Method of starting : Full voltage direct on line starting or star-delta starting
Mounting : Horizontal foot mounting (IM 1001 or IM B3) , flange mounting (IM3011 or IM V1)
Stator insulation and temperature rise : Non-hygroscopic class F insulation system, with class B temperature rise
(80 degree C rise) by resistance method at 1.0 S.F.
Rotor winding : Squirrel cage, aluminium conductor with end-ring and wafter blades integrally cast.
Environmental conditions : Place : Non-hazardous Ambient temperature : -20 0C to 40 0C Relative humidity : Less than 90% RH (non-condensation) Altitude : Up to 1,000 metres above sea level.
Drive method : Belt service, however 2 Pole & 4Pole 75HP and larger is for coupling drive
Direction of rotation : Standard motors are suitable for operation in either direction of rotation. Direction of rotation of motor can be reversed by interchanging any two of the power lines.
Test procedure : According to BS 4999
External fan : The fan is of polypropylene and designed for bi-directional rotation. Other material fan is available on request.
Fan cover : Pressed steel sheet.
Shaft : Carbon steel , cylindrical single extension with keyway and key
Bearing : Bracket mounting, grease pre-packed shielded ball bearings for frame size 63 through 180L, open bearings for frame size 180MA 2-Pole and 200L through 315M
Lubrication : Mineral oil, Li-base
grease ( Frame size 63 through 250 use Multitemp SRL , frame size 280
and larger use Shell Alvania R3)
Terminal box : Standard terminal box is presssed steel
type for motor frame size 180 and smaller, cast iron T-box for frame
size 200 and larger. Terminal box is rotatable in 90 degree increments
through 360 degrees. Terminal box is on the right hand side as
seen from drive end as standard. For footmounted motors, it can be
changed to the left hand side by changing the rotor position.
Painting : Phenolic rust proof base plus lacquer surface finish painting in blue-grey colour (Munsell 7.5BG 4/2)
Nameplate : Stainless steel
Grounding terminal : All motors are provided with an internal grounding terminal in the motor main terminal box. Additional external grounding terminal on the motor frame is provided for frame size 280 and larger.
Eyebolt : Motor of frame size 100 and larger is equipped with eyebolt or lifting lug.
Electromagnetic compatibility :
Compliance with European Electromagnetic Compatibility (EMC) directive
reference number 89/336/EEC, standard EN 50081-1 1992, for motors up to
450KW
Options available : 1. IP56 2. Class H insulation 3. Multi-speed 4. Anti-condensation heater 5. PTC thermistor for thermal protection 6. Special paint finish 7. Corrosion proof 8. Special shaft extension 9. Inverter duty application 10. Smoke spill duty 11. Grease relief valves for frames down to 100L
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