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location:Intelligent Power Distribution Products > Medium Voltage Intelligent Switchgear

ZS33 Series
40.5kV Medium Voltage Switchgear

Features
ZS33 medium-voltage switchgear adopts a modular design concept and incorporates high-quality components with advanced technology and strict standards. It is a technologically advanced, performance-stable, structurally sound, user-friendly, and safe distribution equipment. It is equipped with a handcart-type circuit breaker, contactors, and can accommodate load switches. It is suitable for 40.5kV three-phase AC distribution systems.
  • Features
  • Parameter
  • Application field
  • Key features: 40.5kV

    Product features:

    1.Equipped with a cutting-edge V-Sa full-insulated pole vacuum circuit breaker

    2.The switchgear features a trolley with rack-in-rack out structure for easy maintenanc

    3.The busbar is wrapped with premium heat shrink tubing to enhance insulation strength, allowing for a cabinet width of 1200mm



  • Compliance with: GB/IEC



    Rated voltage: 40.5kV



    Rated frequency: 50Hz



    Maximum rated current of the main busbar:2500A



    Maximum rated short-time withstand current: 31.5kA (4s)



    Maximum rated peak withstand current: 80kA



    Maximum rated short-circuit breaking current 1: 31.5kA



    Rated breaking current for a single capacitor bank: 630A



    Rated back-to-back capacitor bank breaking current: 400A



    Protection level of the casing: IP3X


  • Power grids, substations, industrial zones, transportation, real estate, communications, environmental protection, municipal, infrastructure, and public utilities.