Sts Switchgear Ltd

STS range of Motor Control Centres Form 4 multi-cubicle type designed and tested in accordance with the requirements of BS EN 60439-1 and which is utilized in a wide variety of industries including steel, chemical, petro-chemical, utilities, pharmaceutical etc. The flexibility of the design enables the same basic construction to be used for the incorporation of a wide spectrum of technologies i.e. conventional electo-mechanical starter components, PLC's, variable speed drives, soft start units and intelligent motor managers/ starters communicating on diverse but standard communications protocols i.e. profibus, devicenet, modbus etc. Ratings Ratings - Upto 4000Amp with certfied short circuit fault withstand of up to 50ka for 3 sec (80ka for 1 sec) Bus-Bars - Bus-Bars are of half hard high-conductivity copper supported by permali supports. Standard bus-bars are of bare copper, air insulated. Plastic sleeved or tinned bus-bars can be supplied to clients requirements. A main earth bar runs the length of the MCC with a vertical extension to each compartment. Separation and Segregation - Separation and segregation of bus-bars and functional units is incorporated to meet the requirements of BS EN 60439-1 Form 4 Type 2 to Type 7. Cable Access - Front or rear and top or bottom cable access to suit the application. Construction - The MCC structure is of sheet steel, formed to provide a rigid structure of folded and welded construction of inherent strength and pleasing appearance. Paint Finish - Enclosures, after pre-treatment, are finished in a durable and high standard epoxy powder coat to a minium of 50 microns. Standard colour is RAL 7032, other colours are available. Degree of Protection - Standard protection is to IP42 to BS EN 60529. Protection to IP54 can be provided as an extra.