
ABB HPA24/612C is a 24kV indoor SF6 disjuntor de média tensão 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.
- Explicação do código do modelo
| Segmento de código | Significado | Descrição |
| HPA | Código da série do produto | ABB indoor SF6 medium voltage circuit breaker series, sharing the same platform with HD4 series, applicable for SafeSix switchgear |
| 24 | Rated voltage level | 24kV (IEC standard, 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 |
| C | Estrutura & código de configuração | Configuração padrão, fixed type or withdrawable type (depends on switchgear type) |
- Parâmetros técnicos principais (2026 Official Manual Version)
| Parâmetro | Valor | Standard Basis | Observações |
| Tensão nominal (E) | 24kV | CEI 62271-100 | Max operating voltage: 27.5kV |
| Corrente nominal (E) | 630UM | CEI 62271-100 | Continuous operation at ambient temperature 40℃ |
| Rated Short-circuit Breaking Current (Isc) | 12.5o | CEI 62271-100 | 3-second short-circuit withstand |
| Corrente suportável nominal de curta duração (Icw) | 12.5kA/3s | CEI 62271-100 | Thermal stable current |
| Rated Peak Withstand Current (Ipk) | 31.5o | CEI 62271-100 | Dynamic stable current |
| Mecanismo Operacional | Spring energy storage | CEI 62271-100 | Manual / electric operation optional |
| Insulating Medium | SF6 gas | CEI 62271-100 | Rated pressure: 0.45MPa @20℃ |
| Grau de Proteção | IP4X | CEI 60529 | Cabinet installation condition |
| Resistência Mecânica | 10,000 operações | ABB technical specification | Standard operation cycle |
| Resistência Elétrica | 100 vezes | CEI 62271-100 | Rated short-circuit breaking times |
| Peso | Aprox.. 85kg | ABB technical specification | Excluding accessories |
| Número do pedido | 1VYN400551-XXX | Official ABB | Subject to actual configuration |
- Cross-brand Compatibility Comparison (MV SF6 Circuit Breaker)
| Modelo ABB | 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 |
| Substituição: 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 | Tensão nominal | Corrente nominal | Quebrando Capacidade | Cenários de aplicação |
| HPA12/616C | 12kV | 630UM | 16o | Distribuição de energia industrial, substation |
| HPA12/620C | 12kV | 630UM | 20o | Indústria pesada, grandes fábricas |
| HPA12/1225C | 12kV | 1250UM | 25o | Regional substation, power plant |
| HPA12/1631C | 12kV | 1600UM | 31.5o | Large industrial users, hub substation |
| HPA24/612C | 24kV | 630UM | 12.5o | 24kV power distribution system, small substation |
| HPA24/616C | 24kV | 630UM | 16o | 24kV power distribution system, medium-sized factories |
| HPA24/1220C | 24kV | 1250UM | 20o | 24kV regional substation |
| HPA24/1625C | 24kV | 1600UM | 25o | 24kV large industrial projects |
| HPA36/616C | 36kV | 630UM | 16o | 36kV power distribution system |
- Falhas Comuns & Diretrizes de Manutenção
| Fenômeno de falha | Possíveis causas | Etapas de solução de problemas | Sugestões de manutenção |
| Falha ao fechar | 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 a resistência da 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 |
- Ambiente de aplicação & Industry Cases
6.1 Cenários Aplicáveis
24kV industrial power distribution system (químico, metalurgia, mining industry)
Secondary substation of urban power grid
Commercial buildings and infrastructure (airport, hospital, centro de dados)
Renovation projects matching SafeSix switchgear
6.2 Cenários Inaplicáveis
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 aplicação típicos
Caso 1: 24kV Power Distribution Renovation for Chemical Plant
Aplicativo: Replace old oil-minimum circuit breakers to improve power supply reliability
Solução: 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
Aplicativo: Protection for traction transformer and feeder line
Solução: 4 sets HPA24/612C with withdrawable structure for quick replacement
Effect: Meet high reliability requirements of rail transit, MTTR<30 minutes
- Air Freight Compliance & Informações de certificação
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
Observação: Close SF6 inflation valve during transportation to prevent gas leakage
7.2 Documentos de Certificação
CE Certificate No.: 1YHA000091 (universal for HPA series)
IEC Standard Approval: CEI 62271-100:2017
China National Standard Approval: GB 1984-2014 High-voltage Alternating Current Circuit-breakers
Environmental Certification: SF6 gas recovery complies with IEC 62271-4
- Seleção de modelo & Sugestões de substituição
- Confirmação do 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.
- Soluções de substituição
Primeira escolha: VD4-24/630-16 (vacuum type, 30,000 operações mecânicas, 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.

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