Visión general
KYN28-24 switchgear es un medium voltage switchgear solution with a variety of functions to prevent misoperation, including preventing moving handcar with load, preventing grounding switch from closing the circuit breaker, preventing live grounding switch and preventing straying into the live compartment. This 24kV metal‑clad switchgear is widely used in substations and industrial power distribution systems by global switchgear manufacturers and suppliers.
Switchgear equipped with excellent performance of VS1, VN2 series of medium high voltage AC vacuum circuit breaker and solid sealed vacuum switch. The secondary circuit of the switchgear is equipped with advanced and reliable control and protection elements; The bus bar adopts heat shrink insulation material or epoxy coated insulation means, optimizes the electrode shape, and the cabinet structure is compact. The switchgear is a power distribution equipment with advanced technology, stable performance, reasonable structure, convenient use, safety and reliability, making it suitable for industrial buyers, engineering contractorsy power equipment procurement projects.
Modelo Significado
| K | Y | N | 28 | – | 24 | Z |
| ↓ | ↓ | ↓ | ↓ | | ↓ | ↓ |
| Tipo blindado metálico | Tipo de cambio | Interior | Número de secuencia del diseño | | Tensión nominal (KV) | Interruptor de vacío |
Condiciones de uso
◆ Condiciones ambientales: temperatura máxima +40℃ , temperatura mínima -15℃ , y la media medida en 24h no supera los 35℃.
◆ Las condiciones de temperatura son las siguientes: la humedad relativa media diaria no supera los 95%; La humedad relativa media mensual es inferior a 90%. La presión media diaria del vapor no supera los 2,2kPa; La presión media mensual del vapor no supera los 1,8kPa;
◆ La altitud no supera los 1000 m;
◆ El aire circundante no está contaminado de forma significativa por polvo, humo, gases corrosivos o combustibles, vapores o niebla salina;
◆ Se pueden ignorar las vibraciones o los movimientos del suelo procedentes de equipos de conmutación y control externos;
◆ La amplitud de las interferencias electromagnéticas inducidas en el sistema secundario no supera 1,6kV.
KYN28-24 Celdas blindadas de CA con envolvente metálica de tipo retráctil
| Artículo | Unidades | Argumentt |
| Corriente nominal de corta duración (4 s) | kA | 20 | 31.5 |
| Corriente nominal de pico soportada | kA | 50 | 80 |
| Tensión nominal del bucle de control auxiliar | V | CC o CA 110/220 |
| Clase de protección | | IP4X (puerta del disyuntor abierta o IP2X entre compartimentos) |
| Dimensionesgenerales(AnxPrxAl) | mm | 800×1810×2380 | 1000×1810×2380 |
| Peso | kg | 840~1440 | 840~1440 |
| Tensión nominal | kV | 24 | 24 |
| Frecuencia nominal | Hz | 50/60 | 50/60 |
| Tensión soportada al impulso del rayo
(pico) | kV | Interfase | 60 | Fractura de aislamiento | 79 |
Rated
nivel de aislamiento | 1min frecuencia de potencia soportada
tensión (RMS) | kV | Interfase | 125 | Fractura de aislamiento | 145 |
Frecuencia de potencia del bucle de control auxiliar
tensión soportada | V | 2000 |
| Corriente nominal | A | 630,1250,1600,2000,2500,3150 |
| Corriente asignada de corte en cortocircuito | kA | 20 | 31.5 |
| Corriente nominal de cierre en cortocircuito (pico) | kA | 50 | 80 |
Preguntas frecuentes
What is KYN28-24 switchgear?
KYN28-24 is a 24kV metal-clad withdrawable switchgear used in medium-voltage power distribution systems.
What are the advantages of metal-clad switchgear?
Includes high safety, compartmentalized design, easy maintenance, and reliable interlocking.
Where is KYN28-24 switchgear used?
Widely used in substations, industrial plants, commercial buildings, and renewable energy systems.
How to choose the right medium voltage switchgear?
Consider voltage level, short-circuit rating, protection scheme, and installation environment.
Does KYN28-24 comply with IEC standards?
Yes, it typically meets IEC 62271-200 and related MV switchgear standards.