접촉기,회로 차단기,태양광 인버터,전기 계량기,태양 전지
IPRU40‑40KA is a Type 2 pluggable AC surge protective device (SPD) from Schneider Electric’s Acti9 series.
Key specifications: maximum discharge current 40 kA, nominal discharge current 20 kA, maximum continuous operating voltage 350 V AC.
It uses metal oxide varistor (MOV) technology and is suitable for lightning and surge protection in power distribution networks with TT/TN‑S earthing systems.
- 모델 설명
| 암호 | 의미 | 설명 |
| IPRU | 시리즈 | Pluggable SPD of Schneider Acti9 series, supports hot‑swap module replacement for easy maintenance |
| 40 | Maximum discharge current (아이맥스) | 40 kA (8/20 μs waveform) |
| 40그만큼 | Nominal discharge current (~ 안에) | 20 kA (8/20 μs waveform) (메모: 40KA in model corresponds to In = 20 kA) |
| 350다섯 | Maximum continuous operating voltage (UC) | 350 V AC, suitable for 400 V three‑phase and 230 V single‑phase systems |
| 피 | 극 수 | 1P+N / 2피 / 3P+N / 4피 |
- 주요 기술 사양
| 목 | 값 | 메모 |
| Protection class | Type 2 | Complies with IEC 61643‑11:2011 & EN 61643‑11:2012 |
| Discharge current | In = 20 kA, Imax = 40 kA (8/20 μs) | Common mode (CM) & differential mode (DM) |
| Voltage protection level (위로) | ≤ 1.8 kV (DM), ≤ 1.4 kV (CM) | Low residual voltage |
| 응답 시간 | ≤ 25 ns | Nanosecond‑level response |
| 작동 전압 | Ue = 230/400 V AC, 50/60 Hz | Standard low‑voltage distribution |
| Max continuous voltage (UC) | 350 V AC (DM), 260 V AC (CM) | Stable under grid fluctuations |
| 진입 보호 | IP40 front, IP20 terminals | Industrial environment suitable |
| 작동 온도 | ‑25 °C to +60 °C | Wide temperature range |
| 설치 | 35 mm standard DIN rail | Compatible with Acti9 circuit breakers |
| 배선 | Max 35 mm², recommended 16 mm² solid / 25 mm² flexible | Good conductivity & heat dissipation |
| 치수 | Width varies with poles (2피:45 mm, 3P+N:72 mm, 4피:90 mm), H85 mm, D65 mm | 컴팩트한 디자인 |
| 무게 | 대략. 200–450 g (depends on poles) | 경량 |
| Earthing system | TT / TN‑S | Not suitable for TN‑C |
- 주요 장점 & 응용
- 장점
Pluggable design: Hot‑swap module without power interruption
유지관리 용이: Local status indicator (green = normal, red = fault)
높은 신뢰성: MOV technology, 긴 서비스 수명, strong anti‑aging
Safe design: Built‑in thermal disconnector to prevent fire risk
Strong compatibility: Fully compatible with Schneider Acti9 series
- 일반적인 응용 분야
| 필드 | 애플리케이션 | Protected Equipment |
| 산업 자동화 | Workshop power, PLC 캐비닛, VFDs | 자동화 장비, 센서 |
| 상업용 건물 | 부엌, 쇼핑몰, 호텔 | Lifts, 공조, security, 네트워크 |
| 하부 구조 | 데이터 센터, telecom, transport | Servers, 의사소통, 모니터링 |
| New energy | PV 인버터, wind converters | Power electronic devices |
| 주거용 | Distribution boards, smart homes | Household appliances |
- 공통 모델 & Pole Configurations
| 전체 모델 | 폴란드 | 주문 번호. | 애플리케이션 |
| IPRU40‑40KA 1P+N 350V | 1P+N | A9L040200 | Single‑phase 2‑wire |
| IPRU40‑40KA 2P 350V | 2피 | A9L040300 | Single‑phase 3‑wire |
| IPRU40‑40KA 3P+N 350V | 3P+N | A9L040600 | Three‑phase 4‑wire |
| IPRU40‑40KA 4P 350V | 4피 | A9L040400 | Three‑phase 4‑wire (full‑pole) |
- 선택 & 사용법 참고 사항
- 조정: Used as Type 2 protection, cooperate with Type 1 (예를 들어. IPR 120KA)
- 극 선택: 3P+N/4P for three‑phase; 2P/1P+N for single‑phase
- 설치: Incoming side of main / sub‑distribution board, after circuit breaker
- 백업 보호: Series 16–32A circuit breaker (breaking capacity ≥ 50 kA)
- 배선: Short and thick copper cable, length ≤ 50 cm
- 유지: Check indicator regularly; replace module when red (typical 5–8 years)
- Difference Between IPRU40 & IPRD40
| 특징 | IPRU40 | IPRD40 | 설명 |
| Module type | Basic pluggable | Pluggable with remote indication | IPRD40 supports remote signal |
| Status | Local LED | Local LED + remote contact | 1 C/O dry contact |
| 주문 번호. | A9L040xxx | A9L40xxx | Different prefix |
| 가격 | Lower | Higher | Due to remote function |
- Full List of Schneider Surge Protective Devices (Acti9 Series)
- Pluggable Type (iPRU / iPRD, Type 2, mainstream)
| 시리즈 | 모델 | 아이맥스 / ~ 안에 | UC | 폴란드 | 주문 번호. | 메모 |
| iPRU (기초적인) | IPRU10‑10KA | 10 kA / 5 kA | 350 V | 1P+N/2P/3P+N/4P | A9L010xxx | Local indication |
| IPRU20‑20KA | 20 kA / 10 kA | 350 V | 1P+N/2P/3P+N/4P | A9L020xxx | General Type 2 | |
| IPRU40‑40KA | 40 kA / 20 kA | 350 V | 1P+N/2P/3P+N/4P | A9L040xxx | 귀하의 모델 | |
| IPRU65‑65KA | 65 kA / 30 kA | 350 V | 1P+N/2P/3P+N/4P | A9L065xxx | 고전류 | |
| IPRU100‑100KA | 100 kA / 50 kA | 350 V | 3P+N/4P | A9L100xxx | High energy | |
| iPRD (Remote) | iPRD10/20/40/65 | Same as iPRU | 350 V | 1P+N/2P/3P+N/4P | A9L40xxx | With remote dry contact |
- 고정형 (iST / iPR, Type 2)
iST series: iST20, iST40, iST65 (Imax 20/40/65 kA), order no. A9L916xxx
iPR series: iPR20, iPR40, iPR65 (older fixed type, gradually replaced by iPRU)
- Type 1 / Combined Type 1+2
iPRF1‑12.5r: Type 1, Imax = 12.5 kA (10/350 μs), 3P+N/4P, A9L012xxx
iPRD1‑15r/20r/25r: Type 1+2, Imax = 15/20/25 kA, 3P+N/4P
- Special Series
iPRU‑DC: For PV DC systems (500 V / 1000 V DC)
iPTU: For low‑voltage signal lines
EA9L: Easy9 economical fixed type
- Cross‑Brand Replacements for IPRU40‑40KA
(Type 2, Imax = 40 kA, In = 20 kA, Uc ≈ 350 V)
- Siemens 5SD7 Series
5SD7462‑6CN: 2피, 40 kA/20 kA, 350 V, pluggable
5SD7464‑6CN: 4피, 40 kA/20 kA, 350 V, pluggable
5SD7466‑6CN: 3P+N, 40 kA/20 kA, 350 V, pluggable
- ABB OVR T2 Series
OVR T2 2L 40‑320 P U: 2피, 40 kA/20 kA, 320 V
OVR T2 4L 40‑320 P U: 4피, 40 kA/20 kA, 320 V
OVR T2 3N 40‑320 P U: 3P+N, 40 kA/20 kA, 320 V
- 중국 브랜드 (비용 효율적)
CHINT NU6‑II 40 kA/20 kA: 350 V, 1P+N/2P/3P+N/4P
DELIXI DZ47Y 40 kA/20 kA: 350 V, all poles
ZHONGLI ZL1‑40/2‑350: Type 2, 40 kA/20 kA, 350 V
III. Schneider Internal Replacements
Downsizing: IPRU20‑20KA (Imax = 20 kA), for low surge environments
Equal replacement: iPRD40‑40KA (with remote signal)
Upgrading: IPRU65‑65KA (Imax = 65 kA), higher surge protection
- 선택 & Replacement Rules
- Match core parameters: 아이맥스, ~ 안에, UC, Type 2, poles must be consistent
- Mounting compatible: 35 mm DIN rail, similar width
- Function difference: iPRD / 5SD7 / OVR have remote contacts; iPRU only local indication
- System suitable: All for TT/TN‑S, not for TN‑C
