The XL-21 series low voltage power distribution cabinet is designed forthree-phase four-wire power systems operating at 50Hz witha rated voltagebelow 660V and for transformers with a capacityoflessthan 1000kVA.It issuitable for distribution and power lighting in hotels,hospitals,ports,andindustrial enterprises,as well as for control devices and lighting for motors witha voltage of 380V and capacities ranging from 0.52 to 75kW.This powerdistribution cabinet can also be used in other suitable applications.The productfeatures flexible circuitconfigurations,convenient assembly,strongapplicability,and innovative structure.The enclosure has a protection rating of up toIP30. Product Standards:IEC60439.1-1999Low-VoltageSwitchgear andControlgear Assemblies GB7251.1-2005 Low-VoltageSwitchgear andControlgear Assemblies