supply of sheet steel enclosure suitable for triple 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 installation of circuit breaker. the enclosure shall be powder coated with minimum 2 earth earthing points and adequate 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 exit and shall be as per iec 61439-3 with ip-65 protection.sheet steel enclosure suitable for triple 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 installation of circuit breaker. the enclosure shall be powder coated with minimum 2 earth earthing points and adequate 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 exit and shall be as per iec 61439-3 with ip-65 protection.,sheet steel enclosure suitable for triple pole mcb as per is/iec 60898-1, 2002 & is/erc 6 0947-1- 2002 having characteristics of c/b, with front sheet steel cover, having cut out for installation of circuit breaker. the enclosure shall be powder coated with minimum 2 earth earthing points and ade quate din rail for mounting the circuit breaker as per is:11039-1983 top hat section rail th: 35/7.5. t he enclosure must have provision of knockout punches on top and bottom for conductor entry and exit 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 ] ] coaching depot stores/src, ser west bengal 24.00 numbers divisional gsd adra, ser west bengal 266.00 numbers