슈나이더 일렉트릭 NSX250N‑3P‑160A

This is a Schneider Electric ComPacT NSX series 성형 케이스 차단기 (MCCB) for power distribution protection.

New standard order number: C25N3TM160

Obsolete old order number: LV431832

Compliant with IEC 60947‑2 and GB/T 14048.2 표준.

Basic Rated Core Parameters

목	값
유형	Low‑voltage MCCB for power distribution protection
Frame rating	250에이
폴란드	3피 (3 극, all protected)
정격 전류 입력	160에이 (continuous at 40℃)
정격 사용 전압 Ue	690V AC 50/60Hz, suitable for 380V/400V/415V systems
정격절연전압 Ui	800뷔와
정격 전류 내전압 Uimp	8kV
빈도	50/60헤르츠
활용 카테고리	A형 (no short‑time delay, general distribution)
절연 기능	Certified isolating function per IEC 60947‑2

Short‑Circuit Breaking Capacity

시스템 전압	Rated ultimate shortircuit breaking capacity Icu	Rated service shortircuit breaking capacity Ics
415뷔와	50그만큼	50그만큼 (100% 중환자실, reusable after breaking)
500뷔와	36그만큼	36그만큼
690뷔와	10그만큼	10그만큼

Rated short‑time withstand current Icw (1에스): 12kA at 415V AC

TMD Thermal‑Magnetic Release Characteristics

Standard TMD thermal‑magnetic release, LI protection (long‑time overload + instantaneous short‑circuit).

Long‑time overload thermal protection

Ir setting range: 0.7–1×In (112A–160A)

특성: 120–400s at 1.5×Ir; ≤15s at 6×Ir (standard inverse time)

Short‑circuit instantaneous magnetic protection

Instantaneous current Ii: fixed at 1250A

운영 시간: 20ms 이하

기계 & 설치 매개변수

목	값
치수 (폭×높이×깊이)	105mm × 161mm × 86mm
Standard mounting centers	Vertical 125mm × Horizontal 35mm
설치	결정된, front connected; horizontal/vertical, 경감 없음
배선 용량	Up to 70mm² copper cable / 부스바
기계적 내구성	20,000 운영
전기적 내구성	10,000 operations at 440V AC, ~ 안에
진입 보호	IP40 (몸), IP54 (panel‑mounted)
Impact resistance	IK07
순중량	대략. 2.4kg

환경 & Compliance Parameters

주변 온도: -25℃ ~ +70℃; no derating below 40℃

고도: 0–2000m without derating

오염도: 3

Overvoltage category: II

인증: CCC, CE, EAC, 선박, 등.

Accessory slots: 5 standard slots for auxiliary, 경보, 분로, 저전압 릴리스, 등.

확장 & 호환성

Can be fitted with Vigi earth‑leakage modules

Compatible with motor operators for remote control

Can add interlock, position indicator, padlock devices

Top/bottom feed both allowed without performance derating

대사 & 선택 참고 사항

Old type LV431832 is discontinued; use C25N3TM160 instead.
For electronic release (adjustable short delay / 지락), upgrade to NSX250N with MicroLogic (2.2/5.0).
Breaking ratings: 시간 (70그만큼), 에스 (100그만큼), based on short‑circuit calculation.
경쟁사: ABB Tmax T2, Siemens 3VT250, suitable for cross‑brand replacement.

NSX250N‑3P‑160A Direct Replacement Solutions

Core Matching Rules (100% match required)

Frame rating: 250에이 (do NOT downgrade to 160A frame)

폴란드: 3피

정격전류: 160에이

차단 용량: ≥50kA at 415V AC

출시 유형: 열 자기 (LI characteristic)

설치: 고정 전면 연결, matching panel holes

Recommended Replacements

대본 1: Import Brand Direct Replacement

ABB Tmax XT3N250 TMD160/1600 FF 3P

주문번호: 1SDA068266R1

성냥: 100%

프레임 250A, 3피, 160에이, TMG thermal‑magnetic

Icu=50kA, Ics=50kA at 415V AC

Identical dimensions and mounting holes

Full accessory compatibility

애플리케이션: foreign‑funded plants, export equipment, on‑site repair

Siemens 3VC250N TMA160 3P

주문번호: 3VC2316‑2DA33‑0AA0

성냥: 98%

프레임 250A, 3피, 160에이, TMA thermal‑magnetic

50kA at 415V AC

Highly compatible dimensions

애플리케이션: Siemens low‑voltage systems

대본 2: Domestic High‑Cost‑Performance Replacement

Changshu Switch CM3‑250H/3300 160A

성냥: 99%

프레임 250A, 3피, 160에이, distribution type thermal‑magnetic

Icu=50kA at 415V AC

Compliant with IEC 60947‑2 / GB 14048.2

애플리케이션: 산업의, 건물 유통, domestic projects

Chint NM8‑250N/3P 160A

성냥: 95%

프레임 250A, 3피, 160에이, 열 자기

50kA at 415V AC

애플리케이션: civil construction, general distribution

치수 & Parameters Comparison

모델	치수 (폭×높이×깊이)	Mounting Centers	중환자실 (415다섯)	Release	액자
NSX250N‑3P‑160A	105×161×86mm	125mm×35mm	50그만큼	TMD	250에이
ABB XT3N250 3P 160A	105×161×86mm	125mm×35mm	50그만큼	TMG	250에이
Siemens 3VC250N 3P 160A	105×160×85mm	125mm×35mm	50그만큼	TMA	250에이
CM3‑250H 3P 160A	108×162×86mm	125mm×35mm	50그만큼	열 자기	250에이