System pro M compact® - Piti Group

11The System pro Mcompact rangen MCBs:- circuit-breakersn RCDs:- residual current circuitbreakers(RCCBs)- RCD-blocks- residual current circuitbreakerswith overcurrentprotection (RCBOs)n Auxiliary elements:- a whole range aof accessoriesand auxiliaryelementsn MRCDs-Modular residualcurrent devicesA range of electronic residualcurrent relays providingresidual current protectionand monito-ring functions.n MDRCs-Surge protectivedevicesn MDRCs-Protection devicesIn addition to MCBs andRCDs, ABB supplies othermodular devices for protectionsuch as residual currentrelays and fuse holders.n MDRCs-Command devicesThis category includesdevices that are operatedmanually to command theelectric system: contactors,latching relays, switch-isolators,switches, pushbuttonsetc. Typically they areinstalled to control lightsfrom severeal points of thesame circuit or to pilot userdevices with a high numberof operations.n MDRCs-Loadmanagement devicesOverload relays, loadmanagement switches,anti black-out lamps, timeswitches and the othermodular devices in thiscategory react automaticallyto variations of parametersand other events in thesystem to allow for plantoptimisation.n MDRCs-MeasurementdevicesThe range of devices inthis category is very wide,including a great numberof auxiliary componentsand accessories that makeinstallation in switchboardsand consumer units practicaland economic.n MDRCs-Other devicesThe range of ABB MDRCsalso includes bells, transformersetc.n Various accessoriesABB1/5