NORD Drivesystems B2050 User Manual
Page 22
3. Assembly instruction,
storage, transport, preparation, installation
-22- B2050-GB-0613
www.nord.com
3.14 Fitting a standard motor
Danger!
Only standard motors with an adequate ATEX Zone category according to the name
plate may be used. In addition, for ATEX category 2D gear units (see the ATEX labelling
on the last line of the gear unit name plate), the motor must have at least protection
class IP6x.
Only couplings which are approved and labelled for use in explosion hazard areas may
be used. The ATEX labelling must conform to the details of the system and/or machine
design.
The maximum permitted motor weights indicated in the table below must not be exceeded when
attaching the motor to an IEC- / NEMA adapter:
Maximum permitted motor weights
IEC motor size
63
71
80
90
100
112
132
NEMA
motor size
56C 143T 145T 182T 184T 210T
Maximum
motor weight
[kg]
25 30 40 50 60 80 100
IEC motor size
160
180
200
225
250
280
315
NEMA
motor size
250T 280T 324T 326T 365T
Maximum
motor weight
[kg]
200 250 350 500 700 1000
1500
Transnorm
315
355
400
450
Maximum
motor weight
[kg]
1500 2200 3200 4400