Polycab Cable Selection Chart & Ampere Rating

"( Comparative Current Ratings of 650/1100 Volts Multicore heavy duty PVC Insulated Cables & XLPE Insulated Cables. ( 3 , 3.5 & 4 Core Unarmoured / Armoured PVC Sheathed Cables Cables with Aluminium Conductor. E @ 0  3 %= (+ )+ +9 89 :+ %(9 %+9 %;+ (*9 )99 *99

)4)+*     ""    7%++*57%&%:;;  D   >  #   B B  =9 +% * 8= 89 (+ :( ;= %; %%9 %9+ %) %)+ %)9 9:) %=+ %++ 9=; %;+ %;9 9+* (%9 (9+ 9*= ()+ (*9 9); (8+ (;9 9(; )9+ )%+ 9(+ ))+ )8+ 9(9

)4)+*     ""    789:; 57%&%:;;  D   >  #   ABB  8) 89 *( :* := (8 %%) %%8 %: %)) %*( %* %=* %8: 9:: %:= ((% 98( (() (+8 9+; (*: (:( 9*; (;( ))8 9): )(= ):: 9)% )=8 *++ 9(= *(9 +)9 9(%

") $'!% 7 .! %!,% 1%5 7!  , !% 7! :  &    :: -%. ''!  $%%$ ,!3!! % ;$' E @ 3 %+ (+ * = %9 %= (+ )+ +9 89 :+ %(9 %+9 %;+ (*9 )99 *99 +99 =)9 ;99 %999 Page No.5

    9%8) 7 9(;) 7 9*= 9)9) 9=:9 9*++ %%+ 98+; %;* %(% (;; %:9 *9) (=+ +8+ )8: ;9+ +)% %9:9 %);9 %8) (%) (8= )*+ *=99 +8+ 8(+ :(9 %%+9

8( :%9 %%*9 %*9( %;(9 ((;9 (( ;9 )9*9 ); *8(+ =99 8+

    9(% 7 9)= 7 9+8 9); 9;= 9+8 %*9 9:* ()9 %+ )=9 (*9 +9 )) 8%9 *89 %99 == %)= %8%9 (%*9 (=*9 )*) *(:9 +8%9 8%* :9 %%*) %*(:

:9 %%)9 %*( %8+9 ((= (;) )88 *8( +:* 8++ :*)

* PVC Type ‘A’ Insulation as per IS-5831/’84.

     7%++* 57%&7%:;; 57%&7%:;;      789:; 57%&7%:;; 57%&7%:;; %& A>   ! !      89  :9

(&A> ! # "  %=9

(+9

Formula relating Short Circuit Circuit Rating with with duration

 I " -" √   I "  '     I    " I "     %  