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AC Motors

Low Voltage Motors: Vertical Hollow Shaft Motors

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 S1(continuous)
Service factor 1.0

Execution & Features

FEATURES VALUES/ STANDARDS
Starting Star Delta
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 Anti-clockwise from top.
No. Of leads 6 for all frames
Connection. Delta for all ratings
Degree of protection /Mounting IP 21/ IM 3239 HS
Method of cooling IC 01
T.box position On body circumference.
Bearing life
(90% survival basis)
40,000 working hrs
Vibration Normal class as per IS: 12075
Noise As per IS: 12065
Construction Flange mounted with hollow shaft
Frame sizes SVH160, 180, 200, 250 ,280 and 315
Body material Cast iron
T.box material Aluminium (die cast) 160, cast iron 180, 200, mild steel for 250 & 315 Frames
Fan material Cast iron for 160, aluminium for 180, 200, mild steel for 250 & 315 Frames
Accessories
Nil
Paint & shade NC base RAL 5012 shade up to 200, Epoxy base RAL 5012 above 200 frame
Bearing type Greasing facility As given below
Online greasing facility for 160 to 315

Dimension Drawings

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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