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Installation, operation and maintenance instructions
High voltage flameproof motors for explosive atmosphere
AMD Rg 355-400-450-500
Rolling bearings maintenance and checking
Issued by: MOLM
Sheet No.
3AAM101040 E
Rev. B
01.2023
Page 11 of 11
We
res
erv
e
all
r
ig
ht
s
in
th
is
doc
u
ment
and
in
th
e
inf
ormat
io
n
co
nt
ai
n
e
d
th
ere
in.
R
epr
o
duc
tion
,
us
e
of
di
sc
los
ur
e
to
thir
d
pa
rt
ies
w
ithout
ex
pr
es
s
au
th
ority
is
st
ric
tly
f
or
bidd
en.
Size
N° of Poles
2
4
6
8
10
12
355...R..gM(H,S)
55000
35000
42000
/
/
/
400...R..gM(H,S)
50000
53000
80000
/
/
/
450...R..gM(H,S)
62000
100000
100000
100000
100000
100000
500…R..gM(H,S)
NA
100000
100000
100000
100000
100000
* If the operating frequency is 60 Hz, the values in the table are to be divided by 1.2
Table 19. AMD with vertical assembly and tube circuit cooling, operating at 50 Hz and 60 Hz*.
Size
N° of Poles
2
4
6
8
10
12
500…T
/
100000
100000
100000
100000
100000
560…T
/
100000
100000
100000
100000
100000
630…T
/
100000
100000
100000
100000
100000
710…T
/
70000
70000
70000
60000
70000
900…T
/
/
70000
100000
80000
95000
14
16
18
900…T
100000
100000
100000
* If the operating frequency is 60 Hz, the values in the table are to be divided by 1.2