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System pro M compact® - Piti Group

System pro M compact® - Piti Group

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<strong>System</strong><strong>pro</strong> M compact ®Technical detailsToroidal transformersModularresidual currentdevicesIn presence of line overcurrents (for ex. motor operation, energizing of transformers, etc.):- install the toroidal transformer on a straight cable segmentPECable metallicshieldingRSTNL1 L2 L3 N Cable externalinsulating coatingProtectionconductorProtectionconductorPE- center cable position within the transformer- use transformers with a diameter wider than minimum requirements, if necessary with a diameterup to 2 times wider than that of cables.Coordination table of toroidal transformers acc. to cable sectionCopper cables 3 ph + N10Max section per phaseToroidal Transformer16 mm 2 TRM25 mm 2 TR150 mm 2 TR295 mm 2 TR3240 mm 2 TR4 or TR4/A2 x 150 mm 2 TR160 or TR160/A2 x 185 mm 2 TR5 or TR5/ASelection tables ............................. pag. 5/1410/114 ABB

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