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Huatuo groupKeep improving and focus on quality
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Huatuo groupKeep improving and focus on quality
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KYN28-12 armored metal enclosed switchgear (national network standardized customization)
Product Details
Product overview
KYN28-12 type indoor AC metal armored mid-mounted switchgear. It is suitable for three-phase AC rated voltage 12kV, rated frequency 50Hz power system, used to accept and distribute electrical energy and the circuit control, protection, wireless temperature measurement, online monitoring device.
This product meets the requirements of GB3906 "3 ~ 35kV AC Metal Enclosed Switchgear", GB/T11022 "Common Technical Requirements for Standards of High Voltage Switchgear and Control Equipment", IEC60298 "Rated Voltage IkV Above 52kV and Below AC Metal Enclosure Switchgear and Control Equipment", DL/T404 "Technical Conditions for Indoor AC High Voltage Switchgear.
Model meaning
|
K |
Y |
N |
28 |
12 |
□ |
Mouth |
|
metal enclosed armored type |
Move away (Handcart center type) |
Indoor use |
Design serial number |
Fixed voltage (kV) |
Primary circuit scheme |
Environmental feature code: TH-for wet zest TA-for dry zest G-for high altitude; C- for cold zone |
Working conditions
Ambient air temperature: upper limit 40 C, lower limit -10 C in general area, altitude: 1000m;
Relative humidity: daily average not more than 95%, monthly average not more than 90%;
Water vapor pressure: the daily average is not more than 2.2Kpa, the monthly average is not more than 1.8Kpa;
The product is suitable for the following two environmental conditions that are more severe than normal conditions;
Not frequent condensation (no more than twice a month on average) with mild contamination;
Usually no condensation (no more than twice a year on average) with more serious contamination;
The absence of fire, explosion hazards and harsh areas such as gases that are sufficiently dirty to corrode metals and damage insulation;
There are no places with severe vibration, turbulence and vertical inclination not exceeding 8 °.
Technical parameters
| Project | Unit | Parameters | |||
| Rated voltage | kV | 3.6,7.2,12 | |||
| Rated frequency | Hz | 50 | |||
| Rated current of circuit breaker | A | 630,125,016,002,000,000,000,000,000 | |||
| Rated current of switch cabinet | A | 630,125,016,002,000,000,000,000,000 | |||
| Rated dynamic stability current (4S) | kA | 16,20,25,31.5,40,50 | |||
| Rated stable current (peak) | kA | 40,50,63,80,100,125 | |||
| Rated short-circuit breaking current | kA | 16,20,25,31.5,40,50 | |||
| Rated short-circuit closing current (peak) | kA | 40,50,63,80,100,125 | |||
| Rated insulation level | Imin power frequency withstand voltage | kV | 24 | 32 | 42 |
| Lightning impulse withstand voltage | kV | 40 | 60 | 75 | |
| Protection level | Enclosure IP4X, isolation room, circuit breaker chamber door open IP2X | ||||
Key words:
KYN28-12 armored metal enclosed switchgear (national network standardized customization)
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