| 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' / '75°C' |
| Direction of rotation |
Bi-Directional |
| No. Of leads ST/RT |
6 |
| Connection |
Delta |
| Degree of protection |
IP 55 |
| Method of cooling |
IC 411 |
| T.box position |
RHS looking from DE (towards DE for 132 & 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 (with clean flow fan cover arrangement) |
| Frame Sizes |
PMR132M, PMR160M, PMR160L, SCR180M, SCR180L |
| Shaft extension. |
Single cylindrical extension as per IS: 1231. |
| Body material |
Cast iron |
| T.box material |
Aluminium (die cast) |
| Fan material |
Polypropelene for all ratings |
| Accessories |
Nil |
| Paint & shade |
NC base RAL 5012 |
| Bearing type and
Greasing facility |
Open type ball bearings for 132 to 180
Online greasing facility for 180 only |