Machine Instructions
NOTE
These instructions must be followed to ensure safe
and proper installation, operation and maintenance
of the motor. They should be brought to the
attention of anyone who installs, operates or
maintains this equipment. Ignoring the instruction
may invalidate the warranty.
Warning
Motors for hazardous areas are specially de-
signed to comply with official regulations concern-
ing the risk of explosion. If improperly used, badly
connected, or alter, no matter how minor, their
reliability could be in doubt.
Standards relating to the connection and use of
electrical apparatus in hazardous areas must be
taken into consideration, especially national
standards for installation. Only trained personnel
familiar with these standards should handle this
type of apparatus.
Declaration of Conformity
All ABB motors comply with:
-
The Low Voltage Directive 73/23/EEC amended by
Directive 93/68/EEC
-
EMC Directive 89/336/EEC, amended by
92/31/EEC, and 93/68/EEC.
-
Declaration of Incorporation with respect to the
Machinery Directive 89/392/EEC, amended by
91/368/EEC, 93/44/EEC and 93/68/EEC.
ABB motors with a CE-mark on the rating plate comply
with the ATEX Directive 94/9/EC.
Validity
These instructions are valid for the following ABB
Motors electrical motor types, when used in explosive
atmospheres.
Non-sparking Ex nA, Ex N, EEx nA
series M2A*, sizes 63 to 250
series MBT, sizes 200 to 250
series M2B*, sizes 71 to 400
Increased safety EEx e
series M2A*, sizes 63 to 250
series MBT, sizes 200 to 250
series M2B*, sizes 80 to 400
Flameproof enclosure EEx d, EEx de
series M2J*, M2K*, sizes 80 to 400
Dust Ignition Protection (D.I.P.) Motors
series M2A*, sizes 90 to 180
series MBT, sizes 200 to 250
series M2B*, sizes 71 to 400
(Additional information may be required for some
machine types used in special applications or with
special design.)
Conformity
As well as conforming to the standards relating to
mechanical and electrical characteristics, motors
designed for explosive atmospheres must also conform
to the following European standards:
EN 50014;
General norm concerning explosion-
proof material.
EN 50018;
Std. concerning EEx d protection
EN 50019;
Std. concerning EEx e protection
EN 50021;
Std. concerning EEx nA protection
IEC 79-15;
Std. concerning Ex nA protection
BS 5000:16; Std. concerning Ex N protection
EN 50281-1-1 Std. concerning Dust Ignition
Protection
ABB Motors (valid only for group II) can be installed in
areas corresponding to following marking:
Zone
Category or Marking
1
Category 2 or EEx d, EEx de ,EEx e
2
Category 3 or Ex nA ,Ex N, EEx nA
21
Category 2 or M2AA,M2BA,MBT : IP 65
22
Category 3 or M2AA,M2BA,MBT : IP 55
Atmosphere;
G
explosive atmosphere caused by gases
D
explosive atmosphere caused by dust
Prior checking
Having checked the data quoted in the standard techni-
cal information, it is advisable to check the data con-
cerning standards on explosion-proofing, such as:
a) Gas group
Industry
Gas group
Gas type (examples)
Explosive atmos-
IIA
Propane
pheres other than
IIB
Ethylene
mines
IIC
Hydrogen/Acetylene
b) Marking temperature
Temperature class T1 T2 T3 T4 T5 T6 T125°C
Max. temperature °C 450 300 200 135 100 85 125
Max. temperature rise 155 155 155 90 55 40 80
of surface K
It should be noted that the motors are certified and
classified according to their group, which is determined
by reference to the ambient gas or dust and by the
marking temperature, calculated as a function of an
ambient temperature of 40°C.
If the motor is to be installed in a higher ambient tem-
perature than 40°C, please consult ABB Motors for new
rating data and test reports at the required ambient
temperature.
The ambient temperature must not be less than -20°C. If
lower temperatures are expected, please consult ABB
Motors.
