
3
Motor structure
Designs and options
Operating Instructions – EDR..71 – 315, EDRN63 – 315
27
3.9
Designs and options
3.9.1
Explosion-proof motors
The following table shows the possible explosion protection categories:
Design
Option
/2G
Motors according to Directive 2014/34/EU, category 2 (gas)
/2D
Motors according to Directive 2014/34/EU, category 2 (dust)
/2GD
Motors according to Directive 2014/34/EU, category 2 (gas/dust)
/3G
Motors according to Directive 2014/34/EU, category 3 (gas)
/3D
Motors according to Directive 2014/34/EU, category 3 (dust)
/3GD
Motors according to Directive 2014/34/EU, category 3 (gas/dust)
3.9.2
Output types
The following table shows possible output designs:
Designation
Design
Option
/FI
/2G, /2D, /2GD,
/3G, /3D, /3GD
IEC foot-mounted motor
/F.A, /F.B
Universal foot-mounted motor
/FG
7-series integral motor, as stand-alone motor
/FF
IEC flange-mounted motor with bore
/FT
IEC flange-mounted motor with threads
/FL
General flange-mounted motor (other than IEC)
/FM
7-series integral motor with IEC feet
/FE
IEC flange-mounted motor with bore and IEC feet
/FY
IEC flange-mounted motor with thread and IEC feet
/FK
General flange-mounted motor (other than IEC) with feet
3.9.3
Mechanical attachments
The following table shows possible mechanical attachments:
Designation
Design
Option
/BE..
/3G, /3D, /3GD
Spring-loaded brake with specification of size
HR
Manual brake release of the brake, re-engaging
HF
Manual brake release, lockable
/RS
/2G, /2D, /2GD
/3G, /3D, /3GD
Backstop
25896334/EN – 06/2019