
ABB HPA24/612C is a 24kV indoor SF6 중간 전압 회로 차단기 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.
- 모델 코드 설명
| 코드 세그먼트 | 의미 | 설명 |
| HPA | 제품 시리즈 코드 | 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 표준, 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 |
| 기음 | 구조 & configuration code | 표준 구성, fixed type or withdrawable type (depends on switchgear type) |
- 핵심 기술 매개변수 (2026 Official Manual Version)
| 매개변수 | 값 | Standard Basis | 비고 |
| 정격전압 (그리고) | 24kV | IEC 62271-100 | Max operating voltage: 27.5kV |
| 정격전류 (그리고) | 630에이 | IEC 62271-100 | Continuous operation at ambient temperature 40℃ |
| Rated Short-circuit Breaking Current (Isc) | 12.5그만큼 | IEC 62271-100 | 3-second short-circuit withstand |
| 정격 단시간 전류 (Icw) | 12.5kA/3초 | IEC 62271-100 | Thermal stable current |
| Rated Peak Withstand Current (Ipk) | 31.5그만큼 | IEC 62271-100 | Dynamic stable current |
| 작동 메커니즘 | Spring energy storage | IEC 62271-100 | 수동 / electric operation optional |
| Insulating Medium | SF6 gas | IEC 62271-100 | Rated pressure: 0.45MPa @20℃ |
| 보호 등급 | IP4X | IEC 60529 | Cabinet installation condition |
| 기계적 내구성 | 10,000 운영 | ABB technical specification | Standard operation cycle |
| 전기적 내구성 | 100 타임스 | IEC 62271-100 | Rated short-circuit breaking times |
| 무게 | 대략. 85kg | ABB technical specification | Excluding accessories |
| 주문 번호 | 1VYN400551-XXX | Official ABB | Subject to actual configuration |
- Cross-brand Compatibility Comparison (MV SF6 Circuit Breaker)
| ABB 모델 | 슈나이더 | 지멘스 | 이튼 | 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 |
| 대사: 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
| 모델 | 정격전압 | 정격전류 | 차단 용량 | 응용 시나리오 |
| HPA12/616C | 12kV | 630에이 | 16그만큼 | 산업용 배전, substation |
| HPA12/620C | 12kV | 630에이 | 20그만큼 | 중공업, large factories |
| HPA12/1225C | 12kV | 1250에이 | 25그만큼 | Regional substation, power plant |
| HPA12/1631C | 12kV | 1600에이 | 31.5그만큼 | Large industrial users, hub substation |
| HPA24/612C | 24kV | 630에이 | 12.5그만큼 | 24kV power distribution system, small substation |
| HPA24/616C | 24kV | 630에이 | 16그만큼 | 24kV power distribution system, medium-sized factories |
| HPA24/1220C | 24kV | 1250에이 | 20그만큼 | 24kV regional substation |
| HPA24/1625C | 24kV | 1600에이 | 25그만큼 | 24kV large industrial projects |
| HPA36/616C | 36kV | 630에이 | 16그만큼 | 36kV power distribution system |
- 일반적인 결함 & 유지 관리 지침
| 결함 현상 | 가능한 원인 | 문제 해결 단계 | 유지 관리 제안 |
| 폐쇄 실패 | 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. 코일 저항 측정 (정상: 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 |
- 응용 환경 & 산업 사례
6.1 적용 가능한 시나리오
24kV industrial power distribution system (화학적인, 야금, mining industry)
Secondary substation of urban power grid
Commercial buildings and infrastructure (airport, 병원, 데이터 센터)
Renovation projects matching SafeSix switchgear
6.2 적용할 수 없는 시나리오
Altitude above 2000m (derating required, 경감 요인: 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 일반적인 적용 사례
사례 1: 24kV Power Distribution Renovation for Chemical Plant
애플리케이션: Replace old oil-minimum circuit breakers to improve power supply reliability
해결책: 8 sets HPA24/612C matched with ABB REF542 protection relay
Effect: Fault outage duration reduced by 80%, maintenance cost cut by 50%
사례 2: 24kV Traction Substation for Urban Rail Transit
애플리케이션: Protection for traction transformer and feeder line
해결책: 4 sets HPA24/612C with withdrawable structure for quick replacement
Effect: Meet high reliability requirements of rail transit, MTTR<30 minutes
- 항공 화물 규정 준수 & 인증정보
7.1 항공 화물 규정 준수
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
메모: 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: 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
- 모델 선택 & 교체 제안
- 모델 확인: HPA series is fully discontinued. It is recommended to contact ABB customer service 400-810-8888 and provide nameplate photos to confirm detailed configuration.
- 교체 솔루션
첫 번째 선택: VD4-24/630-16 (vacuum type, 30,000 기계적 작업, 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.

접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지


