Brand Name: TSTY
Modle Mumber: KYN28-24kv
1. General
1.1 Ratings: system voltage 24kV rated current up to 1250A, AC 50/60Hz,
1.2 Application: applicable for power receiving and distribution of power plant and substations for control, protection and measurement,
1.3 Standarcls: IEC 62271-200
2.Type Desigiation
3. Main Technical Parameter
|
Item |
Unit |
Data |
|
CB fitted |
||
|
NV1-24 |
||
|
Rated voltage |
kV |
24 |
|
1 min power frequency withstand voltage |
kV |
(50)65 |
|
Rated impulse withstand voltage (peak) |
kV |
125 |
|
Rated frequency |
Hz |
50(60) |
|
Rated current |
A |
630 1250 1600 2000 2500 3150 |
|
Rated current of branch bus |
A |
630 1250 1600 2000 2500 |
|
Rated short time withstand currenl |
kA |
16 20 25 31.5 |
|
Rated peak withstand current |
kA |
40 50 63 80 |
|
Rated short circuit continuous time |
s |
4 |
|
Protection level |
|
Shell: IP4X. IP2X when CPT and CB door are open |
|
Weight |
kg |
800,1000(rated current >1600A) |
Working Condition Features
1.1 Ambient air temperature: -15°C~+40°C (-25，C~+45*C available as customized products)
1.2 Altitude: W1000m
1.3 Relative Humidify: Daily average《95%
Monthly average 《90%
1.4 Earthquake intensity: magnitude 《8》
1.5 Applicable in the places without corrosive or flammable gas and steam pollution.Note: Customized products are available.
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