접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지
기술 사양 & Application Guide
This is a 2‑pole, C형, 25에이 소형 회로 차단기 (MCB) from Schneider Electric’s Acti9 series, with order code A9F18225 and rated breaking capacity 6kA.
It provides overload and short‑circuit protection for lighting, 소켓, and small motor circuits in AC distribution systems.
Features include 3‑stage current limiting, quick make mechanism, and protection degree IP40 (앞쪽) / IP20 (터미널).
It is compatible with iC65 series accessories for functional expansion.
- 모델 분석
| 암호 | 의미 | 설명 |
| SCHNEIDER | 상표 | 슈나이더 일렉트릭 (프랑스), global electrical equipment manufacturer |
| iC65N | 시리즈 | Acti9 iC65 MCB, N‑type breaking capacity (6그만큼) |
| 2피 | 극 수 | 2-폴, breaks phase and neutral simultaneously, for 230V/400V systems |
| 기음 | 트리핑 곡선 | C형, instantaneous tripping at 5~10×In (5In~10In) |
| 25에이 | 정격전류 | 25 amperes continuous at 30°C ambient |
| A9F18225 | Full order code | Official unique identifier |
- 핵심사양
| 목 | 사양 | 메모 |
| 기초적인 | ||
| 유형 | 소형 회로 차단기 (MCB) | IEC를 준수합니다 60898-1 / GB 10963.1 |
| 트리핑 유형 | 열 자기 | 초과 적재 (thermal) + 단락 (자기) 보호 |
| 차단 용량 | 6그만큼 | Max breaking current at rated voltage |
| 정격사용전압 | AC 230V/400V | For 2‑pole version |
| 정격 절연 전압 | 500다섯 | Max withstand voltage of insulation |
| 정격 전류 내전압 | 6kV | Surge voltage immunity |
| 정격주파수 | 50/60헤르츠 | Global grid compatible |
| Tripping characteristics | ||
| 과부하 보호 | 1.13~ 안에 (no trip in 1h), 1.45~ 안에 (trip within 1h) | Meets IEC requirements |
| 단락 보호 | Instantaneous at 5In~10In | C형, suitable for lighting, 저항 부하, 소형 모터 |
| 물리적 & environmental | ||
| 치수 (폭×높이×깊이) | 18mm×86mm×62mm | Standard modular, 2P = 2 모듈 (18mm/pole) |
| 보호등급 | IP40 (앞쪽), IP20 (터미널) | Solid object and moisture protection |
| 작동 온도 | -35°C ~ +70°C | Suitable for harsh industrial environments |
| 설치 | 35mm DIN 레일 | Standard panel mounting |
| 인증 | CCC, CE, RoHS 규제 | Meets Chinese and international safety & environmental standards |
- 특징
- Protection performance
3‑stage current limiting: Quickly limits peak current during short circuit, reduces thermal stress, protects equipment and cables.
선택적 보호: Coordinates with upstream breakers for selective tripping, limits fault area.
Fault indication: Red window shows tripped status for quick diagnosis.
- Structural advantages
Dual‑lock clip: Secures firmly on DIN rail, prevents vibration loosening.
Quick make mechanism: Improves closing speed, reduces arcing, extends life.
모듈형 디자인: Accepts auxiliary contacts, 알람 접점, 션트 여행, undervoltage trip, 등.
- 안전설계
절연 기능: Safe isolation distance in OFF position, meets electrical safety rules.
Anti‑misoperation: Handle design prevents accidental closing.
Flame‑retardant housing: V0 grade material improves cabinet safety.
- 설치 & 유지
설치 규칙
- 수직으로 장착 (±15°) for proper tripping.
- 배선: Copper 1.5~35mm², Aluminium 2.5~35mm², torque 1.2~4N·m (depends on cross‑section).
- 환경: Avoid damp, 무미 건조한, corrosive or high‑vibration locations.
- Spacing: Maintain clearance for heat dissipation; follow installation manual.
Maintenance Guide
| 목 | 간격 | Criterion | 해결책 |
| Visual inspection | 월간 간행물 | 손상 없음, no overheating, tight connections | 깨끗한, tighten loose terminals |
| Function test | 계간지 | Manual ON/OFF smooth, no sticking | Operate 3–5 times, check mechanism |
| Trip test | 매년 | 초과 적재 & short‑circuit protection functional | Test with dedicated equipment or simulate overload |
| Accessory check | 매년 | Auxiliary & alarm contacts working | Check contact condition, replace damaged parts |
문제 해결
- 빈번한 트립: Check overload → short circuit → high ambient temperature → aging.
- 닫을 수 없습니다: Check short circuit → handle position → trip reset → loose wiring.
- 과열: Check terminal torque → overload → ventilation.
- 치받이 & 대사
5.1 Same‑series Upgrades
iC65H-2P-C25A (A9F28225): H‑type, 10그만큼, for higher short‑circuit current.
iC65L-2P-C25A (A9F38225): L‑type, 15그만큼, for heavy industrial use.
iC65N-2P-C25A‑Vigi (A9V58225): With residual current protection (RCCB), prevents electric shock.
5.2 Functional Accessories
| Accessory | 일반 모델 | 기능 |
| 보조 접점 | A9A26924 | 1아니요+1NC, remote status indication |
| Shunt trip | A9X16224 | 원격 트리핑, 예를 들어, fire alarm |
| Undervoltage trip | A9X16624 | Auto‑trip on low voltage |
| Alarm contact | A9A27924 | Signal when breaker trips |
5.3 Cross‑series Alternatives
| 시리즈 | 대사 | 호환성 |
| 이지나인 | EA9AN 2P C25A | 동일한 치수, 6그만큼, 경제적 |
| Acti9 CVS | CVS100B 2P C25A | MCCB, 더 높은 차단 용량 (10그만큼), main circuit use |
| Merlin Gerin | C65N 2P C25A | Fully compatible with iC65 |
- 응용
- 상업용 건물: 부엌, 상점, hotels – lighting & socket circuits.
- 산업 자동화: Control panels, 소형 모터 (≤5.5kW), VFD input protection.
- 주거용: Home distribution – air conditioners, 주방용품.
- 공공시설: 학교, 병원, stadiums – electrical safety.
- 선택 & 구매 팁
- 부하 매칭: Type C for lighting, 소켓, 소형 모터 (≤5.5kW). Use Type B for pure resistive, Type D for large motors.
- 차단 용량: Choose N (6그만큼), 시간 (10그만큼), 엘 (15그만큼) based on system short‑circuit current.
- 폴란드: 2P for 230V single‑phase where phase + neutral must be disconnected.
- 부속품: Add aux, 분로, undervoltage for smart systems.
- Authenticity: Buy from authorized Schneider distributors.
- Quick Fault Guide
| 징후 | 가능한 원인 | 해결책 |
| 마감 후 즉시 여행 | 단락 / 초과 적재 | Locate short, reduce load or upsize breaker |
| Trips after running a while | 초과 적재 / 고온 | 부하 감소, 환기를 개선하다, check cable size |
| Handle cannot be pushed to ON | Not reset / wiring fault | Pull to OFF first, then ON; check circuit |
| Terminal overheating | Loose connection | Retorque after power off, check terminals |
| No operation | Thermal‑magnetic unit failed | Replace MCB, check coordination |
SCHNEIDER iC65N-2P-C25A
Cross‑Brand Replacement Guide
Core Summary: The iC65N-2P-C25A (A9F18225) can be directly replaced by equivalent MCBs from major international and domestic brands.
Key matching requirements:
2피, C형, 25에이, 6그만큼, 35mm DIN rail mounting.
- International Brand Direct Replacements
씨줄
| 대사 | 주문 코드 | Breaking | 호환성 |
| S202-C25 | 2CDS252001R0254 | 6그만큼 | Best match, same dimensions, direct swap |
| S202M-C25 | 2CDS262001R0254 | 10그만큼 | 더 높은 차단 용량 |
| S202L-C25 | 2CDS242701R0254 | 4.5그만큼 | Economy option |
지멘스
| 대사 | 시리즈 | Breaking | 호환성 |
| 5SL6225-7 | 5SL | 6그만큼 | 직접 교체, IEC 60898-1 |
| 5SY6225-7 | 5SY | 6그만큼 | Economy range |
| 5SN6225-7CN | 5SN | 6그만큼 | Classic, 믿을 수 있는 |
이튼
| 대사 | 시리즈 | Breaking | 호환성 |
| FAZ6-C25/2 | FAZ | 6그만큼 | 동일한 치수 & 설치 |
| PL9-C25/2 | PL9 | 6그만큼 | 고성능, fast limiting |
Moeller
| 대사 | 시리즈 | Breaking | 호환성 |
| FAZ6-C25/2 | FAZ | 6그만큼 | 동일한 치수 & 설치 |
| PL9-C25/2 | PL9 | 6그만큼 | 고성능, fast limiting |
- 중국 국내 브랜드
| 상표 | 대사 | Breaking | 호환성 |
| 친트 | NXB-63-2P C25 | 6그만큼 | 비용 효율적, 직접 맞음 |
| 딜릭시 | CDM3-63C25/2P | 6그만큼 | 동일한 치수 |
| Liangxin | NDM1-63C25/2P | 6그만큼 | High quality domestic |
| 오른쪽 | TGM1-63C25/2P | 6그만큼 | Basic protection, 경제적 |
- Critical Parameter Matching
| 목 | 원래의 (iC65N-2P-C25A) | 일치해야 함 | 조절할 수 있는 | 메모 |
| 폴란드 | 2피 | 2피 | – | Disconnect phase + 중립적 |
| Curve | C형 (5~10인치) | C형 | – | For lighting & 소형 모터 |
| 현재의 | 25에이 | 25에이 | – | Continuous rating |
| Breaking | 6그만큼 | ≥6kA | Can be higher (10그만큼) | Ensure safe short‑circuit interruption |
| 설치 | 35mm DIN 레일 | 35mm DIN 레일 | – | Standard panel mount |
| 너비 | 18mm | 18mm | H/D may vary | Fits standard spacing |
| 전압 | AC 230V/400V | AC 230V/400V | – | Universal AC system |
- 교체 노트 & Best Practice
Before Replacement
System short‑circuit current ≤ breaking capacity of replacement.
35mm DIN 레일, space, terminal size compatible.
Protection coordination with upstream/downstream devices.
Accessory mounting interface compatible.
Replacement has valid certifications (CCC, CE).
절차
- Power off and verify voltage absence.
- Remove wiring and old breaker.
- Clip replacement onto DIN rail.
- Torque terminals correctly.
- Test ON/OFF and tripping.
- Update labeling and drawings.
When NOT to replace
Original uses dedicated Schneider accessories (예를 들어, Vigi modules).
System short‑circuit current exceeds replacement rating.
Load inrush >10~ 안에 (unsuitable for Type C).
Extreme environment outside replacement specs.
- Recommended Replacement Levels
| 수준 | 추천 모델 | 애플리케이션 | 이점 |
| 1st | ABB S202-C25 | 산업, 상업 | Full performance, global support |
| Siemens 5SL6225-7 | |||
| 2nd | Eaton FAZ6-C25/2 | Control panels | Good value, easy install |
| Moeller DIL M9-25 C/2 | |||
| 3rd | CHINT NXB-63-2P C25 | 주거용, economy | Low cost, fast local supply |
| DELIXI CDM3-63C25/2P |
- Common Issues & 솔루션
| Issue | 원인 | 해결책 |
| Frequent tripping after replacement | Wrong curve / 초과 적재 | Confirm Type C, check load, upsize if needed |
| Will not fit | Wrong rail / 너비 | Use 35mm DIN rail, 18mm width model |
| Wiring difficult | Incompatible terminals | Use suitable lugs or select compatible model |
| 차단 용량이 부족함 | 대사 < system short鈥慶ircuit current | Use higher version (예를 들어, ABB S202M-C25, 10그만큼) |
Cross‑brand replacement for SCHNEIDER iC65N-2P-C25A depends on parameter matching + mechanical compatibility + protection coordination.
Top international brands (씨줄, 지멘스) give identical performance.
Domestic brands (친트, 딜릭시) offer cost savings.
Always verify specifications and follow electrical safety standards.
