Low Voltage Motors: Primo Series

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

FEATURES	VALUES/ STANDARDS
Starting	DOL for all (single entry upto 132,double entry for 160 with links) Or Star delta for frames 112 & above.
Permissible starts/hr	Cold successive – 4 , Hot successive – 3 , Equally spread – 6
Loading at reduced volts	75% Rated volts for 5mins
Insulation / temp.rise	Class `F’ / 70°C
Direction of rotation	Bi-directional
No. Of leads	3 up to 100 & 6 for frame 112 & above.
Connection	Star: up to 90 frame and 6 & 8 pole ratings of 100 frame
Connection	Delta: 2 & 4 pole ratings of 100 frame & 112 and above all ratings
Degree of protection	IP 55
Method of cooling	IC 411
T.box position	RHS looking from driving end towards DE
Bearing life	40,000 working hours. For direct drive
Vibration	Normal class as per IS 12075.
Noise	As per IS 12065.
Construction	Foot, ‘B’ flange, ‘C’ Flange , Foot cum ‘B’ flange, Foot cum ‘C’ Flange
Frame sizes	PRIMO 63 to 160
Shaft extension	Single cylindrical extension as per IS 1231
Body material	Aluminium (Diecast) up to 112, cast iron for 132 to 160
T.box material	Nylon 6 up to 132, Aluminium (die cast) for 160
Fan material	Polypropelene
Accessories	Nil
Paint & shade	NC base RAL 5012 shade
Bearing type and Greasing facility	Pre lubricated sealed bearings No online greasing facility