Armored remove AC metal-enclosed switchgears
Armored remove AC metal-enclosed switchgear
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Armored remove AC metal-enclosed switchgear
KYN61-40.5
Conditions of use
Ambient temperature: -10℃~-40℃；
Altitude: ≤1000m；
Relative Humidity: daily average ≤95%, the monthly average of ≤90%；
Surroundings: does not apply to corrosion, severe contamination, flammable gases and violent vibration;
Earthquake intensity: not exceed 8 degrees.
The main technical parameters
Project
Unit
Parameter
Rated voltage
KV
40.5
Rated insulation
level
Lightning
impulse withstand voltage (full wave)
KV
185
Power frequency
withstand voltage (1 min)
KV
95
Rated frequency
Hz
50
Rated current
A
630、1250、1600、2000
Rated short
circuit breaking time
Power frequency
withstand voltage(1 min)
KV
20、25、31.5
Rated
short-circuit current (peak)
KV
50、63、80
Rated dynamic
current (peak)
KV
50、63、80
4s thermal
current (RMS)
KV
20、25、31.5
Enclosure rating
Vacuum circuit
breaker cabinet
mm
IP4X
Dimensions (L×W×H)
SF6 crowbar
cabinet
mm
1400×2200×2600
KYN28A-12
Conditions of use
Ambient temperature: 15℃~+40℃；
Altitude: ≤1000m；
Relative Humidity: daily average relative humidity :≤95%, daily average vapor pressure not exceeding 2.2KPa; monthly mean relative humidity≤ 90%；the average monthly water vapor pressure not exceeding 1.8KPa；
Seismic intensity：no more than 8；
Surroundings：air should not be obviously polluted corrosive or flammable gases，water vapor，no severe vibration place；
Under normal conditions of use specified beyond GB3906 ，negotiated by the user and the company.
The main technical parameters
Project
Unit
Date
Rated
voltage
KV
3.6、7.2、12
Rated
frequency
HZ
50
Breaker
rating
A
630、1250、1600、2000、2500、3150
Switchgear
rated current
A
630、1250、1600、2000、2500、3150
Rated short
time withstand current（4S）
KA
20、25、31.5、40
1Rated peak withstand current（peak）
KA
50、63、80、100
Rated short circuit breaking current
KA
20、25、31.5、40
Rated short
-circuit current（peak）
KA
50、63、80、100
Rated insulation level 1min power frequency
withstand voltage
Pole，the pole
on the ground between
KV
24、32、42
Fracture between
KV
24、32、42
Lighting impulse
withstand voltage（peak）
Pole，the pole
on the ground between
KV
40、60、75
Fracture between
KV
46、70、85
Protection class
Shell
IP4X，among
compartment，when the
circuit breaker compartment door open for the IP2X
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