PPA322B HIEE300016R2 HIEE400235R1 ABB distributed control system industrial DCS module card

Description

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Heavy duty design
The electrical and mechanical design of ‘M2BA’ Motors offer high
performance values in all the mounting arrangements, protection class
and in all applications. ‘M2BA’ Motors have withstood the test of time and
are established for reliability in stringent operating conditions like thermal
power plants world wide.
Installation Flexibility
A dual mounting hole is provided for installation flexibility i.e. same
housing length can be used for varied mounting applications.
IP55
‘M2BA’ Motors are protected against the ingress of water and dust. A high
degree of protection IP 55 is a standard feature of ‘M2BA’ Motors. Higher
degrees of protection (e.g. IP 56) can also be made available on request.
Insulation scheme
‘M2BA’ Motors employ a unique polyamide based Class F insulation
0
scheme rated for 155 C with temperature rise limited to Class B. The
advanced insulation the ‘M2000’ series gives high electrical and
mechanical stability. This provides a generous thermal overload margin
bringing greater reliability and improves life of the motor. This can be used
for such conditions as increased load, high ambient temperature and
variations in voltage and frequency.
User friendly design
‘M2BA’ Motors have a user friendly design and less number of
components leading to faster and trouble-free dismantling and assembly.
Enclosure
‘M2BA’ Motors use rigid cast iron / fabricated housings and are provided
with integrated deeper longitudinal ribs designed to give maximum
cooling surface area. Integral feet ensure that the frame is rigid and
vibration resistants. These frames are treated for high corrosion
resistance. Effective and robust corrosion protection means that the
motor can be used in all environments.
Winding
Stator winding uses high quality enamelled wires conforming to IS:13730.
The windings are reinforced in the slots with slot wedges and on the
overhang with fibre glass tape. To ensure long life, the stator is
impregnated with a solventless resin. Gaps between individual
conductors are effectively filled with this material resulting in good
thermal conductivity and superior mechanical strength. All windings are
tropicalised with epoxy gelcoat and made Insensitive to moisture and
micro-organisms.
Ventilation
Ventilation circuit of ‘M2BA’ has been optimally designed based on
aerodynamic and acoustic considerations. Special design of fan blades
and segmental groupings of fins in horizontal and vertical planes offer the
most efficient air flow and minimum air borne noise while incurring least
windage losses.
Low noise levels
‘M2BA’ Motors are the result of special efforts made to minimize
electromagnetic, airborne and structural noise. These motors are
designed for quieter operation even under abnormal load conditions.