| Type
of Motor |
Type
Ref. |
Special
Features |
Applications |
HP |
Frames |
| |
|
|
|
|
|
| TEFC |
MA |
Compact |
Continuous
duty machines |
0.12
To 215 HP |
56
To 315S/M |
| High
Efficiency |
MH |
High
Efficiency |
Where
energy conservation is required |
0.5
To 20 HP |
90S/L
To 160M/L |
| Flameproof |
MD |
Flameproof
enclosure for gas Gr. IIA, IIB |
Mines
& Petrochemical
Industries |
0.50
To 120 HP |
80
To 280S/M |
| Non
sparking |
MN |
Prevents
auto ignition of surrounding gases. |
Chemical
& Process Plants |
0.12
To 215 HP |
56
To 315S/M |
| Increased
Safety |
ME |
Prevents
auto ignition of surrounding gases. |
Chemical
& Process Plants |
0.16
To 120 HP |
63
To 280S/M |
| Crane
& Hoist duty |
MC |
Intermittent
duty, Frequent starts /
stops |
Lifting,
Travel motors in crane material handling, machine tools. |
0.5
To 120 HP |
71
To 280S/M |
| Slip
ring |
MP |
Wound
Rotor with slip ring |
Winder,
Cable reeling drums travel motors in cranes |
1.5
To 13.4 HP |
100L
To 160M/L |
| Brake |
MB |
Integral,
DC operated Fail safe Disc Brake with Manual release option. |
Hoists
& Cranes Textile Machines Machine Tools, Cable reeling Drums |
0.33
To 10 HP |
71
To 132S/M |
| Torque |
MT |
Soft
Torque speed characteristics high locked torque per ampere. |
Heavy
inertia drives, with frequent starts, Roller table, Centrifuge
indexing Tapping, winders. |
0.25
To 8 kgm |
63
To 160M/L |
| Loom |
ML |
Special
design to suit loom characteristics |
Conventional
Power looms, Special circular & Airjet looms |
0.75
To 5 HP |
100L
To 160M/L |
Ring
Frame
Carding |
MR |
Moderate
Torques, Clean air-flow arrangement |
Ring
frames and Carding Machines in Textile Industries |
3
To 20 HP |
100L
To 160M/L |
| Marine
Duty |
MA |
Weather
proof, corrosion, resistant as per ABS/LRS specifications. |
Under-deck
upper-deck working in ships |
0.16
To 215 HP |
63
To 315S/M |
Shock
Grade I
& Shock Grade II |
MA |
Special
Electrical & Mechanical designs as per EED Q 071
specifications |
Shock
Grade I & II applications on Naval War ships |
Special
Designs
0.16 To 60 HP |
63
To 225S/M |
| Auxiliary
Motors & Blowers in Locomotives |
|
Wide
Voltage variation & unbalance Low vibration |
For
exhausters, compressors and blowers on electric locomotives. |
10
To 35 HP |
180M/L
To 225S/M |
| Monoblock
Pumps Coupled Pumps |
|
Motor
Conforms to IS 7538 Pumps Conforms to IS 9079 |
Agricultural
and commercial water pumping |
2
To 15 HP |
90S/L
To 160M/L |
