Contactor,întrerupător de circuit,invertor solar,contor electric,baterii solare
ABB HPA24/612C is a 24kV indoor SF6 întrerupător de circuit de medie tensiune 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.
- Codul modelului Explicația
| Segment de cod | Sens | Descriere |
| HPA | Cod seria produsului | ABB indoor SF6 medium voltage circuit breaker series, sharing the same platform with HD4 series, applicable for SafeSix switchgear |
| 24 | Rated voltage level | 24kV (Standardul 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 |
| C | Structura & configuration code | Configurație standard, fixed type or withdrawable type (depends on switchgear type) |
- Parametrii tehnici de bază (2026 Official Manual Version)
| Parametru | Valoare | Standard Basis | Observații |
| Tensiune nominală (Un) | 24kV | IEC 62271-100 | Max operating voltage: 27.5kV |
| Curent nominal (Şi) | 630O | IEC 62271-100 | Continuous operation at ambient temperature 40℃ |
| Rated Short-circuit Breaking Current (Isc) | 12.5cel | IEC 62271-100 | 3-second short-circuit withstand |
| Curent nominal de rezistență de scurtă durată (Icw) | 12.5kA/3s | IEC 62271-100 | Thermal stable current |
| Rated Peak Withstand Current (Ipk) | 31.5cel | IEC 62271-100 | Dynamic stable current |
| Mecanism de operare | Spring energy storage | IEC 62271-100 | Manual / electric operation optional |
| Insulating Medium | SF6 gas | IEC 62271-100 | Rated pressure: 0.45MPa @20℃ |
| Grad de protectie | IP4X | IEC 60529 | Cabinet installation condition |
| Rezistenta mecanica | 10,000 operațiuni | ABB technical specification | Standard operation cycle |
| Rezistenta electrica | 100 ori | IEC 62271-100 | Rated short-circuit breaking times |
| Greutate | Aproximativ. 85kg | ABB technical specification | Excluding accessories |
| Număr de ordine | 1VYN400551-XXX | Official ABB | Subject to actual configuration |
- Cross-brand Compatibility Comparison (MV SF6 Circuit Breaker)
| Modelul 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 |
| Înlocuire: 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
| Model | Tensiune nominală | Curent nominal | Capacitate de rupere | Scenarii de aplicare |
| HPA12/616C | 12kV | 630O | 16cel | Distribuția de energie industrială, substation |
| HPA12/620C | 12kV | 630O | 20cel | Industrie grea, fabrici mari |
| HPA12/1225C | 12kV | 1250O | 25cel | Regional substation, power plant |
| HPA12/1631C | 12kV | 1600O | 31.5cel | Large industrial users, hub substation |
| HPA24/612C | 24kV | 630O | 12.5cel | 24kV power distribution system, small substation |
| HPA24/616C | 24kV | 630O | 16cel | 24kV power distribution system, medium-sized factories |
| HPA24/1220C | 24kV | 1250O | 20cel | 24kV regional substation |
| HPA24/1625C | 24kV | 1600O | 25cel | 24kV large industrial projects |
| HPA36/616C | 36kV | 630O | 16cel | 36kV power distribution system |
- Defecte comune & Maintenance Guidelines
| Fenomen de eroare | Cauze posibile | Pași de depanare | Sugestii de intretinere |
| Failure to close | 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. Măsurați rezistența bobinei (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. Uzura de contact | 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 |
- Mediul de aplicare & Cazuri industriale
6.1 Scenarii aplicabile
24kV industrial power distribution system (chimic, metalurgie, mining industry)
Secondary substation of urban power grid
Commercial buildings and infrastructure (airport, spital, centru de date)
Renovation projects matching SafeSix switchgear
6.2 Inapplicable Scenarios
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 Cazuri tipice de aplicare
Caz 1: 24kV Power Distribution Renovation for Chemical Plant
Aplicație: Replace old oil-minimum circuit breakers to improve power supply reliability
Soluţie: 8 sets HPA24/612C matched with ABB REF542 protection relay
Efect: Fault outage duration reduced by 80%, maintenance cost cut by 50%
Caz 2: 24kV Traction Substation for Urban Rail Transit
Aplicație: Protection for traction transformer and feeder line
Soluţie: 4 sets HPA24/612C with withdrawable structure for quick replacement
Efect: Meet high reliability requirements of rail transit, MTTR＜30 minutes
- Conformitatea transportului aerian & Certification Information
7.1 Conformitatea transportului aerian
Hazard Classification: Mărfuri nepericuloase (fara baterie cu litiu, no explosive materials)
IATA Shipping Category: General cargo
Standard de ambalare: 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 Documente de certificare
CE Certificate No.: 1YHA000091 (universal for HPA series)
IEC Standard Approval: IEC 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
- Selectarea modelului & Replacement Suggestions
- Confirmarea modelului: HPA series is fully discontinued. It is recommended to contact ABB customer service 400-810-8888 and provide nameplate photos to confirm detailed configuration.
- Soluții de înlocuire
First choice: VD4-24/630-16 (vacuum type, 30,000 operatii mecanice, 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.
