접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지
Model Designation Interpretation (Speculative, Based on 3VT8 Series Naming Rules)
모델 “3VT8-63H102” provided by the user is a simplified version; the complete model usually contains more detailed information. The speculative meaning of each part is as follows:
| 모델 세그먼트 | Speculative Meaning | 설명 |
| 3VT8 | Siemens SENTRON 3VT8 Series 성형 케이스 회로 차단기 | 단종, replaced by 3VA/3VM/3VC series |
| 63 | 정격전류 (~ 안에): 63에이 | Maximum current for long-term operation at 40掳C ambient temperature |
| 시간 | 차단 용량 등급: 클래스 H (50그만큼) | Breaking capacity classes of 3VT8 series: 클래스 N (25그만큼), 클래스 H (50그만큼), Class L (65그만큼) |
| 102 | Speculated as a combination of frame current + pole number/trip unit type | 100프레임 (VT100), 2-극 구성, Thermal-Magnetic Trip unit (TMF) |
Most Probable Corresponding Complete Models: 3VT8106-1AA03-0AA0 (3-폴, 63에이, Class H breaking capacity, TMF trip unit) or 3VT8106-1AA04-0AA0 (4-폴)
- 핵심 사양 매개변수 (Based on 3VT8 100H 63A TMF)
| 매개변수 항목 | 사양 값 | 설명 |
| 제품 유형 | 성형 케이스 회로 차단기 (MCCB) | Used for overload and short-circuit protection in power distribution systems |
| 프레임 전류 (아이유) | 100에이 | VT100 frame, compatible with a maximum rated current trip unit of 63A |
| 정격전류 (~ 안에) | 63에이 | Rated operating current at 40掳C ambient temperature |
| 최고의 차단 용량 (중환자실) | 50그만큼 (415/440뷔와) | Class H breaking capacity, meeting the requirements of industrial power distribution systems |
| 트립 유닛 유형 | Thermal-Magnetic Trip unit (TMF) | 과부하 보호 (열 요소): 역시간 특성; 단락 보호 (magnetic element): instantaneous tripping |
| 극수 | 3-pole or 4-pole | 3-pole is commonly used in power distribution systems; 4-pole is adopted when neutral wire protection is required |
| 정격 작동 전압 (우에) | 400/415뷔와 | Suitable for three-phase industrial power distribution systems |
| 정격 절연 전압 (우이) | 690뷔와 | IEC를 준수 60947-2 기준 |
| 작동 온도 | -25C ~ +70C | Derating is required when the temperature exceeds 40C |
| 배선 방법 | Front Panel Wiring | Rear panel wiring or plug-in connection is optional |
| 조작방법 | Rotary Handle | Electric operating mechanism is optional for remote control |
III. 제품 특징 및 장점
- 높은 신뢰성: A member of Siemens SENTRON series, compliant with the international IEC 60947-2 기준.
- 높은 차단 용량: Class H 50kA breaking capacity, effectively interrupting short-circuit faults and protecting equipment safety.
- Flexible Configuration: Compatible with a variety of accessories (보조 접점, 알람 접점, 션트 릴리스, 저전압 릴리스, 등.).
- 안전설계: Lockable rotary operating mechanism to prevent misoperation; Terminal cover protection for enhanced safety.
- 컴팩트한 사이즈: Saving switchgear space, facilitating installation and maintenance.
- 일반적인 애플리케이션 시나리오
- 산업용 배전 시스템: Used as incoming/outgoing circuit breakers in distribution boxes to protect cables and lines.
- 모터 보호: Serves as protection equipment for direct starting of three-phase squirrel-cage motors, 과부하 및 단락 보호 제공.
- Transformer/Capacitor Protection: Protecting distribution transformers and compensation capacitors to prevent fault expansion.
- Main Switch/Emergency Stop Switch: Combined with a lockable operating mechanism, used as the main switch and emergency stop control for equipment or systems.
- 빌딩 자동화: Applied in power distribution protection for lighting, air conditioning and other systems in commercial buildings and industrial plants.
- Important Notes and Alternative Solutions
- 제품상태
The 3VT8 series was officially discontinued in January 2024 and fully replaced by Siemens’ new-generation 3VA/3VM/3VC series molded case circuit breakers. The 3VT8 series is no longer in production, with only limited spare parts support available.
- 권장 대체 모델 (Based on 63A, Class H Breaking Capacity, 3-폴, TMF Trip Unit)
| Alternative Series | 추천 모델 | 장점 |
| 3VA1 Series | 3VA1063-3ED36-0AA0 | 더 높은 차단 용량 (25kA→36kA), more advanced tripping technology, richer accessory options |
| 3VM Series | 3VM1063-1EA00-0AA0 | 비용 효율적, suitable for basic power distribution applications, 설치가 쉽다 |
| 3VC Series | 3VC1063-1AA00-0AA0 | Thermal-magnetic and electronic trip units optional, high intelligence level, supporting communication functions |
- 사용상의 주의사항
- Derating Operation: 주변 온도가 40°C를 초과하는 경우, the rated current must be derated according to the temperature coefficient.
- Accessory Matching: Pay attention to matching the accessory with the circuit breaker model and pole number when selection, such as the voltage level of the shunt release.
- 설치사양: Ensure installation in a switchgear that meets requirements, with proper ventilation and heat dissipation maintained.
- 정기점검: Periodically inspect the circuit breaker appearance, operating mechanism and trip unit performance to ensure reliable operation.
- 교체 제안: 새로운 프로젝트의 경우, it is recommended to directly select 3VA/3VM/3VC series alternative products to achieve better performance and a longer service life.
