Bch Endura Series Motor - Product Specifications

Technical Specification

BCH Low Voltage Three Phase TEFC Squirrel Cage Induction Motor Series 1. Product brand name 2. Product range

3. Ref. standards 4. Schedule of tolerances 5. No of poles 6. Frame size 7. Ourput (KW / HP) 8. Frame size / Material 9. Mounting arrangements 10. DE & NDE end shields 11. Flanges (B5 / B14) – All ranges 12. Motor feet 13. Motor efficiency class

14. Marking on rating plate / Type Reference 15. 16. 17. 18. 19. 20. 21.

eηdura Series 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 IS: 325 - 1996. Duty Motors (Vector Range) As per relevant Indian Standard (IS). 2-Pole, 4-Pole, 6-Pole & 8-Pole (higher poles on request). 56 - 355L frame for Eff2, 100L - 315L frame for Eff 1 & 100L - 355L for Inverter Duty Motors with forced cooling. 0.093 KW / 0.125 HP to 315 KW / 425 HP. Cast Iron (CI) frame: 63-355L. (56 frame in Al only). AI pressure die-cast frame offer in 56 - 90L frames as option. 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. CI end shields as standard option for both CI & Al frames. Al end shields for Al frame motors on request at extra cost. 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. Integral to motor body. 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. Stainless steel rating plate. Rating plates will be marked with IS ref. (IS: 325-1996), IEC / EN ref. (600341), CE marking (up-to 315 frame) & relevant efficiency class (Eff 2 or Eff 1). Non-corrosive & non-hazardous atmosphere. 500C. Up-to 1000 M above MSL. Up-to 100%. 415V A. C. + 10%. 50 HZ + 5%. + 10% (Absolute sum)

Atmospheric conditions Ambient temperature Altitude Relative humidity Supply voltage / + Variation Frequency / + Variation Combined voltage & frequency variation 22. Insulation class F 23. Temperature rise by resistance Class B limit (700C over 500C ambient). Confidentiality Confidential method Pratik Basu Pratik Basu D. Bhattacharjee

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Technical Specification

BCH Low Voltage Three Phase TEFC Squirrel Cage Induction Motor Series 24. Method of cooling 25. 26. 27. 28. 29. 30.

Duty Enclosure protection Direction of rotation Vibration level Noise level Overload capacity

31. Over speed capacity 32. Terminal box material 33. Terminal box position

34. Terminal box leads

35. Cable entry position in terminal box 36. Cable entry hole in terminal box

37. Rotor balancing & vibration

38. Rotor shaft

39. Bearing specification

TEFC, IC 0411 as per IS: 6362-1971 (IC 0416 for forced cooling with separately mounted fan with motor). S1/Continuous. IP: 55 as standard. IP: 54, IP: 56 & IP: 44 on request. Bi-directional. As per normal class of IS: 12075-1986. As per IS: 12065-1987. Capable of withstanding 60% overload for 15 seconds. 120% over speed for 2 minutes. 56 – 250M frame - Al pressure die cast, 280S – 355L frame & above - Cast Iron. 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. 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. Terminal boxes will be suitable for rotation of 3600 in steps of 900. Max. Cable/terminal stud size is furnished. 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. 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. 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. Make – SKF / FAG. 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.

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BCH Low Voltage Three Phase TEFC Squirrel Cage Induction Motor Series 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. 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. Oil Seal / Wiper Seal - frame size 56 - 180L. V Ring Seal - frame size 200L - 250M. Labyrinth Seal - frame size 280S - 355L. Provision for one earthling terminal (M5 / M6 screw) on terminal box & two earthling terminals (M6 / M8 screw) on motor body. Drain holes is provided for frame sizes 180M - 355L with closable plastic drain plugs. One no. (for frame size 100L - 355L) suitably on top of the frame made of forged steel. 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 56315L & CI / Al for frame size 355. Stator windings is wound with high quality doublecoated 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. 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. 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. Routine tests: a) Insulation resistance, b) Resistance Measurement in the stator, c) Locked rotor d) No load e) Reduced voltage running & f) High voltage.

40. Bearing lubrication

41. Bearing seal 42. Earthling Terminals 43. Drain holes 44. Eye bolts 45. Fan

48. Stator winding treatment

49. Finish & painting

50. Packing

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.

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.

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BCH Low Voltage Three Phase TEFC Squirrel Cage Induction Motor Series 51. Tests (Routine/Type/Optional/ Special) (Contd…) Only routine test certificates are provided along with the product. 52. Non-standard features & accessories (at extra cost) 53. Technical data & documentation 54. Recommended Spares

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. Schedule of non-standard features / accessories (at extra cost) are provided (refer extra price circular). General arrangement (GA) drawing, terminal box drawing, rating plate drawing, efficiency & power factor curves, Speed - Torque characteristics. Refer spares price list. xxxxx

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