supply of combination fuse switch unitscombination fuse switch units,combination fuse switch units, rated current 60/63 amp, metal clad, triple pole with neutral link, degree of protection ip-23, conforming to is/iec 60947(part- 1/20 04) & is/iec 60947 (pt. 3/1999), quick make & break, interlockable cover, uniterrupted duty , utilization category ac-23a with three number high rupturing capacity (80 ka minimum), cartridge fuses with bolted connection, rated voltage 415 volt, 50 hz, ac, conforming to is:13703(part. 1)/1993 (reaffirmed-2004) & is:13703(pt.2/section 1 & 2)/1993(reaffirmed - 2 004). enclousure shall be made of crc sheet of thickness not less than 1.2 mm. [ warran ty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]