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AC Motors

Low Voltage Motors: Crane Duty Motor(Slipring)

Operating & Supply Conditions

FEATURES VALUES/ STANDARDS
Ambient Temperature -10 to +50°C
Altitude Not exceeding 1000mtrs above mean sea level.
Atmosphere Non Corrosive & non Hazardous
Relative Humidity Up to 100%
Voltage 415V ±10%, 3 Ph.
Frequency 50Hz ±5%
Combined Variation 10%
Duty S3,S4 & S5 (Refer KHD-50-33R2)
Service factor 1.0

Execution & Features

FEATURES VALUES/ STANDARDS
Starting DOL up to 100 & Star Delta for 112 above frames
Permissible starts/hr Cold successive - 4 hot successive - 3 equally spread - 6
Loading at reduced volts 75% Rated volts for 5 minutes.
Insulation / temp.rise Class `F' / 70°C
Direction of rotation Bi-directional
No. Of leads 3 up to 100 & 6 for frame 112 & above
Connection Star Up to 90 frame, 6, & 8 pole ratings of 100 Frames
Delta 2 & 4 pole ratings of 100 frame & 112 and above all ratings
Degree of protection IP 55
Method of cooling IC 411
T.box position RHS looking from DE (towards DE up to 160).
Bearing life
(90% survival basis)
40,000 working hrs. For direct drive
20,000 working hrs. For belt drive
Vibration Normal class as per IS: 12075
Noise As per IS: 12065
Construction Foot / 'B' flange
Frame sizes 'ePM80 to 160', 'eSC180 to 355'.(For 'B' flange mounting ratings covered in 'eSC180M' to be offered in 'eVSC180L', & ratings covered in 'eSC225S' to be offered in 'eVSC225M')
Shaft extension Single cylindrical extension as per IS: 1231
Body material Cast iron
T.box material Cast iron
Fan material Aluminium up to 160, Cast iron for 180 – 225, mild steel for 250 to 355 Frames
Accessories
Nil
Paint & shade Epoxy base RAL5012
Bearing type
Greasing facility
Prelubricated sealed bearing from 80-160. Open type Bearing
from 180. Online greasing facility is for 180 to 355 only

Dimension Drawings

DIMENSION DRAWINGS & T.BOX ARRANGEMENT DETAILS (TOP T.BOX SSE/DSE)

FRAME FOOT MAX. CABLE SIZE, STATOR
132M 32265198 2x3Cx10sqmm
160M 2x3Cx16sqmm
180L 32265398 2x3.5Cx70sqmm
200L 32265598
225M
250 31111496 2x3Cx120sqmm
280 2x3Cx185sqmm
315 31103206 MMD-02-152
355 31100798

DIMENSION DRAWINGS & T.BOX ARRANGEMENT DETAILS (TOP T.BOX STE/DTE)

FRAME FOOT MAX. CABLE SIZE, STATOR
132 M 32265298 2x3Cx10sqmm
160M 2x3Cx16sqmm
180L 32265498 2x3.5Cx70sqmm
200L 32265698
225M
250 31105397 2x3Cx120sqmm
280 2x3Cx185sqmm
315 31103406 MMD-02-152
355 31116197

DIMENSION DRAWINGS & T.BOX ARRANGEMENT DETAILS (RHS T.BOX SSE/DSE)

FRAME FOOT MAX. CABLE SIZE, STATOR
180L 32265798 2x3.5Cx70sqmm
200L
225M
250 31104697 2x3.5Cx120sqmm
280 2x3.5Cx185sqmm
315 31103606 MMD-02-152
355 31101099

DIMENSION DRAWINGS & T.BOX ARRANGEMENT DETAILS (RHS T.BOX STE/DTE)

`
FRAME FOOT MAX. CABLE SIZE
180L 32265898 2x3.5Cx70sqmm
200L
225M
250 31104997 2x3.5Cx120sqmm
280 2x3.5Cx185sqmm
315 31103806 MMD-02-152
355 31116297

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