Contactor,întrerupător de circuit,invertor solar,contor electric,baterii solare
Schneider NW32H1-4P-3200A Air Circuit Breaker (ACB)
The Schneider NW32H1-4P-3200A is an întrerupător de circuit de aer (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.
- Explicația modelului
| Parte din Model | Descriere |
| NW | Product series: MasterPact NW series air circuit breaker |
| 32 | Frame rated current: 3200O (configurable up to 3200A) |
| H1 | Clasa de capacitate de rupere: 65kA@440VAC (Icu), 65kA@690VAC (Icw 1s) |
| 4P | Numărul de poli: 4 stâlpi (3 phases + neutru) |
| 3200O | Operational rated current: 3200O (requires matching trip unit) |
- Parametrii tehnici de bază
| Categorie | Caietul de sarcini | Note |
| Parametrii de bază | ||
| Tip de produs | Întrerupător de aer (ACB) | MasterPact NW series, withdrawable / fixed type available |
| Tensiune nominală (Ue) | 690V AC 50/60Hz | Max. operational voltage Ui = 1000V |
| Tensiune nominală de izolație (Ui) | 1000V și | Conform IEC 60947-2 |
| Tensiune nominală de rezistență la impuls (Ump) | 12kV | Ensures insulation safety |
| Frame Rated Current (Iu) | 3200O | Configurable rated current In ≤ 3200A |
| Capacitate de rupere (Icu) | 65kA@440VAC | Class H1, 3-second withstand current Icw = 65kA@690VAC |
| 50kA@690VAC | ||
| Polonii | 4P (3L+N) | Neutral position selectable (left / right) |
| Mechanical & Instalare | ||
| Montare | Withdrawable (standard) / Fix | Withdrawable for easy maintenance |
| Operation | Manual / motor stored energy + manual / motor operation | Motor operation mechanism optional |
| Dimensiuni | Aproximativ. 465×550×420mm | Slightly varies by mounting type |
| Greutate | Aproximativ. 85kg | Fixed type slightly lighter |
| Funcții de protecție | ||
| Standard Protection | Long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (eu) | Requires Micrologic / ET series trip units |
| Optional Protection | Earth fault protection (G), residual current protection (RCD) | Supported by advanced trip units |
| Funcția de izolare | Complies with EN / IEC 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 | ||
| Comunicare | Modbus, Profibus, Ethernet optional | Network connectivity via advanced trips |
- Caracteristicile produsului & Avantaje
- Design de înaltă fiabilitate
Modular structure: Easy maintenance and expansion, component replacement without full disassembly
Vacuum interrupter: Strong arc quenching, durata de viata lunga, suitable for frequent operation
Durata de viata mecanica: Până la 10,000 operations at rated current; electrical life 5,000 operațiuni
Adaptabilitate la mediu: Temperatura de funcționare -5℃~+40℃, umiditate ≤95% (necondens)
- Protecție cuprinzătoare
Three-stage protection: Long-time overload (inverse), short-time short-circuit (definite), instantaneous short-circuit for precise fault matching
Protectie selectiva: Coordination between upstream and downstream breakers via trip settings to minimize outages
Memoria erorilor: Advanced trips record fault type, actual, time for diagnostics
Power monitoring: Selected trips (de ex. Micrologic 6.0) support voltage, actual, power and energy metering
- Siguranţă & Convenience
Safety interlocks: Mechanical and electrical interlocks to prevent misoperation
Withdrawable design: Maintenance without main power interruption, îmbunătățirea disponibilității sistemului
Indicație de stare: Clear ON/OFF/energy storage indicators for on-site observation
Remote control: Motor operation mechanism enables remote ON/OFF for automation systems
- Instalare & Wiring Guidelines
- Mounting Types
Withdrawable mounting:
Suitable for critical facilities requiring frequent maintenance (centre de date, hospitals)
Installation depth approx. 420mm with sufficient pull-out space
Conform 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
- Cerințe de cablare
Main terminals: Accept cables or busbars; busbars recommended for low contact resistance
Circuit 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
- Aplicații & Sfat de selecție
- Aplicații tipice
Industrie: Main incoming, large motor control centers (MCC), VFD front-end protection
Commercial buildings: Main distribution for high-rises, centre comerciale, hoteluri
Infrastructură: Power distribution for data centers, hospitals, airports, metros
New energy: Combiner protection in PV power stations and energy storage systems
- Puncte de selecție
| Selection Aspect | Note |
| Capacitate de rupere | Select per system short-circuit calculation; Class H1 (65kA@440V) suits most industrial sites |
| Trip Selection | Basic protection: Micrologic 2.0; power monitoring: Micrologic 6.0; comunicare: network-enabled models |
| Montare | Withdrawable for critical loads, fixed for general loads, balancing cost and maintenance |
| Operation | Motor operation for remote control; manual for local operation |
| Funcții auxiliare | Shunt trip for fire linkage; undervoltage trip for undervoltage protection |
- Preț de referință & Alternative
- Price Range (April 2026, CNY)
| Configurare | Price Range (CNY) | Note |
| Basic frame (without trip) | 8,000–12,000 | Fix: 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 | Earth fault protection, Modbus supported |
| With Micrologic 6.0 | 22,000–30,000 | Full protection, energy metering, Ethernet |
| With motor operation | +3,000–5,000 | Enables remote control |
- Înlocuire & Upgrade Models
Înlocuire directă: MasterPact MT series (MT32H1-4P-3200A), fully compatible and advanced
Upgrade: Newer MasterPact NW models (de ex. 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
| Model | Cadrul curent | Clasa de rupere | Polonii | Montare | Typical Configuration | Preţ (CNY) |
| MT06N1 MIC2.0 | 630O | N1 (42kA@440V) | 3P/4P | Fixed/Withdrawable | Basic three-stage protection | 8,000~12,000 |
| MT08H1 MIC5.0 | 800O | H1 (65kA@440V) | 3P/4P | Withdrawable | Earth fault + Modbus | 15,000~22,000 |
| MT10N2 MIC6.0 | 1000O | N2 (50kA@690V) | 3P/4P | Fixed/Withdrawable | Energy metering + Ethernet | 20,000~28,000 |
| MT16H1B MIC6.0 | 1600O | H1b (80kA@440V) | 3P/4P | Withdrawable | Full protection + comunicare | 30,000~42,000 |
| MT25H2 MIC6.0 | 2500O | H2 (100kA@440V) | 3P/4P | Withdrawable | Rupere mare + smart monitoring | 55,000~78,000 |
| MT32H2 MIC6.0 | 3200O | H2 (100kA@440V) | 3P/4P | Withdrawable | Main incoming dedicated | 70,000~95,000 |
| MT40H2 MIC6.0 | 4000O | H2 (85kA@690V) | 3P/4P | Withdrawable | Heavy industrial distribution | 90,000~120,000 |
| MT63H2 MIC6.0 | 6300O | H2 (70kA@690V) | 3P/4P | Withdrawable | Centre de date / power plants | 150,000~220,000 |
| MTZ2 32H MIC6.0 | 3200O | H2 (100kA@440V) | 3P/4P | Withdrawable | Digital upgraded version | 85,000~110,000 |
- General Series: MVS (800A~2500A)
| Model | Curent nominal | Capacitate de rupere | Polonii | Caracteristici | Preţ (CNY) |
| MVS08N MIC5.0 | 800O | N1 (42cel) | 3P/4P | Economical general-purpose | 12,000~18,000 |
| MVS12H MIC5.0 | 1250O | H1 (65cel) | 3P/4P | Standard industrial | 18,000~25,000 |
| MVS16H MIC5.0 | 1600O | H1 (65cel) | 3P/4P | High cost-performance | 22,000~30,000 |
| MVS25H MIC6.0 | 2500O | H1 (65cel) | 3P/4P | Intelligent type | 35,000~48,000 |
- Compact Series: MasterPact NW (630A~1600A)
| Model | Curent nominal | Clasa de rupere | Polonii | Size Advantage | Preţ (CNY) |
| NW08N1 3P | 800O | N1 (42cel) | 3P/4P | 30% smaller than MT | 10,000~15,000 |
| NW10H1 4P | 1000O | H1 (65cel) | 4P | Design compact | 13,000~18,000 |
| NW16H1 3P | 1600O | H1 (65cel) | 3P/4P | Space-constrained panels | 18,000~25,000 |
- Clasele de capacitate de rupere
| Clasă | Ultimate Breaking Capacity (Icu) | Aplicație |
| 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 | Centre de date, power plants |
- Trip Unit Types & Funcții
| Trip Model | Protecţie | Comunicare | Aplicație |
| MIC2.0 | L/S/I | None | Basic protection |
| MIC5.0 | L/S/I + G | Modbus-RTU | Standard industry |
| MIC6.0 | L/S/I/G + contorizare + logging | Modbus/TCP/Ethernet | Distribuție inteligentă |
| ET2E/ET6E | Advanced settings + monitorizare de la distanță | Multiple buses | Automation systems |
- Cross-Brand Equivalent Comparison
- International Brands
| Schneider | ABB Emax | Siemens 3VA/3WT | Echivalența funcțională | Price Ratio |
| MT08H1 MIC5.0 | E1B1250 R630 PR122/P-LSI | 3VA2 800 H LSI | Complet compatibil | 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 |
- Key Selection Parameters
| Articol | Schneider | ABB | CHINT | Selection Tip |
| Tensiune nominală | 690V și | 690V și | 690V și | Match system voltage |
| Capacitate de rupere | Class-marked | Same class | Same class | Based on short-circuit calculation |
| Polonii | 3P/4P (N optional) | 3P/4P | 3P/4P | 4P for three-phase four-wire |
| Montare | Fixed/Withdrawable | Fixed/Withdrawable | Fixed/Withdrawable | Withdrawable for critical loads |
| Control Supply | AC220/380V, DC110/220V | Same | Same | Match control system |
| Comunicare | Modbus/Ethernet | Profibus/Modbus | Modbus optional | Required for automation |
- Procurement & Note de înlocuire
- Dimensional compatibility: MT series matches ABB Emax E2/E3 and CHINT NA1 for direct replacement
- Terminale: Domestic models have lower torque ratings; retorque per manufacturer spec
- Trip settings: Recalibrate L/S/I after replacement to ensure selectivity
- Accessories: Shunt trip, declanșare la subtensiune, etc., must match or be verified compatible
- Cost advantage: Domestic brands cost roughly 50%~65% of Schneider, ideal for budget projects
- Recommended Application Scenarios
| Scenariu | Recommended Schneider | Alternativă | Reason |
| Factory main incoming | MT32H2 MIC6.0 | CHINT NA1-3200X | Rupere mare + smart protection |
| Commercial building | MT16H1 MIC5.0 | Delixi CDW6-1600 | Reliable + rentabil |
| Data center | MT40H2 MIC6.0 | ABB E3H4000 | Ultra-high breaking + redundancy |
| Compact panel | NW10H1 4P | CHINT NXA-1000 | Dimensiune mică + full functions |
