Oil Immersed Motor Starter

BOI-K

TYPE: BOI-K

SKN Starter is ruggedly constructed, totally enclosed and fixed in sheet metal frame for wall mounting. Conduit holes are provided for cable entry from top and bottom. All incoming and outgoing terminals, conduit entries are easily accessible from top of the starter. An easily removable cover made of sheet metal completely encloses the overload relays and connection terminals to ensure protection against dust and weather. Oil tank, made of deep drawn sheet and fixed with the lower part of the sheet matel completely encloses the overload relays and connection terminals to ensure protection against dust and weather. Oil tank, made of deep drawn sheet and fixed with the lower part of the sheet metal frame, can be easily removed by loosening round nuts from the left and right sides.

Extra Features

  • Extra long life contact made of high electrical conductivity copper.
  • Accurate tripping against over load.
  • Low voltage design coil used i.e. 180V to 400V.
  • Easy repairing / replacement of knobs, kit-sets, coils & others.
  • Less temperature rise because of use of good conductive material.
TECHNICAL SPECIFICATION
400 VOLTS TYPE H.P. 3 PHASE
BOI K 5.0 6.0 - 10A
BOI K 7.5 9.0 - 14A
BOI K 10.0 13.0 - 21A
BOI K 15.0 20.0 - 32A
BOI K 20.0 25.0 - 35A

BSA-K

TYPE: BSA-K

SKN Starter is ruggedly constructed, totally enclosed and fixed in sheet metal frame for wall mounting. An easily removable cover made of steel sheet completely encloses the overload relay and connection terminals to ensure protection form dust and weather. Oil tank made of deep drawn sheet is fixed with the lower part of the sheet metal 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 (i.e. 80 to 90%) press the run knob (yellow) to bring the motor to DELTA position. Press Stop knob (Red) to stop the motor. The contactor assembly is comprised of three contactors:- one for MAIN, one for STAR and one for DELTA circuit with interlocking arrangements All the three contactors are dipped in an oil chamber having double break robust copper contacts. The coil is machine wound, taped vacuum impregnated and baked to suit tropical conditions. Thermal, bimetallic overload relay, triple pole accurately calibrated to provide protection against overloads.

Extra Features

  • Extra long life contact made of high electrical conductivity copper.
  • Accurate tripping against over load.
  • Low voltage design coil used i.e. 180V ti 400V.
  • Easy repairing / replacement of knobs, kit-sets, coils & others.
  • Less temperature rise because of use of good conductive material.
TECHNICAL SPECIFICATION
TYPE H.P./KW R.RANGE
BSA K 7.5/5.5 6.0 - 10A
BSA K 10.0/7.5 6.0 - 10A
BSA K 12.5/9.3 9.0 - 14A
BSA K 15.0/11 9.0 - 14A
BSA K 20.0/11 13.0 - 21A
BSA K 25.0/18.6 20.0 - 32A
BSA K 30.0/22.5 20.0 - 32A
BSA K 35.0/26.1 20.0 - 32A
BSA K 40.0/30 30.0 - 42A

FAB-K

TYPE:FAB-K

Fully Automatic Star Delta Oil Immersed Motor Starter (7.5 TO 40 HP)

SKN Starter is ruggedly constructed, totally enclosed and fixed in sheet metal frame for wall mounting. An easily removable cover made of steel sheet completely encloses the overload relay and connection terminals to ensure protection form dust and weather. Oil tank made of deep drawn sheet is fixed with the lower part of the sheet metal 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 to run the motor in STAR Position. It will automatically change over to DELTA by means of a time lag relay (timer) which is mounted (inside cover) at the right hand side top of the starter.The relay (timer) is adjustable within the range marked as MIN-MAX Rotate the time lag relay clockwise to decrease and anti-clockwise to increase the time delay to check the starter.

Extra Features

  • Extra long life contact made of high electrical conductivity copper.
  • Accurate tripping against over load.
  • Low voltage design coil used i.e. 180V to 400V.
  • Easy repairing / replacement of knobs,kit-sets,coils & others.
  • Less temperature rise because of use of good conductive material.
TECHNICAL SPECIFICATION
TYPE H.P./KW RELAY RANGE
FAB K 7.5/5.5 6.0 - 10A
FAB K 10.0/7.5 6.0 - 10A
FAB K 12.5/9.3 9.0 - 14A
FAB K 15.0/11 9.0 - 14A
FAB K 20.0/18.6 13.0 -21A
FAB K 25.0/18.6 20.0 -32A
FAB K 30.0/22.5 20.0 -32A
FAB K 35.0/26.1 20.0 - 32A
FAB K 40.0/30 30.0 - 42A

BOI

TYPE: BOI

Direct On Line Push Button Oil Immersed Motor Starter (5 TO 20 HP)

(5 TO 20 HP) Starter is ruggedly constructed, totally enclosed and fixed in cast iron/ sheet metal frame for wall mounting. The starter enclosure is dust & vermin proof.

TECHNICAL SPECIFICATION
400 VOLTS H.P. 3 PHASE R. RANGE
BOI 5.0 6.0 - 10A
BOI 7.5 9.0 - 14A
BOI 10.0 13.0- 21A
BOI 15.0 20.0 - 32A
BOI 20.0 25.0 - 35A

BSA

TYPE:BSA

SKN Semi Automatic Star Delta Oil Immersed Motor Starter (7.5 TO 60HP)

Starter is ruggedly constructed, totally enclosed and fixed in cast iron/sheet metal box. The enclosure is dust and Vermin Proof. Press the start Knob (Green) to run the motor in STAR positon. When the motor has attained normal speed (i.e. 80 to 90%), press the run knob (Yellow) to bring the motor to DELTA position. Press Stop knob (Red) to stop the motor. Thermal, bimetallic overload relay, triple pole accurately calibrated to provide protection against overloads.

TECHNICAL SPECIFICATION
TYPE H.P./KW RELAY RANGE
BSA 7.5/55 6.0-10A
BSA 10.0/7.5 6.0-10A
BSA 12.5/9.3 9.0-14A
BSA 15.0/11 9.0-14A
BSA 20.0/15 13.0-21A
BSA 25.0/18.6 20.0-32A
BSA 30.0/22.5 20.0-32A
BSA 35.0/26.1 20.0-32A
BSA 40.0/30 30.0-42A
BSA 50.0/37.5 38.0-48A
BSA 60.0/44.76 42.0-54A

BSOI

TYPE: BSOI

Direct Online Push Button Oil Immersed Motor Starter (with Desh Pot Relay) 5 TO 20 HP

Motor starter is ruggedly contruccted totally enclosed and fixed in cast iron frame/sheet metal for wall mounting .Magnetic overload relay,triple pole accurately calibrated to provide protection against overloads.

TECHNICAL SPECIFICATION
400 VOLTS TYPE H.P. 3 PHASE R. RANGE
BSOI 5 6 -10A
BSOI 7.5 9 - 14A
BSOI 10 13 - 21A
BSOI 15 20 - 32A
BSOI 20 25 - 35A

BCSA

TYPE:BCSA

SKN Semi Automatic Star Delta Oil Immersed Motor Starter (7.5 TO 40HP)

Starter is ruggedly constructed, totally enclosed and fixed in sheet metal frame for wall mounting. 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.

TECHNICAL SPECIFICATION
TYPE H.P. R. RANGE
BCSA 7.5/5.5 6.0 - 10A
BCSA 10.0/7.5 6.0 - 10A
BCSA 12.5/9.3 9.0 - 14A
BCSA 15.0/11 9.0 - 14A
BCSA 20.0/15 13.0 - 21A
BCSA 25.0/18.6 20.0 - 32A
BCSA 30.0/22.5 20.0 - 32A
BCSA 35.0/26.1 20.0 - 32A
BCSA 40.0/30 30.0 - 42A

BCFA

TYPE:BCFA

SKN Fully Automatic Star Delta Oil Immersed Motor Starter (7.5TO40 HP)

Starter is ruggedly constructed, totally enclosed and fixed in sheet metal frame for wall mounting. The enclosure is dust and Vermin Proof.

Press the start knob to run the motor in STAR position. It will automatically change over to DELTA by means of a time lag relay (timer) The relay (timer) is adjustable within the range 3-12 seconds of 5-20 seconds marked as MIN-MAX.

TECHNICAL SPECIFICATION
TYPE H.P./KW R. RANGE
BCFA 7.5/5.5 6.0 - 10A
BCFA 10.0/7.5 6.0 - 10A
BCFA 12.5/9.3 9.0 - 14A
BCFA 15.0/11 9.0 - 14A
BCFA 15.0/11 9.0 - 14A
BCFA 20.0/15 13.0 - 21A
BCFA 25.0/18.6 20.0 - 32A
BCFA 30.0/22.5 20.0 - 32A
BCFA 35.0/26.1 20.0 -32A
BCFA 40.0/30 30.0 - 42A

BMD

TYPE:BMD

SKN Oil Immersed Manually Operated Star Delta Motor Starter (7.5TO40HP)

BMD Starter is ruggedly constructed, totally enclosed and fixed in cast iron frame for wall mounting. The enclosure is Dust & Vermin proof.

OPERATION

Press the START (Green) Knob with front handle at STAR Position. Wait till motor picks up normal speed then turn front handle to DELTA position Press Red knob to stop the motor.

TECHNICAL SPECIFICATION
TYPE H.P. R. RANGE
BMD 7.5 6.0 - 10A
BMD 10.0 6.0 - 10A
BMD 12.5 9.0 - 14A
BMD 15.0 9.0 - 14A
BMD 20.0 13.0 - 21A
BMD 25.0 20.0 - 32A
BMD 35.0 20.0 - 32A
BMD 40. 0 30.0-42A

BSD

TYPE:BSD

SKN Oil Immersed Manually Operated Star Delta Motor Starter (10 to 60HP)

Oil Immersed Starters are designed for use on voltages up to 440 V. The main body and oil tank is made of sheet metal. The enclosure both moisture and dust proof. These units are provided with heavy type copper contacts. These are made from hard drawn electrolytic copper section : arcing contact and main contact. The overload is of magnetic relay direct acting type with oil dashpot time lag. As a standard. Under voltage protection is provided by a closing type solenoid coil.

TECHNICAL SPECIFICATION
TYPE H.P. Ralay Range (Amps)
BSD 10/7.5 12 - 18 A
BSD 15/11 20 - 26 A
BSD 20/15 25 - 35 A
BSD 25/18.6 32 - 42 A
BSD 30/22.5 40 - 53 A
BSD 3526.1 45 - 55 A
BSD 40/30 55 - 65 A
BSD 45/35 61 - 71 A
BSD 50/37.5 66 - 76 A
BSD 60/44.76 78 - 90 A

BAT

TYPE:BAT

SKN Oil Immersed Manually Operated Auto Transformer Motor Starters (Rating :10 TO 60 H.P.)

Auto- Transformer Starters have been designed to provide control for A.C. squirrel cage induction motors upto 60 HP where it is found necessary to minimize the starting current and attain a higher starting torque. The starter reduces the line voltage by means of an Auto – Transformer and reduces proportionately the line current taken by the motor when starting. An Auto- Transformer Starter is the obvious choice where supply companies’ Regulations limit the use of direct-on-line starters for very small motors and starting conditions do not permit the use of star/delta starters. The Auto Transformers are provided with tapping for 50%, 65% and 80% of the line voltage to be applied to the motor while starting as a standard practice. If necessary, other percentage tapping according to the requirement of the customer can be provided instead of above.

CONSTRUCTION

The Starter and Auto-Transformer are enclosed in separate totally enclosed dust proof metal-clad cases.

CONTACTS :

To ensure a trouble-free life, these units are provided with hard drawn electrolytic copper section arcing contact and main contacts.

OVERLOAD PROTECTION :

The overload is of magnetic direct acting type with oil dashpot time lag: under voltage protection is provided by closed types solenoid coil.

TECHNICAL SPECIFICATION
TYPE H.P. Ralay Range (Amps)
BAT 10/7.5 12 - 18 A
BAT 15/11 20 - 26 A
BAT 20/15 25 - 35 A
BAT 25/18.6 32 - 42 A
BAT 30/22.5 40 - 53 A
BAT 35/26.1 45 - 55 A
BAT 40/30 55 - 65 A
BAT 45/35 61 - 71 A
BAT 50/37.5 66 - 76 A
BAT 60/44.76 78 - 90 A

BATFA

TYPE:BATFA

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