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Schneider NW32H1-4P-3200A Air Circuit Breaker (ACB)
The Schneider NW32H1-4P-3200A is an disyuntor de aire (ACB) from the MasterPact NW series, designed for main incoming and bus-section protection in low-voltage power distribution systems (≤690V). Featuring high breaking capacity and flexible protection configurations, it serves as a core protective component for power distribution in industrial and large commercial buildings.
- Explicación del modelo
| Part of Model | Descripción |
| NW | Serie de productos: MasterPact NW series air circuit breaker |
| 32 | Corriente nominal del marco: 3200A (configurable up to 3200A) |
| H1 | Clase de capacidad de ruptura: 65kA@440VAC (uci), 65kA@690VAC (Icw 1s) |
| 4PAG | Número de polos: 4 polos (3 fases + neutral) |
| 3200A | Operational rated current: 3200A (requires matching trip unit) |
- Parámetros técnicos básicos
| Categoría | Especificación | Notas |
| Parámetros básicos | ||
| Tipo de producto | Disyuntor de aire (ACB) | MasterPact NW series, withdrawable / fixed type available |
| Tensión nominal (ue) | 690V CA 50/60 Hz | máx.. operational voltage Ui = 1000V |
| Tensión nominal de aislamiento (interfaz de usuario) | 1000V y | Cumple con IEC 60947-2 |
| Tensión nominal de resistencia al impulso (árbitro) | 12kV | Ensures insulation safety |
| Frame Rated Current (Iu) | 3200A | Configurable rated current In ≤ 3200A |
| Capacidad de ruptura (uci) | 65kA@440VAC | Class H1, 3-second withstand current Icw = 65kA@690VAC |
| 50kA@690VAC | ||
| polacos | 4PAG (3L+N) | Neutral position selectable (left / right) |
| Mecánico & Instalación | ||
| Montaje | Withdrawable (estándar) / Fijado | Withdrawable for easy maintenance |
| Operation | Manual / motor stored energy + manual / motor operation | Motor operation mechanism optional |
| Dimensiones | Aprox.. 465×550×420mm | Slightly varies by mounting type |
| Peso | Aprox.. 85kilos | Fixed type slightly lighter |
| Funciones de protección | ||
| Standard Protection | Long-time overload (l), short-time short-circuit (S), instantaneous short-circuit (I) | Requires Micrologic / ET series trip units |
| Optional Protection | Protección de falla a tierra (GRAMO), residual current protection (RCD) | Supported by advanced trip units |
| Función de aislamiento | Complies with EN / CEI 60947-2 | Can be used as isolating device |
| Trip Compatibility | ||
| Supported Trip Units | micrológico 2.0 / 5.0 / 6.0 serie | Different function levels available |
| ET2E / ET6E series | ||
| Comunicación | Modbus, Profibus, Ethernet optional | Network connectivity via advanced trips |
- Características del producto & Ventajas
- High-Reliability Design
Modular structure: Easy maintenance and expansion, component replacement without full disassembly
Vacuum interrupter: Strong arc quenching, larga vida útil, suitable for frequent operation
Vida mecánica: Arriba a 10,000 operations at rated current; electrical life 5,000 operaciones
Adaptabilidad ambiental: Operating temperature -5℃~+40℃, humedad ≤95% (non-condensing)
- Comprehensive Protection
Three-stage protection: Long-time overload (inverse), short-time short-circuit (definite), instantaneous short-circuit for precise fault matching
Selective protection: Coordination between upstream and downstream breakers via trip settings to minimize outages
memoria de fallos: Advanced trips record fault type, actual, time for diagnostics
Power monitoring: Selected trips (p.ej. micrológico 6.0) support voltage, actual, power and energy metering
- Seguridad & Convenience
Safety interlocks: Mechanical and electrical interlocks to prevent misoperation
Withdrawable design: Maintenance without main power interruption, improving system availability
Status indication: Clear ON/OFF/energy storage indicators for on-site observation
Mando a distancia: Motor operation mechanism enables remote ON/OFF for automation systems
- Instalación & Wiring Guidelines
- Mounting Types
Withdrawable mounting:
Suitable for critical facilities requiring frequent maintenance (centros de datos, hospitales)
Installation depth approx. 420mm with sufficient pull-out space
Cumple con IEC 60947-2, anti-mismatch function
Fixed mounting:
For limited space or low-maintenance applications
More compact layout, lower cost
Requires main power disconnection for service
- Requisitos de cableado
Main terminals: Accept cables or busbars; busbars recommended for low contact resistance
circuito de control: Separate supply (AC/DC 220V or 110V) for trip and operating mechanism
Neutral position: Left or right selectable, to be specified when ordering
Terminal torque: Tighten per Schneider official manual to avoid overheating
- Aplicaciones & Selection Advice
- Aplicaciones típicas
Industria: Main incoming, large motor control centers (MCC), VFD front-end protection
Commercial buildings: Main distribution for high-rises, centros comerciales, hoteles
Infraestructura: Power distribution for data centers, hospitales, airports, metros
New energy: Combiner protection in PV power stations and energy storage systems
- Puntos de selección
| Selection Aspect | Notas |
| Capacidad de ruptura | Select per system short-circuit calculation; Class H1 (65kA@440V) suits most industrial sites |
| Trip Selection | Protección básica: micrológico 2.0; power monitoring: micrológico 6.0; comunicación: network-enabled models |
| Montaje | Withdrawable for critical loads, fixed for general loads, balancing cost and maintenance |
| Operation | Motor operation for remote control; manual for local operation |
| Funciones auxiliares | Shunt trip for fire linkage; undervoltage trip for undervoltage protection |
- Referencia de precio & Alternativas
- Gama de precios (April 2026, CNY)
| Configuración | Gama de precios (CNY) | Notas |
| Basic frame (without trip) | 8,000–12,000 | Fijado: 8,000–10,000 |
| Withdrawable: 10,000–12,000 | ||
| With Micrologic 2.0 | 12,000–16,000 | Basic three-stage protection, no communication |
| With Micrologic 5.0 | 16,000–22,000 | Protección de falla a tierra, Modbus supported |
| With Micrologic 6.0 | 22,000–30,000 | Protección total, medición de energía, Ethernet |
| With motor operation | +3,000–5,000 | Enables remote control |
- Reemplazo & Upgrade Models
Reemplazo directo: MasterPact MT series (MT32H1-4P-3200A), fully compatible and advanced
Mejora: Newer MasterPact NW models (p.ej. NW32H2, 85kA@440V) for higher short-circuit systems
Economical alternative: Schneider EZD series MCCBs (EZD400E43200) for lower breaking requirements
The Schneider NW32H1-4P-3200A ACB, with its 65kA high breaking capacity, flexible protection settings and reliable performance, is an ideal solution for 3200A-class low-voltage distribution systems. Proper selection of trip unit and mounting type fulfills protection needs across various scenarios, ensuring safe and stable power system operation.
Schneider Air Circuit Breaker Model List & Cross-Brand Comparison (April 2026)
At a Glance
Schneider core series: MasterPact MT/MTZ (flagship), MVS (general), NW (compact)
Current range: 630A~6300A, covering low-voltage distribution to industrial main incomers
Cross-brand compatibility: Functionally interchangeable with ABB Emax, Siemens 3VA/3WT, CHINT NA1, Delixi CDW series
- Complete Schneider ACB Model List
- Flagship Series: MasterPact MT/MTZ (630A~6300A) 2026.4
| Modelo | Marco actual | Breaking Class | polacos | Montaje | Configuración típica | Precio (CNY) |
| MT06N1 MIC2.0 | 630A | N1 (42kA@440V) | 3P/4P | Fixed/Withdrawable | Basic three-stage protection | 8,000~12,000 |
| MT08H1 MIC5.0 | 800A | H1 (65kA@440V) | 3P/4P | Withdrawable | Earth fault + Modbus | 15,000~22,000 |
| MT10N2 MIC6.0 | 1000A | N2 (50kA@690V) | 3P/4P | Fixed/Withdrawable | Energy metering + Ethernet | 20,000~28,000 |
| MT16H1B MIC6.0 | 1600A | H1b (80kA@440V) | 3P/4P | Withdrawable | Protección total + comunicación | 30,000~42,000 |
| MT25H2 MIC6.0 | 2500A | H2 (100kA@440V) | 3P/4P | Withdrawable | High breaking + smart monitoring | 55,000~78,000 |
| MT32H2 MIC6.0 | 3200A | H2 (100kA@440V) | 3P/4P | Withdrawable | Main incoming dedicated | 70,000~95,000 |
| MT40H2 MIC6.0 | 4000A | H2 (85kA@690V) | 3P/4P | Withdrawable | Heavy industrial distribution | 90,000~120,000 |
| MT63H2 MIC6.0 | 6300A | H2 (70kA@690V) | 3P/4P | Withdrawable | Data centers / power plants | 150,000~220,000 |
| MTZ2 32H MIC6.0 | 3200A | H2 (100kA@440V) | 3P/4P | Withdrawable | Digital upgraded version | 85,000~110,000 |
- General Series: MVS (800A~2500A)
| Modelo | Corriente nominal | Capacidad de ruptura | polacos | Características | Precio (CNY) |
| MVS08N MIC5.0 | 800A | N1 (42el) | 3P/4P | Economical general-purpose | 12,000~18,000 |
| MVS12H MIC5.0 | 1250A | H1 (65el) | 3P/4P | Standard industrial | 18,000~25,000 |
| MVS16H MIC5.0 | 1600A | H1 (65el) | 3P/4P | Alto costo-rendimiento | 22,000~30,000 |
| MVS25H MIC6.0 | 2500A | H1 (65el) | 3P/4P | Intelligent type | 35,000~48,000 |
- Compact Series: MasterPact NW (630~1600A)
| Modelo | Corriente nominal | Breaking Class | polacos | Size Advantage | Precio (CNY) |
| NW08N1 3P | 800A | N1 (42el) | 3P/4P | 30% smaller than MT | 10,000~15,000 |
| NW10H1 4P | 1000A | H1 (65el) | 4PAG | Diseño compacto | 13,000~18,000 |
| NW16H1 3P | 1600A | H1 (65el) | 3P/4P | Space-constrained panels | 18,000~25,000 |
- Clases de capacidad de ruptura
| Clase | Máxima capacidad de rotura (uci) | Solicitud |
| N1 | 42kA@440V | Standard commercial buildings |
| N2 | 50kA@690V | General industrial distribution |
| H1 | 65kA@440V | Standard industrial |
| H1b | 80kA@440V | High short-circuit environments |
| H2 | 100kA@440V / 85kA@690V | Data centers, power plants |
- Trip Unit Types & Funciones
| Trip Model | Protección | Comunicación | Solicitud |
| MIC2.0 | L/S/I | Ninguno | Protección básica |
| MIC5.0 | L/S/I + GRAMO | Modbus-RTU | Standard industry |
| MIC6.0 | L/S/I/G + medida + logging | Modbus/TCP/Ethernet | Distribución inteligente |
| ET2E/ET6E | Advanced settings + monitoreo remoto | Multiple buses | Automation systems |
- Cross-Brand Equivalent Comparison
- Marcas Internacionales
| Schneider | ABB Emax | Siemens 3VA/3WT | Functional Equivalence | Price Ratio |
| MT08H1 MIC5.0 | E1B1250 R630 PR122/P-LSI | 3VA2 800 H LSI | Totalmente compatible | ABB≈1.2x, Siemens≈1.3x |
| MT16H1 MIC6.0 | E2B1600 R800 PR123/P-LSI | 3WT2 1600 H LSI | Same mounting dimensions | ABB≈1.25x, Siemens≈1.35x |
| MT32H2 MIC6.0 | E3H3200 R1600 PR123/P-LSI | 3WT3 3200 H LSI | Main incoming replacement | ABB≈1.3x, Siemens≈1.4x |
| NW10H1 4P | E1D1000 R500 PR112/P-LSI | 3VA2 1000 H LSI | Compact replacement | ABB≈1.15x, Siemens≈1.25x |
- Chinese Domestic Brands (Cost-Effective Alternatives)
| Schneider | CHINT NA1 | Delixi CDW6 | People Electric DW1 | Price Ratio |
| MT08N1 MIC2.0 | NA1-1000X/3P | CDW6-1000/3P | DW1-1000/3P | Domestic ≈ 60% of Schneider |
| MT16H1 MIC5.0 | NA1-1600X/4P | CDW6-1600/4P | DW1-1600/4P | Domestic ≈ 55% of Schneider |
| MT32H2 MIC6.0 | NA1-3200X/4P | CDW6-3200/4P | DW1-3200/4P | Domestic ≈ 50% of Schneider |
| NW16H1 3P | NXA-1600/3P | CDW3-1600/3P | DW1-1600/3P | Domestic ≈ 65% of Schneider |
- Parámetros de selección clave
| Artículo | Schneider | TEJIDO | CHINT | Selection Tip |
| Tensión nominal | 690V y | 690V y | 690V y | Match system voltage |
| Capacidad de ruptura | Class-marked | Same class | Same class | Based on short-circuit calculation |
| polacos | 3P/4P (N optional) | 3P/4P | 3P/4P | 4P for three-phase four-wire |
| Montaje | Fixed/Withdrawable | Fixed/Withdrawable | Fixed/Withdrawable | Withdrawable for critical loads |
| Control Supply | AC220/380V, DC110/220V | Mismo | Mismo | Match control system |
| Comunicación | Modbus/Ethernet | Profibus/Modbus | Modbus optional | Required for automation |
- Procurement & Notas de reemplazo
- Dimensional compatibility: MT series matches ABB Emax E2/E3 and CHINT NA1 for direct replacement
- Terminales: Domestic models have lower torque ratings; retorque per manufacturer spec
- Trip settings: Recalibrate L/S/I after replacement to ensure selectivity
- Accesorios: Shunt trip, undervoltage trip, etc., must match or be verified compatible
- Cost advantage: Domestic brands cost roughly 50%~65% of Schneider, ideal for budget projects
- Recommended Application Scenarios
| Guión | Recommended Schneider | Alternativa | Reason |
| Factory main incoming | MT32H2 MIC6.0 | CHINT NA1-3200X | High breaking + smart protection |
| Commercial building | MT16H1 MIC5.0 | Delixi CDW6-1600 | Reliable + rentable |
| Data center | MT40H2 MIC6.0 | ABB E3H4000 | Ultra-high breaking + redundancia |
| Compact panel | NW10H1 4P | CHINT NXA-1000 | tamaño pequeño + funciones completas |
