Open Type Series

Open Type Series

Motors

Product Description

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 Bi-directional
No. Of leads 6
Connection Delta for all frames
Degree of protection IP 22 for SA/VSA series up to 225 Frames, IP 23 for SA/VSA series - 250 to 355 Frames
Method of cooling IC 01
T.box position RHS looking from DE.
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 mounted / 'B' flange mounted
Frame sizes SA / VSA 180 to 355. (for 'B' flange mounting ratings covered in SA180M to be offered in VSA180L, & ratings covered in SA200M to be offered in VSA200L)
Shaft extension Single cylindrical extension as per IS 1231
Body material Cast iron
T.box material Cast iron up to 225 frames, mild steel for 250 to 355 Frames
Fan material Aluminium for all 2 pole ratings of SA frame & all ratings of VSA frame, Polypropelene for 4, 6, & 8 pole ratings of SA180 to 225 frame, mild steel for 250 to 355 – 2pole, Mild steel / Aluminium for 250 to 355 frames – 4, 6, and 8 poles.
Accessories
Nil.
Paint & shade NC base RAL5012 shade up to 225, Epoxy base RAL5012 above 225
Bearing type
Greasing facility
Open type ball/roller bearings
Online greasing facility for all

Dimension Drawings


FRAME FOOT 'B' FLG MAX. CABLE SIZE
180M 32238398 ---- 2X3Cx70sqmm
180L 32242998
200M ----
200L 32242998
225M 32242998
250 31111898 31112098 2X3.5Cx120sqmm
280 2X3.5Cx240sqmm
315 31101706 ---- MMD-02-139-SA
315LX – 4P 41100907 ----
355 31101207 ----