"kym" low voltage switchboard and motor control centre are designed, manufactured and type-tested in compliance with iec 61439-2, bsen 61439-2, as/nzs 61439-2 and gb7251.12. "kym" is suitable for commercial and industrial high rise buildings, power plants, oil refineries, chemical industries, metal industries, machinery, air-conditioning, heating and ventilation system, dock equipment, etc. the control panels are suitable for group control system in industrial assembly and commercial ahu system; they can also be completed with plc control.
standard product height is 2180mm and depth is 1250mm. it can be tailor-made upon request. it is constructed by 2.0~2.5mm electro-galvanized steel plate as door, cover and side plates. the base plinth is constructed by 4.5mm thick steel channel with 80mm height.
kym can also be designed as a motor control center, and built to acommodate various types of motor starters, such as direct -on-line, star-delta, auto-transformer starters and soft-starter, etc. kym mcc is type-tested with 800kw 690vac auto-transformer starter by asta.
rated voltage(ue): up to ac 690v
rated insulation voltage(ui): up to ac 1000v
rated current (in): main busbar up to 9000a
rated frequency: 50/60hz
temperature rise test: in compliance with iec 61439-2 & gb 7251.12
short-circuit withstand strenght in compliance with iec 61439-2:
-50ka 1s (1000a or below)
-50ka 3s & 65ka 1s (above 1000a and below 3200a)
-80ka 1s & 65ka 3s (4000a)
-80ka 3s (above 4000a and below 9000a)
degree of protection: standard product is ip31 in accordance to iec 60529. the enclosure can be built to ip44 upon request. internal arc fault tested in accordance with iec 61641.
form of construction: standard construction is form 3 as per iec 61439-2 requirement. it can be built to form 2 or form 4 upon request.
busbar system: tinned copper busbar according to bsen 13601 standard. busbar systems are type-tested in accordance to bsen 61439-3 and gb7251.3.