World Class Induction Motors

Makharia Electricals Private Limited

Address : B-611, Express Zone,
Western Express Highway, Goregaon(E), MUMBAI-400063, Maharashtra, India.

Phone :-022-61942800 (30 Lines)

Fax :-022-61942801

E-mail :-

Website :-

Non Sparking Series (Low Voltage Motors)

Special Features :

FEATURES	VALUES/ STANDARDS
Ambient Temperature	-10 to +50°C
Altitude	Not exceeding 1000mtrs above mean sea level.
Atmosphere	Corrosive & Hazardous, Zone II,Div II,IGN TEMP–T3,gas group IIA,IIB
Relative Humidity	Up to 100%
Voltage	415V ±10%, 3 ph.
Frequency	50Hz ±5%
Combined Variation	10%
Duty	S1 (continuous)
Service factor	1.0

Construction Features

FEATURES	VALUES/ STANDARDS
Starting	DOL up to 100 & Star Delta for 112 above frames
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	3 up to 100 & 6 for frame 112 & above.
Connection	Star : Up to 90 frame, 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 DE (towards DE up to 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 / 'B' flange
Frame sizes	'nPM80 to 160', 'nSC180 to 355'(For 'B' flange mounting ratings covered in 'nSC180M' to be offered in 'nVSC180L' & ratings covered in 'nSC225S' to be offered in 'nVSC225M')
Shaft extension	Single cylindrical extension as per IS: 1231
Body material	Cast iron
T.box material	Cast iron, mild steel for 250 to 355 Frames
Fan material	Aluminium up to 160, Cast iron for 180 – 225 Frames, mild steel for 250 & above Frames
Accessories	Nil
Paint & shade	Epoxy base RAL5012
Bearing type Greasing facility	Pre lubricated sealed Bearing up to 160. Open type Bearing from 180. Online greasing facility is for 180 to 355 only