Disjuntor pneumático Schneider NW32H1-4P-3200A

Disjuntor pneumático Schneider NW32H1-4P-3200A (ACB)

The Schneider NW32H1-4P-3200A is an disjuntor de ar (ACB) da série MasterPact NW, projetado para proteção de entrada principal e seção de barramento em sistemas de distribuição de energia de baixa tensão (≤690V). Apresentando alta capacidade de interrupção e configurações de proteção flexíveis, serve como um componente de proteção central para distribuição de energia em edifícios industriais e comerciais de grande porte.

Explicação do modelo

Parte do modelo	Descrição
NW	Série de produtos: MasterPact NW series air circuit breaker
32	Corrente nominal do quadro: 3200UM (configurable up to 3200A)
H1	Breaking capacity class: 65kA@440VAC (UTI), 65kA@690VAC (Icw 1s)
4P	Número de pólos: 4 postes (3 fases + neutral)
3200UM	Operational rated current: 3200UM (requires matching trip unit)

Parâmetros técnicos principais

Categoria	Especificação	Notas
Parâmetros Básicos
Tipo de produto	Disjuntor de ar (ACB)	MasterPact NW series, withdrawable / fixed type available
Tensão nominal (Ué)	690Vca 50/60 Hz	Máx.. operational voltage Ui = 1000V
Tensão nominal de isolamento (interface do usuário)	1000V e	Em conformidade com IEC 60947-2
Tensão nominal suportável ao impulso (Um)	12kV	Ensures insulation safety
Frame Rated Current (Eu)	3200UM	Configurable rated current In ≤ 3200A
Quebrando Capacidade (UTI)	65kA@440VAC	Class H1, 3-second withstand current Icw = 65kA@690VAC
Quebrando Capacidade (UTI)	50kA@690VAC	Class H1, 3-second withstand current Icw = 65kA@690VAC
Poloneses	4P (3L+N)	Neutral position selectable (left / right)
Mecânico & Instalação
Montagem	Withdrawable (padrão) / Fixo	Withdrawable for easy maintenance
Operação	Manual / motor stored energy + manual / motor operation	Motor operation mechanism optional
Dimensões	Aprox.. 465×550×420mm	Slightly varies by mounting type
Peso	Aprox.. 85kg	Fixed type slightly lighter
Funções de proteção
Standard Protection	Long-time overload (eu), 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
Função de isolamento	Complies with EN / CEI 60947-2	Can be used as isolating device
Trip Compatibility
Supported Trip Units	Micrológico 2.0 / 5.0 / 6.0 série	Different function levels available
Supported Trip Units	ET2E / ET6E series	Different function levels available
Comunicação	Modbus, Profibus, Ethernet opcional	Network connectivity via advanced trips

Recursos do produto & Vantagens
High-Reliability Design

Modular structure: Easy maintenance and expansion, component replacement without full disassembly

Vacuum interrupter: Strong arc quenching, longa vida útil, suitable for frequent operation

Vida mecânica: Até 10,000 operations at rated current; electrical life 5,000 operações

Adaptabilidade ambiental: Temperatura operacional -5℃~+40℃, umidade ≤95% (sem condensação)

Proteção Abrangente

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

Memória de falhas: Advanced trips record fault type, atual, time for diagnostics

Power monitoring: Selected trips (por exemplo. Micrológico 6.0) support voltage, atual, power and energy metering

Segurança & Convenience

Safety interlocks: Mechanical and electrical interlocks to prevent misoperation

Withdrawable design: Maintenance without main power interruption, melhorando a disponibilidade do sistema

Status indication: Clear ON/OFF/energy storage indicators for on-site observation

Controle remoto: Motor operation mechanism enables remote ON/OFF for automation systems

Instalação & Wiring Guidelines
Mounting Types

Withdrawable mounting:

Suitable for critical facilities requiring frequent maintenance (centros de dados, hospitais)

Installation depth approx. 420mm with sufficient pull-out space

Em conformidade com IEC 60947-2, anti-mismatch function

Montagem fixa:

For limited space or low-maintenance applications

More compact layout, menor custo

Requires main power disconnection for service

Requisitos de fiação

Main terminals: Accept cables or busbars; busbars recommended for low contact resistance

Circuito de controle: 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

Aplicativos & Conselhos de seleção
Aplicações Típicas

Indústria: Main incoming, large motor control centers (MCC), VFD front-end protection

Edifícios comerciais: Main distribution for high-rises, shoppings, hotéis

Infrastructure: Power distribution for data centers, hospitais, airports, metros

New energy: Combiner protection in PV power stations and energy storage systems

Pontos de seleção

Selection Aspect	Notas
Quebrando Capacidade	Select per system short-circuit calculation; Class H1 (65kA@440V) suits most industrial sites
Trip Selection	Proteção básica: Micrológico 2.0; power monitoring: Micrológico 6.0; comunicação: network-enabled models
Montagem	Withdrawable for critical loads, fixed for general loads, balancing cost and maintenance
Operação	Motor operation for remote control; manual for local operation
Funções Auxiliares	Shunt trip for fire linkage; undervoltage trip for undervoltage protection

Referência de Preço & Alternatives
Faixa de preço (April 2026, CNY)

Configuração	Faixa de preço (CNY)	Notas
Basic frame (without trip)	8,000–12.000	Fixo: 8,000–10.000
Basic frame (without trip)	8,000–12.000	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

Substituição & Atualizar modelos

Substituição direta: MasterPact MT series (MT32H1-4P-3200A), fully compatible and advanced

Atualizar: Newer MasterPact NW models (por exemplo. 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 & Comparação entre marcas (April 2026)

At a Glance

Schneider core series: MasterPact MT/MTZ (flagship), MVS (general), NW (compactar)

Intervalo atual: 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	Quadro atual	Breaking Class	Poloneses	Montagem	Typical Configuration	Preço (CNY)
MT06N1 MIC2.0	630UM	N1 (42kA@440V)	3P/4P	Fixed/Withdrawable	Basic three-stage protection	8,000~12,000
MT08H1 MIC5.0	800UM	H1 (65kA@440V)	3P/4P	Withdrawable	Earth fault + Modbus	15,000~22,000
MT10N2 MIC6.0	1000UM	N2 (50kA@690V)	3P/4P	Fixed/Withdrawable	Energy metering + Ethernet	20,000~28,000
MT16H1B MIC6.0	1600UM	H1b (80kA@440V)	3P/4P	Withdrawable	Full protection + comunicação	30,000~42,000
MT25H2 MIC6.0	2500UM	H2 (100kA@440V)	3P/4P	Withdrawable	High breaking + smart monitoring	55,000~78,000
MT32H2 MIC6.0	3200UM	H2 (100kA@440V)	3P/4P	Withdrawable	Main incoming dedicated	70,000~95,000
MT40H2 MIC6.0	4000UM	H2 (85kA@690V)	3P/4P	Withdrawable	Heavy industrial distribution	90,000~120,000
MT63H2 MIC6.0	6300UM	H2 (70kA@690V)	3P/4P	Withdrawable	Centros de dados / power plants	150,000~220,000
MTZ2 32H MIC6.0	3200UM	H2 (100kA@440V)	3P/4P	Withdrawable	Digital upgraded version	85,000~110,000

General Series: MVS (800A~2500A)

Modelo	Corrente nominal	Quebrando Capacidade	Poloneses	Características	Preço (CNY)
MVS08N MIC5.0	800UM	N1 (42o)	3P/4P	Economical general-purpose	12,000~18,000
MVS12H MIC5.0	1250UM	H1 (65o)	3P/4P	Standard industrial	18,000~25,000
MVS16H MIC5.0	1600UM	H1 (65o)	3P/4P	Alto custo-desempenho	22,000~30,000
MVS25H MIC6.0	2500UM	H1 (65o)	3P/4P	Tipo inteligente	35,000~48,000

Compact Series: MasterPact NW (630A~1600A)

Modelo	Corrente nominal	Breaking Class	Poloneses	Size Advantage	Preço (CNY)
NW08N1 3P	800UM	N1 (42o)	3P/4P	30% smaller than MT	10,000~15,000
NW10H1 4P	1000UM	H1 (65o)	4P	Design compacto	13,000~18,000
NW16H1 3P	1600UM	H1 (65o)	3P/4P	Space-constrained panels	18,000~25,000

Breaking Capacity Classes

Aula	Capacidade de ruptura final (UTI)	Aplicativo
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	Centros de dados, power plants

Trip Unit Types & Functions

Trip Model	Proteção	Comunicação	Aplicativo
MIC2.0	L/S/I	Nenhum	Proteção básica
MIC5.0	L/S/I + G	Modbus-RTU	Standard industry
MIC6.0	L/S/I/G + metering + logging	Modbus/TCP/Ethernet	Smart distribution
ET2E/ET6E	Advanced settings + monitoramento remoto	Multiple buses	Automation systems

Cross-Brand Equivalent Comparison
Marcas Internacionais

Schneider	ABB Emax	Siemens 3VA/3WT	Functional Equivalence	Price Ratio
MT08H1 MIC5.0	E1B1250 R630 PR122/P-LSI	3VA2 800 H LSI	Totalmente compatível	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

Marcas Domésticas Chinesas (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

Item	Schneider	ABB	CHINT	Selection Tip
Tensão nominal	690V e	690V e	690V e	Match system voltage
Quebrando Capacidade	Class-marked	Same class	Same class	Based on short-circuit calculation
Poloneses	3P/4P (N optional)	3P/4P	3P/4P	4P for three-phase four-wire
Montagem	Fixed/Withdrawable	Fixed/Withdrawable	Fixed/Withdrawable	Withdrawable for critical loads
Control Supply	AC220/380V, DC110/220V	Mesmo	Mesmo	Match control system
Comunicação	Modbus/Ethernet	Profibus/Modbus	Modbus optional	Required for automation

Aquisições & Notas de substituição
Dimensional compatibility: MT series matches ABB Emax E2/E3 and CHINT NA1 for direct replacement
Terminais: Domestic models have lower torque ratings; retorque per manufacturer spec
Trip settings: Recalibrate L/S/I after replacement to ensure selectivity
Acessórios: Viagem de manobra, disparo por subtensão, etc., must match or be verified compatible
Cost advantage: Domestic brands cost roughly 50%~65% of Schneider, ideal for budget projects
Recommended Application Scenarios

Cenário	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	Confiável + econômico
Data center	MT40H2 MIC6.0	ABB E3H4000	Ultra-high breaking + redundância
Compact panel	NW10H1 4P	CHINT NXA-1000	Tamanho pequeno + full functions