power contactor of capacity 32 amp with 3 main poles and 1 no 1 nc auxiliary contacts volt age rating 415 v ac frequency 50 hz coil voltage 415 v ac no of phase 3 phase similar to the cat n o 3tf3400 0a of siemens conforming to is 13947 pt 4 1993 or latest make siemens l t abb or simil ar in all respect warranty period 30 months after the date of delivery