INCREASED SAFETY TYPE'e'  PROTECTION : TEFC(Totally Enclosed  Fan Cooled), SCR(squirrel cage) Induction Motors FOR ZONE 2 AREAS
1.11  SPECIFICATION OF STANDARD PRODUCTS
1.11.1  Area classification   Hazardous Area-Div.2(As per IS5572)
1.11.2  Statutory approvals   CMRI : Central  Mining Research Institute
       DGFAS & LI : Director General Factory
Advise service & Labour Institute, Mumbai
1.11.3  Temperature Class *   T3(200 degreeC)  or T4( 135 degree C) - as
required.
1.11.4  Temperature  Rise   For 40 degree ambient : 70 degree
       For 45 degree ambient : 65 degree
       
1.11.7  Maximum cable size   Frame   Cable size AYFY mm sq.
       ND160-180  2 X 3C X 25
       ND200-225  2 X 3C X 120
       ND250-315L  2 X 3C X 240
( Star-delta Starting is not possible in ND160 to ND225 frame terminal box.)
All other specifications are same as TEFC-SCR motors .