Operating & Supply Conditions

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

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 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 (diecast)
Fan material Polypropelene for all ratings
Paint & shade NC base RAL 5012
Bearing type
Greasing facility
Open type ball bearings for 132 to 180
Online greasing facility for 180 only

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