Siemens UL 489 - Combination of MOC And Mutual Mechanical Interlocking Module; Mounting of MOC and Mutual Mechanical Interlocking Module on the Cradle

12 – 14
12.8.4 Combination of MOC and
mutual mechanical interlocking module
For the MOC to be combined and operated with the mutual mechanical interlocking module, a special clutch shaft must be used in place 
of the normal one.
(1) Clutch shaft
(2) Lock-nut
12.8.5 Mounting of MOC and mutual mechanical interlocking module on the cradle
Mount on fixed-mounted circuit breakers accordingly
Longer side turned upwards
12 Nm
105 lb-in
wrench size
13mm
(1)
(2)
MOC
Side wall
Mutual mechanical interlocking module
8 Nm
71 lb-in
5
Size