![background image](http://html.mh-extra.com/html/abb/amd-rg-355/amd-rg-355_installation-operation-and-maintenance-instructions_3045307016.webp)
Installation, operation and maintenance instructions
High voltage flameproof motors for explosive atmosphere
AMD Rg 355-400-450-500
General information about motor identification and Ex-Markings
Issued by: MOLM
Sheet No.
PMD06062019
Rev. 01
01.2023
Page 3 of 4
We
res
erv
e
a
ll
ri
g
ht
s
in
this
d
oc
um
ent
an
d
in
th
e
infor
mati
o
n
con
tain
e
d
th
er
e
in
.
R
ep
rod
uct
ion
,
use
o
f
disc
losure
t
o
th
ir
d
pa
rt
ies
w
itho
ut
expr
ess
au
th
ori
ty
is
s
tr
ic
tly
f
orbi
dd
en
.
1
Motor type
AMD Medium Voltage Induction motor with protection modes Ex db / Ex db eb / Ex tb
2
Shaft height
355
400
450
500
3
Frame type
S
Small
M
Medium
L
Large
4
Number of poles
2
4
…
5
Cooling Type
R
Rib cooled
6
Mounting arrangement
B
Horizontal
V
Vertical
7
Bearing type
A
Antifriction bearing
S
Sleeve bearings (IIB only)
8
Protection type
B
Explosion proof enclosure for Equipment Group IIB
C
Explosion proof enclosure for Equipment Group IIC
M
Explosion proof enclosure for Mines susceptible to firedamp - Group I
9
Alternative variants respect to standard manufacturing (if present)
x
Mechanical variants
y
Electrical variants
z
Material type variants
10
Supply mode (if present)
F
Feeding with frequency converter
11
Frame material
g
Cast iron frame
12
Manufacturing location
H
ABB Oy
Hiomotie 13, 00380 Helsinki - FINLAND
S
ABB Ltd
n. 380, Tian Xing Road – Minhang District – Shanghai – CHINA
Tab 1.
Motor Designation Code