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Motor Control Centres

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.