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ABB HPA24/612C is a 24kV indoor SF6 disyuntor de media tensión with rated current 630A and rated short-circuit breaking current 12.5kA. It is compatible with SafeSix switchgear and has been discontinued. The recommended replacement models are VD4-24/630-16 and HD4-24/630-16.
- Explicación del código del modelo
| Segmento de código | Significado | Descripción |
| HPA | Código de serie del producto | ABB indoor SF6 medium voltage circuit breaker series, sharing the same platform with HD4 series, applicable for SafeSix switchgear |
| 24 | Rated voltage level | 24kV (estándar IEC, matching domestic 24kV power system) |
| 612 | Combination of current and breaking capacity | 6 stands for 630A rated current; 12 stands for 12.5kA rated short-circuit breaking current |
| do | Estructura & configuration code | Configuración estándar, fixed type or withdrawable type (depends on switchgear type) |
- Parámetros técnicos básicos (2026 Official Manual Version)
| Parámetro | Valor | Standard Basis | Observaciones |
| Tensión nominal (Un) | 24kV | CEI 62271-100 | Max operating voltage: 27.5kV |
| Corriente nominal (Y) | 630A | CEI 62271-100 | Continuous operation at ambient temperature 40℃ |
| Rated Short-circuit Breaking Current (Isc) | 12.5el | CEI 62271-100 | 3-second short-circuit withstand |
| Corriente nominal de resistencia de corta duración (icw) | 12.5kA/3s | CEI 62271-100 | Thermal stable current |
| Rated Peak Withstand Current (Ipk) | 31.5el | CEI 62271-100 | Dynamic stable current |
| Mecanismo operativo | Spring energy storage | CEI 62271-100 | Manual / electric operation optional |
| Insulating Medium | SF6 gas | CEI 62271-100 | Rated pressure: 0.45MPa @20℃ |
| Grado de protección | IP4X | CEI 60529 | Cabinet installation condition |
| Resistencia mecánica | 10,000 operaciones | ABB technical specification | Standard operation cycle |
| Resistencia eléctrica | 100 veces | CEI 62271-100 | Rated short-circuit breaking times |
| Peso | Aprox.. 85kilos | ABB technical specification | Excluding accessories |
| Order Number | 1VYN400551-XXX | Official ABB | Subject to actual configuration |
- Cross-brand Compatibility Comparison (MV SF6 Circuit Breaker)
| ABB Model | Schneider | siemens | Eaton | Technical Differences |
| HPA24/612C | MVnex 24/630-12.5 | 3AH4 24kV/630A/12.5kA | Power Xpert 24kV/630A/12.5kA | ABB HPA series adopts SF6 insulation and spring mechanism, fits SafeSix switchgear |
| Reemplazo: VD4-24/630-16 | HVX 24/630-16 | 3AH5 24kV/630A/16kA | Power Xpert 24kV/630A/16kA | VD4 adopts vacuum insulation with 30,000 mechanical operations and superior environmental performance |
- Full HPA Series Model List
| Modelo | Tensión nominal | Corriente nominal | Capacidad de ruptura | Escenarios de aplicación |
| HPA12/616C | 12kV | 630A | 16el | Distribución de energía industrial, substation |
| HPA12/620C | 12kV | 630A | 20el | Industria pesada, large factories |
| HPA12/1225C | 12kV | 1250A | 25el | Regional substation, power plant |
| HPA12/1631C | 12kV | 1600A | 31.5el | Large industrial users, hub substation |
| HPA24/612C | 24kV | 630A | 12.5el | 24kV power distribution system, small substation |
| HPA24/616C | 24kV | 630A | 16el | 24kV power distribution system, medium-sized factories |
| HPA24/1220C | 24kV | 1250A | 20el | 24kV regional substation |
| HPA24/1625C | 24kV | 1600A | 25el | 24kV large industrial projects |
| HPA36/616C | 36kV | 630A | 16el | 36kV power distribution system |
- Fallos comunes & Pautas de mantenimiento
| Fenómeno de falla | Posibles causas | Pasos para solucionar problemas | Sugerencias de mantenimiento |
| No cerrar | 1. Incomplete energy storage | 1. Check energy storage indicator | 1. Test manual energy storage |
| 2. Abnormal control voltage | 2. Measure control circuit voltage (DC220V/AC220V) | 2. Repair control circuit fault | |
| 3. Interlock not released | 3. Inspect mechanical interlock status | 3. Adjust interlock device | |
| Failure to open | 1. Burnt trip coil | 1. Medir la resistencia de la bobina (normal: approx.100Ω) | 1. Replace trip coil |
| 2. Tripping mechanism stuck | 2. Test manual opening operation | 2. Clean and lubricate tripping mechanism | |
| 3. Low SF6 gas pressure | 3. Check SF6 pressure gauge (≥0.4MPa) | 3. Refill gas or inspect air leakage | |
| SF6 gas leakage | 1. Aging sealing parts | 1. Detect leakage with SF6 leak detector | 1. Replace sealing components |
| 2. Loose connectors | 2. Check all connecting parts | 2. Fasten connectors | |
| 3. Shell crack | 3. Observe shell appearance | 3. Replace shell for severe damage | |
| Excessive contact resistance | 1. Contact wear | 1. Measure contact resistance (≤50μΩ) | 1. Replace contacts |
| 2. Dirty contact surface | 2. Inspect contact surface | 2. Clean contact surface | |
| 3. Loose connecting bolts | 3. Check bolt tightening torque | 3. Fasten bolts per standard torque |
- Entorno de aplicación & Industry Cases
6.1 Escenarios aplicables
24kV industrial power distribution system (químico, metalurgia, mining industry)
Secondary substation of urban power grid
Commercial buildings and infrastructure (airport, hospital, centro de datos)
Renovation projects matching SafeSix switchgear
6.2 Escenarios inaplicables
Altitude above 2000m (derating required, derating factor: 0.9 per 1000m)
Severe corrosive environment (seaside, chemical zone, special anti-corrosion treatment required)
Frequent short-circuit breaking operation (exceed 10% of rated breaking times)
Areas with strict environmental requirements (SF6 has strong greenhouse effect, VD4 vacuum circuit breaker is preferred)
6.3 Casos de aplicación típicos
Caso 1: 24kV Power Distribution Renovation for Chemical Plant
Solicitud: Replace old oil-minimum circuit breakers to improve power supply reliability
Solución: 8 sets HPA24/612C matched with ABB REF542 protection relay
Effect: Fault outage duration reduced by 80%, maintenance cost cut by 50%
Caso 2: 24kV Traction Substation for Urban Rail Transit
Solicitud: Protection for traction transformer and feeder line
Solución: 4 sets HPA24/612C with withdrawable structure for quick replacement
Effect: Meet high reliability requirements of rail transit, MTTR＜30 minutes
- Air Freight Compliance & Información de certificación
7.1 Air Freight Compliance
Hazard Classification: Non-dangerous goods (no lithium battery, no explosive materials)
IATA Shipping Category: General cargo
Packaging Standard: Comply with ISTA 3A standard to avoid SF6 seal damage caused by transportation vibration
Nota: Close SF6 inflation valve during transportation to prevent gas leakage
7.2 Documentos de certificación
CE Certificate No.: 1YHA000091 (universal for HPA series)
IEC Standard Approval: CEI 62271-100:2017
China National Standard Approval: ES 1984-2014 High-voltage Alternating Current Circuit-breakers
Environmental Certification: SF6 gas recovery complies with IEC 62271-4
- Selección de modelo & Sugerencias de reemplazo
- Confirmación de modelo: HPA series is fully discontinued. It is recommended to contact ABB customer service 400-810-8888 and provide nameplate photos to confirm detailed configuration.
- Soluciones de reemplazo
First choice: VD4-24/630-16 (vacuum type, 30,000 operaciones mecanicas, SF6-free eco-friendly design)
Alternative choice: HD4-24/630-16 (SF6 type, same platform as HPA, direct replacement without switchgear modification)
- Spare Parts Procurement: Limited stock of HPA series spare parts. Pre-order via authorized ABB distributors in advance or plan overall equipment upgrading.
