친트 NXA32N25-MD3-AC230-3P 2500A

제품 유형: Chint NXA 시리즈 지능형 공기 회로 차단기 (ACB)

1. Model Code Definition

2. 핵심 기술 매개변수
3. 정격전류: $I_n=2500\ \mathrm{에이}$
4. 프레임 크기: 3200에이
5. 극수: 3피
6. 장착 유형: 결정된
7. 제어 전압: AC230V
8. 정격 절연 전압: Ui=1000V
9. 정격 작동 전압: AC400V / AC690V
10. Short-Circuit Breaking Capacity @400V:

Ultimate short-circuit breaking capacity $I_{cu}$: ≥85kA

Service short-circuit breaking capacity $I_{cs}$: ≥65kA

9. 기계 / 전기적 내구성: Industrial long-life design, suitable for main incoming feeders of power distribution rooms
10. Functions of MD3 Intelligent Controller

Four-stage protection: Long time delay, short time delay, instantaneous trip and earth fault protection

Monitoring of current, 전압, power and energy; fault memory function

Optional communication module (모드버스-RTU) and local LCD display

Protection against overload, 단락, 저전압, phase loss and phase unbalance

4. 응용 시나리오

Low-voltage main incoming switch for industrial workshops, 쇼핑몰, hospitals and substations

Main protection for generator and transformer outgoing circuits

Large-capacity power distribution and bus tie cabinet

5. Supplementary Selection Notes
6. Draw-out version with same specification: NXA32W25-MD3-AC230-3P
7. 4-pole version available by replacing suffix with 4P
8. Custom control power supply: DC220V / AC110V
9. Optional accessories: Electric operating mechanism, locking device, phase barrier, secondary terminal block

Chint NXA Air Circuit Breaker Model List, Cross-Brand Comparison & Accessory Catalogue

1. Complete Model Naming Rule

NXA□□□□-□□□-□□□-□P

2. 전체 모델 목록 (Classified by Frame Size)

2.1 1600프레임 (NXA16)

2.2 2000프레임 (NXA20)

2.3 3200프레임 (NXA32)

2.4 4000프레임 (NXA40)

3. Cross-Brand Equivalent Comparison (Mainstream ACB)

4. Intelligent Controller Function Comparison

5. Complete Accessory List (Classified by Function)

5.1 작업 & Control Accessories

5.2 Auxiliary & Alarm Accessories

5.3 연결 & Mounting Accessories

5.4 안전 & Interlock Accessories

5.5 의사소통 & Expansion Accessories

6. 선택 & Procurement Guidelines
7. Frame Selection: Select 1600/2000/3200/4000A frame according to system maximum current, reserve 10-20% 여유.
8. 장착 유형: 고정형 (N) for lower cost; draw-out type (여) for easy maintenance in critical applications.
9. Controller Selection: MD3 for general use; MD4/MF3 for important facilities; MF4 for intelligent systems.
10. Accessory Configuration:

필수적인: 1~2 sets of auxiliary contacts, under-voltage trip

선택 과목: Electric operation, 통신 모듈, interlock device

5. 인증: Comply with GB14048.2 and IEC60947-2, with CE and UL certification.