BCH Endura Series Motor - Product Specifications

Series

Technical Specification

BCH Low Voltage Three Phase TEFC Squirrel Cage Induction Motor

1. Product brand name edura Series 2. Product range A) LV Three TEFC Sq. Cage A.C. Induction Motor

(Eff 2) High Efficiency Series

a) General Purpose Standard Motors 56 - 355L frames, 2 - 8 Pole.

b) Inverter Duty Motors (Vector + Range) Force Cooled: 100L - 355L frames, 2 - 8 Pole.

B) LV Three TEFC Sq. Cage A.C. Induction Motor (Eff 1) Premium Efficiency Series

a) General Purpose Standard Motors 100L - 315L frames, 2 - 4 Pole.b) Inverter Duty Motors (Vector + Range) 3. Ref. standards IS: 325 - 1996.

4. Schedule of tolerances As per relevant Indian Standard (IS).5. No of poles 2-Pole, 4-Pole, 6-Pole & 8-Pole (higher poles on

request).6. Frame size 56 - 355L frame for Eff2, 100L - 315L frame for Eff 1 &

100L - 355L for Inverter Duty Motors with forced cooling.

7. Ourput (KW / HP) 0.093 KW / 0.125 HP to 315 KW / 425 HP. 8. Frame size / Material Cast Iron (CI) frame: 63-355L. (56 frame in Al only).

AI pressure die-cast frame offer in 56 - 90L frames as option.

9. Mounting arrangements B3 as standard offer. Different options like B5, B14, B35, B34, B6, B7, B8, V1, V3, V5, V6, V15, V18, and V19 at extra cost.

10. DE & NDE end shields CI end shields as standard option for both CI & Al frames. Al end shields for Al frame motors on request at extra cost.

11. Flanges (B5 / B14) – All ranges All flanges (flange / face mounting) will be made of CI only (with integral bearing housing bores). B14 / B34 motors are available up-to 132M frame Size.

12. Motor feet Integral to motor body.13. Motor efficiency class High efficiency - Eff 2 motors (56 - 355L frame size).

Premium efficiency - Eff 1 (100L - 315L frame size). Ref. IS: 12615 –1989 & IEEMA: 19-2000, CEMEP agreement.

14. Marking on rating plate / Type Reference

Stainless steel rating plate. Rating plates will be marked with IS ref. (IS: 325-1996), IEC / EN ref. (60034-1), CE marking (up-to 315 frame) & relevant efficiency class (Eff 2 or Eff 1).

15. Atmospheric conditions Non-corrosive & non-hazardous atmosphere. 16. Ambient temperature 500C.17. Altitude Up-to 1000 M above MSL.18. Relative humidity Up-to 100%.19. Supply voltage / + Variation 415V A. C. + 10%.20. Frequency / + Variation 50 HZ + 5%.21. Combined voltage & frequency variation

+ 10% (Absolute sum)

Pratik Basu Pratik Basu D. BhattacharjeeConfidentiality

Confidential Restricted

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Series



22. Insulation class F23. Temperature rise by resistance method

Class B limit (700C over 500C ambient).

24. Method of cooling TEFC, IC 0411 as per IS: 6362-1971 (IC 0416 for forced cooling with separately mounted fan with motor).

25. Duty S1/Continuous. 26. Enclosure protection IP: 55 as standard. IP: 54, IP: 56 & IP: 44 on request.27. Direction of rotation Bi-directional.28. Vibration level As per normal class of IS: 12075-1986.29. Noise level As per IS: 12065-1987.30. Overload capacity Capable of withstanding 60% overload for 15

seconds.31. Over speed capacity 120% over speed for 2 minutes.32. Terminal box material

56 – 250M frame - Al pressure die cast, 280S – 355L frame & above - Cast Iron.

33. Terminal box position Terminal box is placed Top of the frame towards drive end (DE) side as standard option. Terminal box on Top towards non-drive end (NDE) or Side terminal box, either on RHS or LHS on request. Top terminal box can not be interchanged to Side terminal box at site.

34. Terminal box leads 6 lead terminal board for all frame sizes / rating.Up-to & including 1.5 KW – Externally Star connected - DOL.Above 1.5 KW – DOL or Star / Delta.

35. Cable entry position in terminal box

Terminal boxes will be suitable for rotation of 3600 in steps of 900. Max. Cable/terminal stud size is furnished.

36. Cable entry hole in terminal box

Threaded cable entry hole is provided & it is plugged with good quality threaded PVC plugs. Suitable single / double compression type cable glands (made of nickel plated brass) can be fitted on terminal box on request at extra cost.

37. Rotor balancing & vibration Dynamically balanced aluminum die-cast squirrel cage rotor with half sized key in the shaft extension is provided. All motors should conform to normal class of vibration as per IS: 12075 - 1986. Precision class vibration (A, B or C) will be provided on request at extra cost.

38. Rotor shaft Cylindrical single shaft extension at DE side as per IS; 1231-1974. Double / tapered / special shaft extension on request at extra cost. Shaft material - Carbon steel EN8 as per IS: 1570 - 1979. EN24 on request at extra cost. Threaded center hole – As per DIN 332, Part-2.Key & Keyway – As per IS: 2048 - 1983.

39. Bearing specification Make – SKF / FAG.



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Frame size 56-180L - Doubled sealed for life deep groove ball bearing (ZZ) with grease (grease specification is furnished) at DE & NDE side.Frame size 200L-355L - Open type deep groove ball bearing with grease at DE & NDE side. Frame-wise details are furnished.

39. Bearing specification (contd…) Angular contact ball bearing / tapered roller bearing / spherical roller bearing / cylindrical roller bearing may be offered on request at extra cost.

40. Bearing lubrication Grease – Lithium sap based, Grade II of reputed make. Online greasing arrangement for frame 200L - 355L frame with grease valve assembly (grease nipple) at DE & NDE side.

41. Bearing seal Oil Seal / Wiper Seal - frame size 56 - 180L.V Ring Seal - frame size 200L - 250M. Labyrinth Seal - frame size 280S - 355L.

42. Earthling Terminals Provision for one earthling terminal (M5 / M6 screw) on terminal box & two earthling terminals (M6 / M8 screw) on motor body.

43. Drain holes Drain holes is provided for frame sizes 180M - 355L with closable plastic drain plugs.

44. Eye bolts One no. (for frame size 100L - 355L) suitably on top of the frame made of forged steel.

45. Fan Suitable bi-directional fan will be provided to ensure effective cooling as per standard specified. Materials used for fan will be Polypropylene for frame size 56-315L & CI / Al for frame size 355.

48. Stator winding treatment Stator windings is wound with high quality double-coated super enameled copper wire & impregnated with insulating varnish (Dr. Beck or equivalent) & backed. Winding overhangs can be treated with epoxy gel, on request at extra cost. VPI treatment is on request at extra cost.

49. Finish & painting All castings / MS components are finished with red oxide primer. Aluminium components are finished with zinc chromate primer. Standard painting shade is RAL-5014. Epoxy paint will be provided on request at extra cost.

50. Packing Suitably designed corrugated cartons for frame size up-to 132M as per approved quality / design. For frame sizes 160M & above, suitable & strong wooden packing boxes are provided. These boxes are designed keeping in view of Indian condition of handling, transshipment, transportation & roads.



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51. Tests (Routine/Type/Optional/ Special) Witness of routine test / type test / Optional tests at extra cost.

Any type / optional tests are on cost basis.

Routine tests: a) Insulation resistance, b) Resistance Measurement in the stator, c) Locked rotor d) No load e) Reduced voltage running & f) High voltage.

Type tests: a) Dimensions, b) Resistance Measurement in the stator, c) Locked rotor d) Temperature rise, e) Full load, f) No load running, g) reduced voltage running, h) Momentary overload, i) Insulation resistance & j) High voltage.

51. Tests (Routine/Type/Optional/ Special) (Contd…) Only routine test certificates are provided along with the product.

Optional tests: a) Vibration severity, b) Sound level measurement, c) Degree of protection, d) Temperature rise at limiting value of voltage & frequency variation, e) Overspeed, f) Insulation system.

All tests are carried out as per relevant IS.52. Non-standard features & accessories (at extra cost)

Schedule of non-standard features / accessories (at extra cost) are provided (refer extra price circular).

53. Technical data & documentation General arrangement (GA) drawing, terminal box drawing, rating plate drawing, efficiency & power factor curves, Speed - Torque characteristics.

54. Recommended Spares Refer spares price list.

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BCH Endura Series Motor - Product Specifications