Product Name: Zw7a-40.5 Hv Vacuum Circuit Breaker Outdoor Type CT Outside Model NO.: ZW7A-40.5 Certification: ISO9001-2000 Function: Circuit-Breaker Failure Protection Type: Circuit Breaker Poles Number: 3 Structure: MCCB Installation: Open-Type and Insulated Cylinder Type Vcb Arc-extinguishing Medium: Vacuum Speed: Normal Type Circuit Breaker Operation: Electric Type Breaking Capacity: High Voltage Circuit Breakers Rated Current a: 1250/1600/2000/2500 Rated Short-Circuit Breaking Current Ka: 20/25/31.5 Mechanical Endurance: M2 Class Rated Voltage: 40.5kv Trademark: CHRUI Transport Package: Wooden Case Specification: 300*780*785MM Origin: Made in China HS Code: 8535210000 Product Description ZW7A-40.5 Series Vacuum Circuit Breaker,Outdoor TypeGeneralRatings: voltage 40.5kV, current up to 2500A, AC50/60HzApplication: for the control and protection of substation and equipment. Making and breaking load current, overload current and short-circuit current under various operating status of electric network. Standard: IEC62271-100, IEC62271-111. Working ConditionAmbient air temperature: -40~+40ºCAltitude: ≤2000mService condition with dust, corrosive / flammable gas, vapor or salty fog pollution are acceptable.Wind speed: ≤34m/s (Equal to 700Pa over cylindrical surface)The external shocking and earthquake could be neglected.Pollution level: ≤Note: Customized products for other special working conditions are available on your requirements.Overall and Installation DimensionOrdering Information:Please indicate the following items when order:Type, name and quantity.Rated voltage, rated current and rated short-circuit breaking current.Rated operating voltage.Name and quantity of spare parts.Customized products are available per you requirements.