Contattore,interruttore automatico,inverter solare,contatore elettrico,batterie solari
Schneider NW32H1-4P-3200A Air Circuit Breaker (ACB)
The Schneider NW32H1-4P-3200A is an interruttore automatico dell'aria (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.
- Spiegazione del modello
| Parte del modello | Descrizione |
| NW | Serie di prodotti: MasterPact NW series air circuit breaker |
| 32 | Frame rated current: 3200UN (configurable up to 3200A) |
| H1 | Classe del potere di interruzione: 65kA@440VAC (terapia intensiva), 65kA@690VAC (Icw 1s) |
| 4P | Numero di poli: 4 poli (3 fasi + neutro) |
| 3200UN | Operational rated current: 3200UN (requires matching trip unit) |
- Parametri tecnici fondamentali
| Categoria | Specifica | Note |
| Parametri di base | ||
| Tipo di prodotto | Interruttore automatico dell'aria (ACB) | MasterPact NW series, ritirabile / fixed type available |
| Tensione nominale (Ue) | 690V CA 50/60 Hz | Massimo. operational voltage Ui = 1000V |
| Tensione di isolamento nominale (Ui) | 1000V e | Conforme all'IEC 60947-2 |
| Tensione nominale di resistenza all'impulso (Ump) | 12kV | Ensures insulation safety |
| Frame Rated Current (Iu) | 3200UN | Configurable rated current In ≤ 3200A |
| Capacità di interruzione (terapia intensiva) | 65kA@440VAC | Class H1, 3-second withstand current Icw = 65kA@690VAC |
| 50kA@690VAC | ||
| Poli | 4P (3L+N) | Neutral position selectable (left / Giusto) |
| Meccanico & Installazione | ||
| Montaggio | Withdrawable (standard) / Fisso | Withdrawable for easy maintenance |
| Operazione | Manuale / motor stored energy + manual / motor operation | Motor operation mechanism optional |
| Dimensioni | ca. 465×550×420mm | Slightly varies by mounting type |
| Peso | ca. 85kg | Fixed type slightly lighter |
| Funzioni di protezione | ||
| Standard Protection | Sovraccarico prolungato (l), short-time short-circuit (S), cortocircuito istantaneo (IO) | Requires Micrologic / ET series trip units |
| Optional Protection | Protezione dai guasti a terra (G), residual current protection (RCD) | Supported by advanced trip units |
| Funzione di isolamento | Conforme alla norma EN / CEI 60947-2 | Can be used as isolating device |
| Trip Compatibility | ||
| Supported Trip Units | Micrologic 2.0 / 5.0 / 6.0 serie | Different function levels available |
| ET2E / ET6E series | ||
| Comunicazione | ModBus, Profibus, Ethernet opzionale | Network connectivity via advanced trips |
- Caratteristiche del prodotto & Vantaggi
- Design ad alta affidabilità
Struttura modulare: Easy maintenance and expansion, component replacement without full disassembly
Vacuum interrupter: Strong arc quenching, lunga durata, suitable for frequent operation
Vita meccanica: Fino a 10,000 operations at rated current; vita elettrica 5,000 operazioni
Adattabilità ambientale: Operating temperature -5℃~+40℃, umidità ≤95% (senza condensa)
- Comprehensive Protection
Three-stage protection: Sovraccarico prolungato (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
Fault memory: Advanced trips record fault type, attuale, time for diagnostics
Power monitoring: Selected trips (per esempio. Micrologic 6.0) support voltage, attuale, power and energy metering
- Sicurezza & 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
Telecomando: Motor operation mechanism enables remote ON/OFF for automation systems
- Installazione & Wiring Guidelines
- Mounting Types
Withdrawable mounting:
Suitable for critical facilities requiring frequent maintenance (centri dati, ospedali)
Installation depth approx. 420mm with sufficient pull-out space
Conforme all'IEC 60947-2, anti-mismatch function
Montaggio fisso:
For limited space or low-maintenance applications
More compact layout, costo inferiore
Requires main power disconnection for service
- Requisiti di cablaggio
Main terminals: Accept cables or busbars; busbars recommended for low contact resistance
Circuito di controllo: Separate supply (AC/DC 220V or 110V) for trip and operating mechanism
Neutral position: Left or right selectable, to be specified when ordering
Coppia terminale: Tighten per Schneider official manual to avoid overheating
- Applicazioni & Consigli per la selezione
- Applicazioni tipiche
Industry: Main incoming, large motor control centers (Centro clienti), VFD front-end protection
Edifici commerciali: Main distribution for high-rises, centri commerciali, hotels
Infrastrutture: Power distribution for data centers, ospedali, aeroporti, metros
New energy: Combiner protection in PV power stations and energy storage systems
- Punti di selezione
| Selection Aspect | Note |
| Capacità di interruzione | Select per system short-circuit calculation; Class H1 (65kA@440V) suits most industrial sites |
| Selezione del viaggio | Protezione di base: Micrologic 2.0; power monitoring: Micrologic 6.0; comunicazione: network-enabled models |
| Montaggio | Withdrawable for critical loads, fixed for general loads, balancing cost and maintenance |
| Operazione | Motor operation for remote control; manual for local operation |
| Funzioni ausiliarie | Shunt trip for fire linkage; undervoltage trip for undervoltage protection |
- Prezzo di riferimento & Alternative
- Fascia di prezzo (April 2026, Città di New York)
| Configurazione | Fascia di prezzo (Città di New York) | Note |
| Basic frame (without trip) | 8,000–12,000 | Fisso: 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 | Protezione dai guasti a terra, Modbus supported |
| With Micrologic 6.0 | 22,000–30,000 | Protezione completa, energy metering, Ethernet |
| With motor operation | +3,000–5,000 | Enables remote control |
- Sostituzione & Upgrade Models
Sostituzione diretta: MasterPact MT series (MT32H1-4P-3200A), fully compatible and advanced
Aggiornamento: Newer MasterPact NW models (per esempio. 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 (compatto)
Gamma attuale: 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
| Modello | Corrente del fotogramma | Breaking Class | Poli | Montaggio | Configurazione tipica | Prezzo (Città di New York) |
| MT06N1 MIC2.0 | 630UN | N1 (42kA@440V) | 3P/4P | Fixed/Withdrawable | Basic three-stage protection | 8,000~12,000 |
| MT08H1 MIC5.0 | 800UN | H1 (65kA@440V) | 3P/4P | Withdrawable | Earth fault + ModBus | 15,000~22,000 |
| MT10N2 MIC6.0 | 1000UN | N2 (50kA@690V) | 3P/4P | Fixed/Withdrawable | Energy metering + Ethernet | 20,000~28,000 |
| MT16H1B MIC6.0 | 1600UN | H1b (80kA@440V) | 3P/4P | Withdrawable | Protezione completa + comunicazione | 30,000~42,000 |
| MT25H2 MIC6.0 | 2500UN | H2 (100kA@440V) | 3P/4P | Withdrawable | High breaking + smart monitoring | 55,000~78,000 |
| MT32H2 MIC6.0 | 3200UN | H2 (100kA@440V) | 3P/4P | Withdrawable | Main incoming dedicated | 70,000~95,000 |
| MT40H2 MIC6.0 | 4000UN | H2 (85kA@690V) | 3P/4P | Withdrawable | Heavy industrial distribution | 90,000~120,000 |
| MT63H2 MIC6.0 | 6300UN | H2 (70kA@690V) | 3P/4P | Withdrawable | Centri dati / power plants | 150,000~220,000 |
| MTZ2 32H MIC6.0 | 3200UN | H2 (100kA@440V) | 3P/4P | Withdrawable | Digital upgraded version | 85,000~110,000 |
- General Series: MVS (800A~2500A)
| Modello | Corrente nominale | Capacità di interruzione | Poli | Caratteristiche | Prezzo (Città di New York) |
| MVS08N MIC5.0 | 800UN | N1 (42IL) | 3P/4P | Economical general-purpose | 12,000~18,000 |
| MVS12H MIC5.0 | 1250UN | H1 (65IL) | 3P/4P | Standard industrial | 18,000~25,000 |
| MVS16H MIC5.0 | 1600UN | H1 (65IL) | 3P/4P | High cost-performance | 22,000~30,000 |
| MVS25H MIC6.0 | 2500UN | H1 (65IL) | 3P/4P | Intelligent type | 35,000~48,000 |
- Compact Series: MasterPact NW (630A~1600A)
| Modello | Corrente nominale | Breaking Class | Poli | Size Advantage | Prezzo (Città di New York) |
| NW08N1 3P | 800UN | N1 (42IL) | 3P/4P | 30% smaller than MT | 10,000~15,000 |
| NW10H1 4P | 1000UN | H1 (65IL) | 4P | Design compatto | 13,000~18,000 |
| NW16H1 3P | 1600UN | H1 (65IL) | 3P/4P | Space-constrained panels | 18,000~25,000 |
- Breaking Capacity Classes
| Classe | Ultimate Breaking Capacity (terapia intensiva) | Applicazione |
| N1 | 42kA@440V | Standard commercial buildings |
| N2 | 50kA@690V | General industrial distribution |
| H1 | 65kA@440V | Standard industrial |
| H1b | 80kA@440V | Ambienti ad alto cortocircuito |
| H2 | 100kA@440V / 85kA@690V | Centri dati, power plants |
- Tipi di unità di sgancio & Funzioni
| Trip Model | Protezione | Comunicazione | Applicazione |
| MIC2.0 | L/S/I | Nessuno | Protezione di base |
| MIC5.0 | L/S/I + G | Modbus-RTU | Standard industry |
| MIC6.0 | L/S/I/G + misurazione + logging | Modbus/TCP/Ethernet | Smart distribution |
| ET2E/ET6E | Advanced settings + monitoraggio remoto | Multiple buses | Automation systems |
- Cross-Brand Equivalent Comparison
- Marchi internazionali
| Schneider | ABB Emax | Siemens 3VA/3WT | Equivalenza funzionale | Price Ratio |
| MT08H1 MIC5.0 | E1B1250 R630 PR122/P-LSI | 3VA2 800 H LSI | Pienamente compatibile | 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 |
- Marchi nazionali cinesi (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 |
- Key Selection Parameters
| Articolo | Schneider | ABB | CINT | Suggerimento per la selezione |
| Tensione nominale | 690V e | 690V e | 690V e | Match system voltage |
| Capacità di interruzione | Class-marked | Same class | Same class | Based on short-circuit calculation |
| Poli | 3P/4P (N optional) | 3P/4P | 3P/4P | 4P for three-phase four-wire |
| Montaggio | Fixed/Withdrawable | Fixed/Withdrawable | Fixed/Withdrawable | Withdrawable for critical loads |
| Control Supply | AC220/380V, DC110/220V | Stesso | Stesso | Match control system |
| Comunicazione | Modbus/Ethernet | Profibus/Modbus | Modbus optional | Required for automation |
- Procurement & Note di sostituzione
- Dimensional compatibility: MT series matches ABB Emax E2/E3 and CHINT NA1 for direct replacement
- Terminali: Domestic models have lower torque ratings; retorque per manufacturer spec
- Trip settings: Recalibrate L/S/I after replacement to ensure selectivity
- Accessori: Shunt trip, intervento per sottotensione, ecc., must match or be verified compatible
- Cost advantage: Domestic brands cost roughly 50%~65% of Schneider, ideal for budget projects
- Recommended Application Scenarios
| Scenario | Recommended Schneider | Alternative | Motivo |
| Factory main incoming | MT32H2 MIC6.0 | CHINT NA1-3200X | High breaking + smart protection |
| Commercial building | MT16H1 MIC5.0 | Delixi CDW6-1600 | Affidabile + conveniente |
| Data center | MT40H2 MIC6.0 | ABB E3H4000 | Ultra-high breaking + redundancy |
| Compact panel | NW10H1 4P | CHINT NXA-1000 | Small size + funzioni complete |
