supply of supply of 4 pole, 6 way,240 v a.c., 50 hz, 63 a capacity rotary switchsupply of 4 pole, 6 way,240 v a.c., 50 hz, 63 a capacity rotary switch,supply of 4 pole, 6 way,240 v a.c., 50 hz, 63 a capacity rotary switch (special mode selector switch) suitable and retrofittable into existing 10kva(63aapacity) suntron make cls panel. it shall be of flu sh type. the contacts shall be of robust design and have required cross-section for carrying continuously 6 3a for 10 kva at and be of positive make type to avoid any sparking. the rotary switch shall be enclosed w ith a transparent cover to prevent accidental/ inadvertent/ interference to circuit. the selector switch shall have the following six positions: - (vii) off (viii) main supply (ix) standby one supply (x) standby two supply (xi) off (xii) auto it shall conform to is 13947/part5/sec.1 of 1993 & is/iec 60947-3 (1999): make: jaibalaji, salzer, select, l&t , abb, c&s, schneider, siemens or similar [ warranty period: 30 months after the date of delivery ] ]