| FEATURES |
VALUES/ STANDARDS |
| Starting |
Resistive start |
| Permissible starts/hr |
Cold successive – 4 , Hot successive - 3, Equally spread - 6 |
| Loading at reduced volts |
75% Rated volts for 5 minutes |
| Insulation ST / RT |
Class `F' / 'F' |
| Temp. Rise ST / RT |
Class `B' / 'F' |
| Direction of rotation |
Bi-directional |
| No. Of leads, ST/RT |
3 / 3 |
| Degree of protection |
IP 55 |
| Method of cooling |
IC 411 |
| 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 |
| Frame sizes |
SD 180L, SD200L , SD225M , SD250S & M, SD280S & M, SD315, SD315LX & SDX355X |
| 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 |
Cast iron up to 225 Frames, mild steel for 250 to 355 Frames |
Accessories
|
Nil |
| Paint & shade |
NC base RAL5012 shade up to 225, Epoxy base RAL5012 above 225 |
Bearing type
Greasing facility |
Open type ball bearings for all frames
Online greasing facility is for all frames |
