BharatBijilee | Non Sparking Squirrel TEFC Cage Motors

The BBL range of Non sparking Ex (n) Type "MN" motors are from 0.12 Kw ( Frame 63) to 160 Kw ( Frame 315M). Motors are also offered in multi speed and non standard outputs / voltages / frequencies. Non sparking energy efficient motors are also available. These motors can be used in Zone 2 areas as per IS 5572 and VDE 0165.

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Type of protection 'n' provides protection against auto-ignition of surrounding gases/vapours. These motors conform to IS: 8289 & IS: 9628 and can be used in zone 2 areas. The special features of motors with type 'n' protection are

  •   The surface temperature does not exceed 200°C i.e. Temperature class T3.
  •   The Terminal Box has degree of protection IP55.
  •   A drain plug is provided on the end shields to remove condensed water.
  •   The terminal plate is of a special design such that the terminals are protected against loosening under vibrations.
  •   The radial air gap of the motors is such that the minimum air gap values specified in IS: 6381 are fully satisfied.
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