High Efficiency Aluminium Motors :

Features: World class motors available now in India, Aluminium body, light weight, low vibrations & noise and superior efficiencies. This range of motors produced by BCG is backed up by unmatched service by CGL.

Powering Productivity with Motors: The Lt Motors division of Crompton Greaves is the largest manufacturer of Low Tension motors in India offering a range of AC and DC motors ranging from 0.18kW to 450kW in various standard and customized configurations which meet the exacting demands of the industry. The Division has manufacturing facilities in Ahmednagar and Goa plants.

• Energy Efficiency level 2 as per IS:12615.
• Energy Efficiency as per CEMEP Standards prevalent in Europe.
• ‘V’ seal arrangement up to 355 frame – Easier assembly of bearing housing.
• Integral bearing cover with end shield up to 225 frame.
•  Larger terminal box for accommodating bigger Aluminium cables.
• Sophisticated CNC Machines, Most Advanced Manufacturing Technology & Test Plant – Improved reliability.

Ensuring High Technology Manufacturing :

These modern plants are maintained in world class condition with regular infusions of the latest technology so as to ensure the highest quality of throughput. A team of dedicated professionals ensure that customers get the benefit of a range of trouble free products and services based on superior mechanical and product design.
The manufacturing facilities are ISO 9001 certified by the BVQI.

The standard motors offered by the Division are in compliance with the efficiency level 2 of the proposed revision to ISI2615 in India as well as CEMEP standards prevalent in Europe for energy efficient motors.

To ensure the highest levels of customer satisfaction, the latest designs have been incorporated for the range of LT motors, ensuring better electrical performance as well as versatility in mechanical features. The Division’s products are exported to over 30 countries including the quality conscious markets of USA and Europe.

Standard Specifications :

•  RANGE 0.18kW to. 350kW (FRAME 63 to 355).
• Multi speed options are also available.
• VOLTAGE 415V +/- 10%.
• FREQUENCY 50Hz +/- 5%.
• COMBINED VARIATION +/- 10% (ABSOLUTE SUM).
• INSULATION Class ‘F’ (Temp. rise limited to class ‘B’ ) as standard.
• MOUNTING Horizontal foot mounting (B3 ) as per IS :1231.
• AMBIENT / TEMPERATURE 50° C/ 70° C.
• DEGREE OF PROTECTION IP55 AS PER IS: 4691.

Flame Proof (FLP) Motors :

Features: A complete range of Crompton Greaves flameproof squirrel cage motors for gas group IIC is now available for Indian Industries as an import substitute. The motors are manufactured as per the most stringent requirements for IIC atmosphere. The motors are duly tested at CMRI, Dhanbad. For more details, please contact our nearest branch office/ works.

Standard Specifications :

• VOLTAGE : 415 +/- 10% Other Voltage class (220V – 660V) available on request.
• FREQUENCY :  50 +/- 5% 25 HZ to 60 HZ available on request.
• COMBINED VARIATION :  +/- 10% (absolute sum).
• INSULATION : Class F Class ‘H’ can be given on request.
• RATING/ DUTY: Continuous (S1): Continuous (S1) Intermittent duties available on request.
• MOUNTING:Horizontal foot mounting (B3) other mountings available on request.
• PAINT : Epoxy anticorrosive painted surface (Standard shade 631 as per IS – 5).
• AMBIENT / TEMPERATURE RISE: 45° C/ 75° C. Higher Amb. upto 60° C on request.
• TEMPERATURE CLASS : T4.
• DEGREE OF PROTECTION : IP 54 – E80-E132 M E225 M to E/EW 315 L (IP55 with Canopy can be offered.) IP55 – Frame E 160L to E 200 L CMRI / DGMS approvals as a standard feature. For BASEEFA approval please contact nearest branch office/works.

Descriptions :

These motors are exclusively designed for safety against accidental ignition or explosions and for continuous flawless operation in explosive or inflammable atmosphere that prevails in petrol and diesel dispensing pumps, chemical factories, petrochemical industries, fertilizer and solvent extraction plants, refineries, liquor bottling plants and paints and varnish works etc. Construction
The motors have a heavy-duty seamless steel pipe stator casing with cast iron end-shields designed to withstand internal explosion. All the rotors are dynamically balanced to minimize vibrations. All the components are hydraulically pressure tested. Standard FLP motors has class ‘B’ insulation. These motors are available with solid foot mounting construction. Flange mounting can be offered on request.

Totally enclosed fan cooled slipring motor :

• Enclosure confirming to protection IP 55
• Horizontal Foot Mounted (B3)
• Continously rated (S1)
• Suitable for operation on 415+/- 10% V
• 3 Phase
• Enclosure confirming to protection IP 55.
• Horizontal Foot Mounted (B3)
• 50Hz+/- 5%
• AC supply
• Ambient 45° C
• Class “F” insulation with temperature rise limited to Class “B” and altitude less than 1000m above m.s.l. confirming ti IS 325
• Terminal Box on TOP
• 4 pole:- 3.00 KW to 160 KW, 4 HP to 215 HP, 1500 rpm
• 6 pole:-2.20 KW to 125 KW, 3 HP to 170 HP, 1000 rpm
• 8 pole:-5.50 KW to 110 KW, 7.50 HP to 150 HP, 750 rpm.

Squirrel cage crane duty motors :

Applications :CG squirrel cage crane duty motors are specially designed for service on cranes and hoists they can also be used for similar applications such as material handling, weirs and lifts of all types. These motors can serve as auxiliary motors in rolling mills or where ever intermittent drives are required.
These are duty type rated motors developing high staring torque with low starting current. These motors are suitable for frequent starts/stops are reversals. Also rapid acceleration is achieved by high pull out torque/rotor inertia ratio.

Mounting :

• Squirrel cage crane duty motors are supplied with horizontal foot-mounting., however, motors suitable for vertical foot/flange/face-mounting or any combination of these can be offered when required
• Power Supply
• Crane duty motors are suitable for 3 phase supply and can be wound for any single voltage from 220 to 650 volts and frequencies from 40hz to 60hz
• Ambient Temperature
• The motors are rated at 40°C-50°C, a duration factor has to be applied
• Standard Specifications
• The motors are manufactured with standard metric frame sizes and they comply with the following standards:- IS: 325 IS: 4722 IS: 1231 IS:2223 IS: 3177 IS:34-1.

 Terminal Box : The terminal box is on top for motors in frame 112 and above. It is with IP55 degree of protection.

• Type: CRANE DUTY SQUIRREL.CAGE
• Power Supply: As 3 Phase, 415 Volts +/- 5%, Combined Variation +/-12%
• Insulation: Class ‘F’ With Temperature Rise Limited To Class ‘B’
• Ambient: 45°C.
• Altitude: Less Than 1000 MTR. Above M.S.L.
• Mounting: Horizontal Foot Mounted (B3) ,however, motors suitable for vertical foot/flange/face-mounting.
• Performance: Confirming To IS: 325
• Frame Dimensions: Confirming To IS: 1231
• Protection: IP-55 (IS: 4691).

Crane duty slipring

Applications : Crompton Greaves slip ring crane duty motors are specially designed for service on cranes and hoists they can also be used for similar applications such as material handling, weirs and lifts of all types. These motors can serve as auxiliary motors in rolling mills or where ever intermittent drives are required.
These are duty type rated motors developing high staring torque with low starting current. These motors are suitable for frequent starts/stops are reversals. Also rapid acceleration is achieved by high pull out torque/rotor inertia ratio.

Mounting :  Slip ring motors are normally available with foot mounting. Flange mounting can be supplied on specific request Power Supply. Crane duty motors are suitable for 3 phase supply and can be wound for any single voltage from 220 to 650 volts and frequencies from 40Hz to 60Hz. The motors are rated at 40°C, a duration factor has to be applied.Standard Specifications
The motors are manufactured with standard metric frame sizes and they comply with the following standards:-
IS: 325 IS: 4722
IS: 1231 IS:2223
IS: 3177 IS:34-1.

Terminal Box :The terminal box is on top for motors in frame 112 and above. It is with IP55 degree of protection.

• Type: CRANE DUTY SLIP RING
•  Power Supply: As 3 Phase, 415 Volts +/- 5%, Combined Variation +/-12%
•  Insulation: Class ‘F’ With Temperature Rise Limited To Class ‘B’
•  Ambient: 45°C.
•  Altitude: Less Than 1000 MTR. Above M.S.L.
•  Mounting: Horizontal Foot Mounted (B3)
•  Performance: Confirming To IS: 325
•  Frame Dimensions: Confirming To IS: 1231
•  Protection: IP-55 (IS: 4691).

DC motors :

Features:

1.  Custom built motors of optimium design with wide range of ratings to select form, for any application/ requirement of Industry.
2.  Light weight & lower GD sq value for swift mechanical response to meet frequent reversal
3. Class F insulation with vaccum pressure impregnation for armature winding- ensuring high insulation strength. Frames 100 to 280 are offered with Class “H” insulation.
4.  Fully Laminated magnetic circuit construction offering excellent communication suitable for 6 pulse thyristor power supply
5.  High over load capacity, low field power & high overall efficiency
6.  Frames 315 to 630 are fully compensated to withstand high short time overloads under field weakening condition.
7.  Sturdy mechanical construction
8.  Compact, low weight and highly energy efficient.
9.  Large size for bearing-for longer life and trouble free operations.
10.  Special commutator designe with fibre glass taper rings, light weight & low GD sq construction.
11.  Constant force brush holders with longer brushes for excellent brush contact better commutation and longer brush life.
12.  Modular design allows flexibility and Terminal Box & F.C. unit position.
13. Minimised vibrations, noise and longer bearing life through minimised unbalance at every stage and precision
14. balancing of Rotors using state of art Dynamic balancing machine to grade better than 1.5.
15.  Minimised noise level & Torque Pulsations through unique parallel skewed armature slot construction.
16.  Electrical brazing of Armature conductor to commutator riser connection for 315-630 frames and high temperature soldering for 100-280 frames for best mechanical & electriacl joints.

Ratings :

   FRAME RANGE: 100 TO 630 POWER: 1.2 kW TO 1550 kW TORQUE: 8 Nm TO 40,000 Nm.