Schneider NW32H1-4P-3200A Air Circuit Breaker (ACB)
The Schneider NW32H1-4P-3200A is an エアサーキットブレーカー (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.
- 機種説明
| Part of Model | 説明 |
| 北西 | 製品シリーズ: MasterPact NW series air circuit breaker |
| 32 | フレーム定格電流: 3200あ (configurable up to 3200A) |
| H1 | 遮断容量クラス: 65kA@440VAC (ICU), 65kA@690VAC (Icw 1s) |
| 4P | 極数: 4 極 (3 phases + 中性) |
| 3200あ | Operational rated current: 3200あ (requires matching trip unit) |
- コア技術パラメータ
| カテゴリ | 仕様 | 注意事項 |
| 基本パラメータ | ||
| 製品タイプ | エアサーキットブレーカー (ACB) | マスターパクトNWシリーズ, withdrawable / fixed type available |
| 定格電圧 (うえ) | 690AC50/60Hz | マックス. operational voltage Ui = 1000V |
| 定格絶縁電圧 (ウイ) | 1000Vと | IECに準拠 60947-2 |
| 定格インパルス耐電圧 (ウンプ) | 12kV | Ensures insulation safety |
| Frame Rated Current (Iu) | 3200あ | Configurable rated current In ≤ 3200A |
| 遮断容量 (ICU) | 65kA@440VAC | Class H1, 3-second withstand current Icw = 65kA@690VAC |
| 50kA@690VAC | ||
| 極 | 4P (3L+N) | Neutral position selectable (left / right) |
| 機械式 & インストール | ||
| 取り付け | Withdrawable (標準) / 修理済み | Withdrawable for easy maintenance |
| 手術 | マニュアル / motor stored energy + マニュアル / motor operation | Motor operation mechanism optional |
| 寸法 | 約. 465×550×420mm | Slightly varies by mounting type |
| 重さ | 約. 85kg | Fixed type slightly lighter |
| 保護機能 | ||
| Standard Protection | 長時間の過負荷 (L), short-time short-circuit (S), 瞬間短絡 (私) | Requires Micrologic / ET series trip units |
| Optional Protection | Earth fault protection (G), residual current protection (RCD) | Supported by advanced trip units |
| アイソレーション機能 | Complies with EN / IEC 60947-2 | Can be used as isolating device |
| Trip Compatibility | ||
| Supported Trip Units | Micrologic 2.0 / 5.0 / 6.0 シリーズ | Different function levels available |
| ET2E / ET6E series | ||
| コミュニケーション | Modbus, Profibus, イーサネットはオプション | Network connectivity via advanced trips |
- 製品の特徴 & 利点
- High-Reliability Design
Modular structure: Easy maintenance and expansion, component replacement without full disassembly
Vacuum interrupter: Strong arc quenching, 長寿命, 頻繁な操作に適しています
機械的寿命: まで 10,000 operations at rated current; 電気的寿命 5,000 オペレーション
環境適応性: 使用温度 -5℃~+40℃, 湿度 ≤95% (結露しないこと)
- Comprehensive Protection
Three-stage protection: 長時間の過負荷 (inverse), short-time short-circuit (definite), instantaneous short-circuit for precise fault matching
選択的保護: Coordination between upstream and downstream breakers via trip settings to minimize outages
フォルトメモリ: Advanced trips record fault type, 現在, time for diagnostics
Power monitoring: Selected trips (例えば. Micrologic 6.0) support voltage, 現在, power and energy metering
- 安全性 & 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
リモコン: Motor operation mechanism enables remote ON/OFF for automation systems
- インストール & Wiring Guidelines
- Mounting Types
Withdrawable mounting:
Suitable for critical facilities requiring frequent maintenance (データセンター, 病院)
Installation depth approx. 420mm with sufficient pull-out space
IECに準拠 60947-2, anti-mismatch function
固定取付:
For limited space or low-maintenance applications
More compact layout, 低コスト
Requires main power disconnection for service
- 配線要件
Main terminals: Accept cables or busbars; busbars recommended for low contact resistance
制御回路: 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
- アプリケーション & Selection Advice
- 代表的な用途
業界: Main incoming, large motor control centers (MCC), VFD front-end protection
商業ビル: Main distribution for high-rises, ショッピングモール, ホテル
インフラストラクチャー: Power distribution for data centers, 病院, airports, 地下鉄
New energy: Combiner protection in PV power stations and energy storage systems
- 選択ポイント
| Selection Aspect | 注意事項 |
| 遮断容量 | Select per system short-circuit calculation; Class H1 (65kA@440V) suits most industrial sites |
| Trip Selection | 基本的な保護: Micrologic 2.0; power monitoring: Micrologic 6.0; コミュニケーション: network-enabled models |
| 取り付け | Withdrawable for critical loads, fixed for general loads, balancing cost and maintenance |
| 手術 | Motor operation for remote control; manual for local operation |
| 補助機能 | Shunt trip for fire linkage; undervoltage trip for undervoltage protection |
- 参考価格 & 代替案
- 価格帯 (April 2026, 人民元)
| 構成 | 価格帯 (人民元) | 注意事項 |
| Basic frame (without trip) | 8,000–12,000 | 修理済み: 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, イーサネット |
| With motor operation | +3,000–5,000 | Enables remote control |
- 交換 & アップグレードモデル
Direct replacement: MasterPact MT series (MT32H1-4P-3200A), fully compatible and advanced
アップグレード: Newer MasterPact NW models (例えば. 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 & ブランド間の比較 (April 2026)
一目でわかる
Schneider core series: MasterPact MT/MTZ (旗艦), MVS (general), 北西 (コンパクト)
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
| モデル | フレーム電流 | Breaking Class | 極 | 取り付け | Typical Configuration | 価格 (人民元) |
| MT06N1 MIC2.0 | 630あ | N1 (42kA@440V) | 3P/4P | Fixed/Withdrawable | Basic three-stage protection | 8,000~12,000 |
| MT08H1 MIC5.0 | 800あ | H1 (65kA@440V) | 3P/4P | Withdrawable | 地絡 + Modbus | 15,000~22,000 |
| MT10N2 MIC6.0 | 1000あ | N2 (50kA@690V) | 3P/4P | Fixed/Withdrawable | Energy metering + イーサネット | 20,000~28,000 |
| MT16H1B MIC6.0 | 1600あ | H1b (80kA@440V) | 3P/4P | Withdrawable | Full protection + コミュニケーション | 30,000~42,000 |
| MT25H2 MIC6.0 | 2500あ | H2 (100kA@440V) | 3P/4P | Withdrawable | ハイブレーキング + smart monitoring | 55,000~78,000 |
| MT32H2 MIC6.0 | 3200あ | H2 (100kA@440V) | 3P/4P | Withdrawable | Main incoming dedicated | 70,000~95,000 |
| MT40H2 MIC6.0 | 4000あ | H2 (85kA@690V) | 3P/4P | Withdrawable | Heavy industrial distribution | 90,000~120,000 |
| MT63H2 MIC6.0 | 6300あ | H2 (70kA@690V) | 3P/4P | Withdrawable | データセンター / power plants | 150,000~220,000 |
| MTZ2 32H MIC6.0 | 3200あ | H2 (100kA@440V) | 3P/4P | Withdrawable | Digital upgraded version | 85,000~110,000 |
- General Series: MVS (800A~2500A)
| モデル | 定格電流 | 遮断容量 | 極 | 特徴 | 価格 (人民元) |
| MVS08N MIC5.0 | 800あ | N1 (42の) | 3P/4P | Economical general-purpose | 12,000~18,000 |
| MVS12H MIC5.0 | 1250あ | H1 (65の) | 3P/4P | Standard industrial | 18,000~25,000 |
| MVS16H MIC5.0 | 1600あ | H1 (65の) | 3P/4P | High cost-performance | 22,000~30,000 |
| MVS25H MIC6.0 | 2500あ | H1 (65の) | 3P/4P | インテリジェントタイプ | 35,000~48,000 |
- Compact Series: MasterPact NW (630A~1600A)
| モデル | 定格電流 | Breaking Class | 極 | Size Advantage | 価格 (人民元) |
| NW08N1 3P | 800あ | N1 (42の) | 3P/4P | 30% smaller than MT | 10,000~15,000 |
| NW10H1 4P | 1000あ | H1 (65の) | 4P | コンパクトな設計 | 13,000~18,000 |
| NW16H1 3P | 1600あ | H1 (65の) | 3P/4P | Space-constrained panels | 18,000~25,000 |
- Breaking Capacity Classes
| クラス | 究極の制動能力 (ICU) | 応用 |
| 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 | データセンター, power plants |
- Trip Unit Types & 機能
| Trip Model | 保護 | コミュニケーション | 応用 |
| MIC2.0 | L/S/I | なし | 基本的な保護 |
| MIC5.0 | L/S/I + G | Modbus-RTU | Standard industry |
| MIC6.0 | L/S/I/G + 測光 + logging | Modbus/TCP/Ethernet | Smart distribution |
| ET2E/ET6E | Advanced settings + 遠隔監視 | Multiple buses | Automation systems |
- Cross-Brand Equivalent Comparison
- 国際ブランド
| シュナイダー | ABB Emax | Siemens 3VA/3WT | Functional Equivalence | Price Ratio |
| MT08H1 MIC5.0 | E1B1250 R630 PR122/P-LSI | 3VA2 800 H LSI | 完全な互換性 | 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)
| シュナイダー | 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 |
- 主要な選択パラメータ
| アイテム | シュナイダー | ABB | チント | 選択のヒント |
| 定格電圧 | 690Vと | 690Vと | 690Vと | Match system voltage |
| 遮断容量 | Class-marked | Same class | Same class | Based on short-circuit calculation |
| 極 | 3P/4P (N optional) | 3P/4P | 3P/4P | 4P for three-phase four-wire |
| 取り付け | Fixed/Withdrawable | Fixed/Withdrawable | Fixed/Withdrawable | Withdrawable for critical loads |
| Control Supply | AC220/380V, DC110/220V | 同じ | 同じ | Match control system |
| コミュニケーション | Modbus/Ethernet | Profibus/Modbus | Modbus optional | Required for automation |
- Procurement & 交換ノート
- Dimensional compatibility: MT series matches ABB Emax E2/E3 and CHINT NA1 for direct replacement
- 端子: Domestic models have lower torque ratings; retorque per manufacturer spec
- Trip settings: Recalibrate L/S/I after replacement to ensure selectivity
- 付属品: Shunt trip, undervoltage trip, 等, must match or be verified compatible
- Cost advantage: Domestic brands cost roughly 50%~65% of Schneider, ideal for budget projects
- 推奨されるアプリケーション シナリオ
| シナリオ | Recommended Schneider | 代替 | 理由 |
| Factory main incoming | MT32H2 MIC6.0 | CHINT NA1-3200X | ハイブレーキング + smart protection |
| Commercial building | MT16H1 MIC5.0 | Delixi CDW6-1600 | 信頼性のある + 費用対効果の高い |
| Data center | MT40H2 MIC6.0 | ABB E3H4000 | Ultra-high breaking + 冗長性 |
| Compact panel | NW10H1 4P | CHINT NXA-1000 | 小型 + full functions |
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