supply of sheet steel enclosure suitable for double pole mcb etc.sheet steel enclosure suitable for double pole mcb etc.,sheet steel enclosure suitable for double pole mcb as per is/iec 60898-1, 2002 & is/erc 60947- 1- 2002 having characteristics of c/b, with front sheet steel cover, having cut out for installatio n of circuit breaker. the enclosure shall be powder coated with minimum 2 earth earthing points and a dequate din rail for mounting the circuit breaker as per is:11039-1983 top hat section rail th: 35/7.5. the enclosure must have provision of knockout punches on top and bottom for conductor entry and exi t and shall be as per iec 61439-3 with ip-65 protection. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]