72
174
340
Steel 8.8
hot-dip galvanized steel
9
22
45
76
186
364
A2-70
Stainless steel
6
14
29
50
124
240
do not lubricate
lubricate