nord B 1091 Product guide

B 1091 – en
Motors
Operating and Assembly Instructions

Motors – Operating and Assembly Instructions
2 B 1091 en-2722
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Safety and operating instructions for electric motors
(according to: Low Voltage Directive 2014/35/EU)
1 General
During operation, devices may, depending on their protection class, have
live, bare, moving or rotating parts or hot surfaces.
Unauthorised removal of covers, improper use, incorrect installation or
operation causes a risk of serious personal injury or material damage.
Further information can be found in this documentation.
All transportation, installation commissioning and maintenance work must
be carried out by qualified personnel (compliant with IEC
364 or.
CENELEC HD 384 or DIN VDE 0100 and IEC 664 or DIN VDE 0110 and
national accident prevention regulations).
For the purposes of these basic safety instructions, qualified personnel
are persons who are familiar with the assembly, installation,
commissioning and operation of this product and who have the relevant
qualifications for their work.
2. Proper use in Europe
The devices are components intended for installation in electrical systems
or machines.
When installed in machines, the devices must not be commissioned (i.e.
commencement of the proper use) un
til it has been ensured that the
machine meets the provisions of the EC Directive 2006/42/EEC
(Machinery Directive); EN 60204 must also be complied with.
Commissioning (i.e. implementation of proper use) is only permitted if the
EMC directive (2014/30/EU) is complied with.
Devices with a CE label meet the requirements of the Low Voltage
Directive 2014/35/EU. The stated harmonized standards for the devices
are used in the declaration of conformity.
Technical data and information for connection conditions can be found on
the rating plate and in the documentation, and must be complied with.
The devices may only be used for safety functions which are described
and explicitly approved.
3. Transport, storage
Information regarding transport, storage and correct handling must be
complied with.
4. Installation
The installation and cooling of the equipment must be implemented
according to the regulations in the corresponding documentation.
The devices must be protected against impermissible loads.
Especially during transport and handling, components must not
be deformed and/or insulation distances must not be changed.
Electrical components must not be mechanically damaged or
destroyed (this may cause a health hazard!).
5. Electrical Connection
When working on live devices, the applicable national accident
prevention regulations must be complied with.
The electrical installation must be implemented according to the
applicable regulations (e.g. cable cross-section, fuses, earth lead
connections). Further instructions can be found in the
documentation.
Information regarding EMC-compliant installation –
such as
shielding, earthing, location of filters and installation of cables –
can be found in the documentation for the devices. These
instructions must be complied with even with CE marked devices.
Compliance with the limiting values specified in the EMC legal
regulations is the responsibility of the manufacturer of the system
or machine.
6. Operation
Where necessary, systems in which the devices are installed
must be equipped with additional
monitoring and protective
equipment according to the applicable safety requirements, e.g.
legislation concerning technical equipment, accident prevention
regulations, etc.
The parameterisation and configuration of the devices must be
selected so that no hazards can occur.
All covers must be kept closed during operation.
7. Maintenance and repairs
The following applies in particular for operation with frequency
inverters:
After the devices are disconnected from the power supply, live
equipment components and
power connections should not be
touched immediately, because of possible charged capacitors.
Observe the applicable information signs located on the device.
Further information can be found in this documentation.
These safety instructions must be kept in a safe place!

Documentation
B 1091 en-2722 3
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Documentation
Title:
B 1091
Order no.:
6051302
Series:
Asynchronous motors / synchronous motors
1)
2)
3)
• Single and three-phase asynchronous motors
SK 63*1)/*2) *3) to SK 315*1)/*2) *3)
Power labelling: S, SA, SX, M, MA, MB, MX, L, LA, LB, LX, R, X, Y, A, W
- optionally supplemented with: H, P
Pole number labelling: 2, 4, 6, 8, …
Further options
1)
2)
3)
• Three-phase asynchronous motors
SK 63*1)/*2) 2D *3) to SK 250*1)/*2) 2D *3)
Power labelling: S, SA, SX, M, MA, MB, MX, L, LA, LB, LX, R, X, Y, A, W
- optionally supplemented with: H, P
Pole number labelling: 4, 6
Options
with ATEX labelling II 2D Ex tb IIIC T . . . °C Db
1)
2)
3)
SK 63*1)/*2) 3D *3) to SK 250*1)/*2) 3D *3)
Power labelling: S, SA, SX, M, MA, MB, MX, L, LA, LB, LX, R, X, Y, A, W
- optionally supplemented with: H, P
Pole number labelling: 4, 6
Options
with ATEX labelling II 3D Ex tc IIIB T . . . °C Dc
1)
2)
3)
SK 63*1)/*2) 2G *3) to SK 200*1)/*2) 2G *3)
Power labelling: S, SA, SX, M, MA, MB, MX, L, LA, LB, LX, R, X, Y, A, W
- optionally supplemented with: H, P
Pole number labelling: 4, 6
Further options
with ATEX labelling II 2G Ex eb IIC T3 Gb
1)
2)
3)
SK 63*1)/*2) 3G *3) to SK 200*1)/*2) 3G *3)
Power labelling: S, SA, SX, M, MA, MB, MX, L, LA, LB, LX, R, X, Y, A, W
- optionally supplemented with: H, P
Pole number labelling: 4, 6
Further options
with ATEX labelling II 3G Ex ec IIC T3 Gc

Motors – Operating and Assembly Instructions
4 B 1091 en-2722
Version list
Title,
Date
Order number /
Version
Remarks
Internal code
B 1091,
January
2015
6051302 / 0215
-
B 1091,
March 2016
6051302 / 1016
• General corrections
• Structural modifications to the document
B 1091,
December
2016
6051302 / 4816
• General corrections
B 1091,
June 2017
6051302 / 2417
• Technical supplements
B 1091,
August 2017
6051302 / 3517
• Technical supplements
B 1091
,
June 2018
6051302
/ 2318 • General corrections
• Update of EU Declaration of Conformity 2D / 3D
B 1091,
August 2018
6051302 / 3118
• General corrections
• Section for operation with frequency inverter removed
• Section for special operating conditions, permissible surrounding area
supplemented
• Ignition protection type labelling and name plates updated
• Update of EU Declaration of Conformity 2G / 3G
B 1091,
June 2019
6051302 / 2319
• General corrections
• Update of EU Declaration of Conformity 3D
B 1091,
October
2020
6051302 / 4020
• General corrections
• Supplement to new section for use of explosion-protected electric
motors in the People's Republic of China
B 1091,
March 2021
6051302 / 1221
• General corrections
B 1091
, July
2021
6051302
/ 2721 • Supplement to section
– Explosion-protected electric motors according to Class I Div.2
– Explosion-protected electric motors according to Class II Div.2
B 1091, July
2022
6051302 / 2722
• General corrections
• Update of standard specifications
• Removal of the chapter for synchronous motors (see new manual
B5000)
• Incremental encoder added
34158

Copyright notice
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Copyright notice
As an integral component of the device described here, this document must be provided to all
users in a suitable form.
Any editing or amendment or other utilisation of the document is prohibited.
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Publisher
Getriebebau NORD GmbH & Co. KG
Getriebebau-Nord-Straße 1 •22941 Bargteheide, Germany •http://www.nord.com
Fon +49 (0) 45 32 / 289-0 •Fax [phone]
Member of the NORD DRIVESYSTEMS Group
=== En de der Lis te für T extmar ke Copyr ight = ==

Motors – Operating and Assembly Instructions
6 B 1091 en-2722

Table of Contents
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Table of Contents
=== Ende d er List e f ür T extm ar ke Inhal tsv erz eic h nis = = =
1General.........................................................................................................................................................9
1.1 Safety and installation notes ............................................................................................................10
1.1.1 Explanation of labels used..................................................................................................10
1.1.2 List of safety and installation notes.....................................................................................11
1.2 Field of use ......................................................................................................................................12
1.3 Correct handling of electric motors...................................................................................................13
1.3.1 Transport, storage ..............................................................................................................13
1.3.2 Installation ..........................................................................................................................13
1.3.3 Balancing, drive elements ..................................................................................................14
1.3.4 Alignment ...........................................................................................................................15
1.3.5 Output shafts ......................................................................................................................15
1.3.6 Maximum thermal expansion at rated values .....................................................................15
1.3.7 Electrical connection...........................................................................................................16
1.3.8 Operation with frequency inverters.....................................................................................17
1.3.9 Checking the insulation resistance .....................................................................................20
1.3.10 Commissioning...................................................................................................................20
1.3.11 Disposal..............................................................................................................................21
2Maintenance and servicing ......................................................................................................................22
2.1 Safety measures ..............................................................................................................................22
2.2 Bearing replacement periods ...........................................................................................................23
2.3 Maintenance intervals ......................................................................................................................24
2.4 General overhaul..............................................................................................................................24
3ATEX Explosion hazard areas..................................................................................................................25
3.1 Motors with increased ignition protection, type Ex eb ......................................................................25
3.1.1 Cable glands.......................................................................................................................26
3.1.2 Cable connections..............................................................................................................26
3.1.3 Terminal box cover seals....................................................................................................27
3.1.4 Motor position – special features IM V3, IM V6 ..................................................................27
3.1.5 Further operating conditions...............................................................................................28
3.1.6 Protective devices ..............................................................................................................28
3.1.7Operation with frequency inverter.......................................................................................29
3.1.8 Repairs ...............................................................................................................................30
3.1.9 Painting ..............................................................................................................................30
3.1.10 Name plate of NORD Ex eb motors according to EN IEC 60079-0:2018 ...........................31
3.1.11 Applied standard versions ..................................................................................................31
3.2 Motors with ignition protection class Non Sparking Ex ec................................................................32
3.2.1 Cable glands.......................................................................................................................33
3.2.2 Cable connections..............................................................................................................33
3.2.3Terminal box cover seals....................................................................................................34
3.2.4 Motor position – special features IM V3, IM V6 ..................................................................34
3.2.5 Further operating conditions...............................................................................................35
3.2.6 Protective devices ..............................................................................................................35
3.2.7 Repairs ...............................................................................................................................35
3.2.8 Painting ..............................................................................................................................36
3.2.9 Type plate for NORD Ex ec motors according to EN IEC 60079-0:2018............................37
3.2.10 Applied standard versions ..................................................................................................37
3.3 Motors for use in Zone 21 and Zone 22 according to EN 60079 and IEC 60079.............................38
3.3.1 Commissioning information / Application area....................................................................39
3.3.2 Terminal box cover seals....................................................................................................40
3.3.3 Electrical Connection..........................................................................................................40
3.3.4 Cable glands.......................................................................................................................41
3.3.5 Permissible ambient temperature range.............................................................................42
3.3.6 Painting ..............................................................................................................................42
3.3.7 IEC-B14 motors..................................................................................................................42
3.3.8 Motor position – special features IM V3, IM V6 ..................................................................42
3.3.9 Further operating conditions...............................................................................................43
3.3.10 Design and operating principle ...........................................................................................43
3.3.11 Minimum cross section of bonding conductors...................................................................43
3.3.12 Maintenance.......................................................................................................................44

Motors – Operating and Assembly Instructions
8 B 1091 en-2722
3.4 Options for motors for use in Zone 21 and Zone 22.........................................................................45
3.4.1 Operation with frequency inverters.....................................................................................45
3.4.2 External fan ........................................................................................................................46
3.4.3 Second temperature sensor 2TF........................................................................................47
3.4.4 Back stop............................................................................................................................47
3.4.5 Brake ..................................................................................................................................47
3.4.6 Incremental encoder...........................................................................................................48
3.4.7 Overview of brake attachment for NORD ATEX motors .....................................................48
3.4.8 Name plate of motors (Ex tb, Ex tc) according to EN 60079 for FI operation .....................49
3.5 Motors according to TP TC012/2011 for the Eurasian Economic Union ..........................................50
3.5.1 Type plates / Labelling........................................................................................................50
3.5.2 Standards ...........................................................................................................................51
3.5.3 Service life..........................................................................................................................51
3.5.4 Special operating conditions (X-labelling)...........................................................................51
3.6 Motors according to GB 12476.1-2013 / GB 12476.5-2013 for the People's Republic of China ......52
3.6.1 Type plates / Labelling........................................................................................................52
3.6.2 Standards to be observed during operation and maintenance ...........................................53
3.7 Explosion-protected electric motors according to Class I Div.2........................................................54
3.7.1 Cable connections..............................................................................................................55
3.7.2 Terminal box cover seals....................................................................................................55
3.7.3 Electrical Connection..........................................................................................................56
3.7.4 Motor position – special features IM V3, IM V6 ..................................................................56
3.7.5 Further operating conditions...............................................................................................57
3.8 Explosion-protected electric motors according to Class II Div.2.......................................................58
3.8.1 Terminal box cover seals....................................................................................................59
3.8.2 Electrical Connection..........................................................................................................60
3.8.3 Motor position – special features IM V3, IM V6 ..................................................................60
3.8.4 Cables and cable glands ....................................................................................................61
3.8.5 Painting ..............................................................................................................................61
3.8.6 IEC-B14 motors ..................................................................................................................61
3.8.7 Further operating conditions...............................................................................................61
3.8.8 Minimum cross section of bonding conductors...................................................................62
3.8.9 Operation with frequency inverters.....................................................................................63
3.8.10 Maintenance.......................................................................................................................64
4Replacement parts ....................................................................................................................................65
5Declarations of Conformity ......................................................................................................................66
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Table of Contents
B 1091 en-2722 9
1 General
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These operating instructions must be read before NORD motors are transported, installed,
commissioned, serviced or repaired. All persons who are involved in these tasks must observe these
operating instructions. In order to prevent injury or damage, all of the safety information in these
operating instructions must be strictly observed.
The information and instructions in the instructions, safety and commissioning information which is
supplied, as well as all other instructions must be observed.
This is essential to prevent injury and damage.
The applicable national, local and plant-specific regulations and requirements and regulations must be
observed.
Technical details may vary for special designs and constructions. In case of doubt, we urgently
recommend that the manufacturer is contacted, giving details of the type designation and the
motor number.
Qualified personnel are persons who due to their training, experience and instruction, and their
knowledge of the relevant standards, accident prevention regulations and operating conditions are
authorised to carry out the necessary activities.
This also includes knowledge of first aid measures and the local emergency services.
It is assumed that the work for transport, assembly, installation, commissioning, maintenance and repair
will be performed by qualified staff.
In particular, the following must be observed:
• Technical data and information regarding permissible use, installation, connection, ambient and
operating conditions, which are contained in the catalogue, the order documents and other
documentation for the product.
• Local and plant-specific regulations and requirements
• Correct use of tools, lifting and transportation equipment
• Use of personal protective equipment
For reasons of clarity, the operating instructions do not contain detailed information about possible
versions and therefore do not consider all possible cases of installation, operation or servicing.
Because of this, these operating instruction essentially only contain the information which is necessary
for proper use by qualified personnel.
In order to prevent faults it is necessary that the prescribed service and inspection work is carried out
by appropriately qualified personnel.
• For the operation on an inverter, the planning guideline B1091-1 forms a part of these operating
instructions.
• The supplementary operating instructions must be observed if an external fan is present.
• For braking motors, the supplementary brake operating instructions must be observed..
If the operating instructions or the planning guide are lost for any reason, these documents must be
obtained from NORD.
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Motors – Operating and Assembly Instructions
10 B 1091 en-2722
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1.1 Safety and installation notes
The devices are operating materials intended for use in industrial high voltage systems, and are
operated at voltages that could lead to severe injuries or death if they are touched.
The device and its accessories must only be used for the purpose which is intended by the manufacturer.
Unauthorised modifications and the use of spare parts and additional equipment which has not been
purchased from or recommended by the manufacturer of the device may cause fire, electric shock and
injury.
All of the associated covers and protective devices must be used.
Installation and other work may only be carried out by qualified electricians with strict adherence to the
operating instructions. Therefore keep these Operating Instructions at hand, together with all
supplementary instructions for any options which are used, and give them to each user.
Local regulations for the installation of electrical equipment and accident prevention must be complied
with.
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1.1.1 Explanation of labels used
DANGER Indicates an immediate danger, which may result in death or serious
injury.
WARNING Indicates a possibly dangerous situation, which may result in death or
serious injury.
CAUTION Indicates a possibly dangerous situation, which may result in slight or
minor injuries.
NOTICE Indicates a possibly harmful situation, which may cause damage to the
product or the environment.
Note Indicates hints for use and useful information.
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