8 MB - POWERLAB

InstallationrecommendationsInstallation in switchboard 0PartitionsSufficient openings must be provided in partitions toensure good air circulation around the circuit breaker;Any partition between upstream and downstreamconnections of the device must be made of nonmagneticmaterial.For high currents, of 2500 A and upwards, the metalsupports or barriers in the immediate vicinity of aconductor must be made of non-magnetic material A.Metal barriers through which a conductor passes mustnot form a magnetic loop.DB101434A : non magnetic material.DB101435Busbars (NT, NW)The mechanical connection must be exclude thepossibility of formation of a magnetic loop around aconductor.DB101440DB101436Busbars (NT)For live busbars installed immediately above the circuitbreaker (respecting the 100 mm safety clearance), thedistance between bars must be 65 mm minimum.In a 1000 V system, the bars must be insulated.DB103879Interphase barrierIf the insulation distance between phases is notsufficient (y 14 mm), it is advised to install phasebarriers (taking into account the safety clearances).Mandatory for a Masterpact NT > 500 V.DB101438DB101439101