|
Semi Automatic Star Delta Oil Immersed Motor Starter
General Features
Starter is ruggedly constructed, totally enclosed and fixed in cast iron frame for wall mounting. An easily removable cover, made of sheet steel completely encloses the overload relay and connection terminals to ensure protection from dust and weather. There is provision for fitting pedestal Ammeter on the top of the starter. Oil tank made of deep drawn sheet is fixed with the lower part of the cost iron frame and can be easily removed by loosening nuts on the left and right hand sides. The enclosure is dust and vermin proof.
Press the start knob (Green) to run the motor in 'Star' position. When the motor has attained normal speed, press the run knob (yellow) to bring the motor to 'Delta' position.
Press stop knob (red) to stop the motor.
The contractor assembly is comprised of three contractors one for main, one for star and one for delta circuit with interlocking arrangements. The starter is conforming to IS : 13947 part 4 sec | 1993. All the three contractors are dipped in an oil chamber having double break robust copper contacts. The coil is machine wound, tapped, vacuum impregnated and backed to suit tropical conditions.
Thermal, bimetallic over load relay, triple pole accurately calibrated to provide protection against over loads.
400 Volts
|
3 Phase
|
Type
|
Relay Range
|
H.P.
|
Fab/BSA 5
|
4-6.5 A
|
5
|
Fab/BSA 7.5
|
6-10 A
|
7.5
|
Fab/BSA 10
|
6-10 A
|
10
|
Fab/BSA 15
|
9-14 A
|
15
|
Fab/BSA 20
|
13-21 A
|
20
|
Fab/BSA 25
|
20-32 A
|
25
|
Fab/BSA 30
|
20-32 A
|
30
|
Fab/BSA 35
|
20-32 A
|
35
|
Fab/BSA 40
|
30-42 A
|
40
|
|
