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ABB HPA24/612C is a 24kV indoor SF6 disjoncteur moyenne tension 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.
- Explication du code modèle
| Segment de code | Signification | Description |
| HPA | Code de série de produits | ABB indoor SF6 medium voltage circuit breaker series, sharing the same platform with HD4 series, applicable for SafeSix switchgear |
| 24 | Rated voltage level | 24kV (Norme CEI, 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 | Structure & configuration code | Configuration standard, fixed type or withdrawable type (depends on switchgear type) |
- Paramètres techniques de base (2026 Official Manual Version)
| Paramètre | Valeur | Base standard | Remarques |
| Tension nominale (Un) | 24kV | CEI 62271-100 | Max operating voltage: 27.5kV |
| Courant nominal (Ir) | 630UN | CEI 62271-100 | Continuous operation at ambient temperature 40℃ |
| Rated Short-circuit Breaking Current (Isc) | 12.5le | CEI 62271-100 | 3-second short-circuit withstand |
| Courant de tenue nominal de courte durée (Icw) | 12.5kA/3s | CEI 62271-100 | Thermal stable current |
| Rated Peak Withstand Current (Ipk) | 31.5le | CEI 62271-100 | Dynamic stable current |
| Mécanisme de fonctionnement | Spring energy storage | CEI 62271-100 | Manuel / electric operation optional |
| Insulating Medium | SF6 gas | CEI 62271-100 | Rated pressure: 0.45MPa @20℃ |
| Degré de protection | IP4X | CEI 60529 | Cabinet installation condition |
| Endurance mécanique | 10,000 opérations | ABB technical specification | Standard operation cycle |
| Endurance électrique | 100 fois | CEI 62271-100 | Rated short-circuit breaking times |
| Poids | Environ. 85kilos | ABB technical specification | Excluding accessories |
| Numéro de commande | 1VYN400551-XXX | Official ABB | Subject to actual configuration |
- Cross-brand Compatibility Comparison (MV SF6 Circuit Breaker)
| Modèle 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 |
| Remplacement: 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
| Modèle | Tension nominale | Courant nominal | Capacité de coupure | Scénarios d'application |
| HPA12/616C | 12kV | 630UN | 16le | Distribution d'énergie industrielle, substation |
| HPA12/620C | 12kV | 630UN | 20le | Industrie lourde, large factories |
| HPA12/1225C | 12kV | 1250UN | 25le | Regional substation, power plant |
| HPA12/1631C | 12kV | 1600UN | 31.5le | Large industrial users, hub substation |
| HPA24/612C | 24kV | 630UN | 12.5le | 24kV power distribution system, small substation |
| HPA24/616C | 24kV | 630UN | 16le | 24kV power distribution system, medium-sized factories |
| HPA24/1220C | 24kV | 1250UN | 20le | 24kV regional substation |
| HPA24/1625C | 24kV | 1600UN | 25le | 24kV large industrial projects |
| HPA36/616C | 36kV | 630UN | 16le | 36kV power distribution system |
- Défauts courants & Directives d'entretien
| Phénomène de défaut | Causes possibles | Étapes de dépannage | Suggestions d'entretien |
| 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. Mesurer la résistance de la bobine (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 |
- Environnement d'application & Cas industriels
6.1 Scénarios applicables
24kV industrial power distribution system (chimique, métallurgie, mining industry)
Secondary substation of urban power grid
Commercial buildings and infrastructure (airport, hôpital, centre de données)
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 Cas d'application typiques
Cas 1: 24kV Power Distribution Renovation for Chemical Plant
Application: Replace old oil-minimum circuit breakers to improve power supply reliability
Solution: 8 sets HPA24/612C matched with ABB REF542 protection relay
Effect: Fault outage duration reduced by 80%, maintenance cost cut by 50%
Cas 2: 24kV Traction Substation for Urban Rail Transit
Application: Protection for traction transformer and feeder line
Solution: 4 sets HPA24/612C with withdrawable structure for quick replacement
Effect: Meet high reliability requirements of rail transit, MTTR＜30 minutes
- Air Freight Compliance & Certification Information
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
Note: Close SF6 inflation valve during transportation to prevent gas leakage
7.2 Certification Documents
CE Certificate No.: 1YHA000091 (universal for HPA series)
IEC Standard Approval: CEI 62271-100:2017
China National Standard Approval: FR 1984-2014 High-voltage Alternating Current Circuit-breakers
Environmental Certification: SF6 gas recovery complies with IEC 62271-4
- Sélection du modèle & Replacement Suggestions
- Model Confirmation: HPA series is fully discontinued. It is recommended to contact ABB customer service 400-810-8888 and provide nameplate photos to confirm detailed configuration.
- Solutions de remplacement
First choice: VD4-24/630-16 (vacuum type, 30,000 mechanical operations, SF6-free eco-friendly design)
Alternative choice: HD4-24/630-16 (SF6 type, same platform as HPA, direct replacement without switchgear modification)
- Achat de pièces de rechange: Limited stock of HPA series spare parts. Pre-order via authorized ABB distributors in advance or plan overall equipment upgrading.
