The KYN61-40.5 armored draw-out AC metal-clad switchgear(hereinafter referred to as switchgear)is an indoor complete distribution device for three-phase AC 50Hz with a rated voltage of 40.5kV.It is used for receiving and distributing electric energy in power generation substations,industrial and mining enterprises,performing circuit control, protection and monitoring functions,and is also suitable for occasions requiring frequent operation. This switchgear complies with standards including GB3906-2006 3~35kV AC Metal-clad Switchgear, GB/T 11022-1999 Common Technical Requirements for High-voltage Switchgear and Controlgear Standards, and DL/T 404-2007 3.6kV~40.5kV AC Metal-clad Switchgear and Controlgear.
The KYN61-40.5 armored draw-out AC metal-clad switchgear(hereinafter referred to as switchgear)is an indoor complete distribution device for three-phase AC 50Hz with a rated voltage of 40.5kV.It is used for receiving and distributing electric energy in power generation substations,industrial and mining enterprises,performing circuit control, protection and monitoring functions,and is also suitable for occasions requiring frequent operation.
This switchgear complies with standards including GB3906-2006 3~35kV AC Metal-clad Switchgear, GB/T 11022-1999 Common Technical Requirements for High-voltage Switchgear and Controlgear Standards, and DL/T 404-2007 3.6kV~40.5kV AC Metal-clad Switchgear and Controlgear.
| Project | Unit | Data |
|---|---|---|
| Rated Voltage | kV | 40.5 |
| Rated Current | A | 1250，1600，2000 |
| Rated Frequency | Hz | 50 |
| Rated Current | kA | 20，25，31.5 |
| Rated Short- Circuit Breaking Current | kA | 50，63，80 |
| Rated Short-Time Withstand Current of Main Circuit | kV | 95/1min |
| Rated Short-Time Withstand Current of Grounding Circuit | kV | 185 |
| Rated Short-Circuit Duration | s | 4 |
| Ingress Protection (IP) Rating | IP3X |
Model Description
Operating Conditions
※ Ambient Temperature:Upper limit +40℃, and the average value measured within 24h shall not exceed 35℃;Lower limit-10℃
※ Altitude: ≤ 1000 m
※ Relative Humidity: Daily average ≤ 95%; Monthly average ≤ 90%
※ Seismic Intensity: ≤ Grade 8
※ Water Vapor Pressure: Daily average ≤ 2.2 kPa; Monthly average ≤ 1.8 kPa
※ Ambient Surroundings: No fire, explosion hazard, heavy pollution, chemical corrosion or severe vibration.
Outline Dimension Drawing
Ordering Notes
The following must be specified when placing an order：
※ Main circuit scheme number, application, single-line schematic diagram, arrangement drawing, switchgear room layout drawing and other related documents
※ Auxiliary circuit wiring schematic diagram and terminal arrangement drawing
※ Model, specification and quantity of electrical components in the switchgear
※ Requirements for switchgear control, measurement, protection functions, as well as requirements for other interlocking and automatic devices
※ If bus bridges are required for connection between switchgears or with incoming cabinets, provide specific parameters including rated current-carrying capacity, span and ground clearance of the bus bridges
※ Specify the type and quantity if accessories and spare parts are required
※ If the switchgear is to be used under special environmental conditions, detailed description shall be provided at the time of ordering.