NF1250-SEW塑殼斷路器 PDF資料
1.產(chǎn) 品 資 料 介 紹：
Mitsubishi NF1250-SEW 塑殼斷路器簡介
NF1250-SEW 屬于三菱電機(jī)（Mitsubishi Electric）NF 系列的大容量塑殼斷路器（MCCB），用于低壓配電系統(tǒng)中的主回路保護(hù)。
此系列以高分?jǐn)嗄芰?、穩(wěn)定可靠和適應(yīng)性強(qiáng)著稱，常用于工業(yè)級電力系統(tǒng)、工廠配電柜以及大功率設(shè)備的主保護(hù)回路。
型號中的 “1250” 表示該斷路器的殼架等級電流為 1250A，能滿足中大型負(fù)載回路的保護(hù)需求。
主要特點
大容量保護(hù)能力：適用于高電流回路，可保護(hù)負(fù)載及配電線路免受過載、短路損害。
高分?jǐn)嗄芰υO(shè)計：可承受大電流故障條件，適用于高要求工業(yè)環(huán)境。
結(jié)構(gòu)堅固耐用：采用工業(yè)級材料制造，機(jī)械壽命和電氣壽命長。
脫扣器配置靈活：SEW 型通常配備電子式脫扣單元，可對長延時、短延時和瞬時保護(hù)進(jìn)行設(shè)定。
安裝簡便：支持面板或柜內(nèi)安裝，適用于多種配電系統(tǒng)架構(gòu)。
安全性能優(yōu)良：具備絕緣保護(hù)、防接觸設(shè)計，增強(qiáng)設(shè)備及人員安全。
典型技術(shù)參數(shù)范圍（NF1250 類常規(guī)參考）
實際參數(shù)因具體脫扣單元配置略有差異，以下為常見范圍：
殼架等級電流：1250A
額定電流：視脫扣器設(shè)定范圍可調(diào)整
極數(shù)：常見為 3 極（3P）
脫扣單元：電子式（長延時/短延時/瞬時可設(shè)）
額定電壓：一般為低壓 AC（如 AC400/690V）
分?jǐn)嗄芰Γ阂罁?jù)版本可能為中—高分?jǐn)嗟燃?/p>
安裝方式：面板安裝或螺栓固定安裝
應(yīng)用：主進(jìn)線、分段保護(hù)、大功率設(shè)備回路保護(hù)
典型應(yīng)用
工廠主配電柜
大型生產(chǎn)設(shè)備主電源保護(hù)
配電系統(tǒng)分段/饋線保護(hù)
商業(yè)、工業(yè)建筑低壓配電系統(tǒng)
高功率電機(jī)、壓縮機(jī)、泵類設(shè)備的電源保護(hù)
NF1250-SEW塑殼斷路器 英文介紹
Introduction to Mitsubishi NF1250-SEW Molded Case Circuit Breaker
NF1250-SEW is a high-capacity molded case circuit breaker (MCCB) belonging to Mitsubishi Electric's NF series, used for main circuit protection in low-voltage distribution systems.
This series is known for its high breaking capacity, stability, reliability, and strong adaptability. It is commonly used in industrial power systems, factory distribution cabinets, and main protection circuits for high-power equipment.
The "1250" in the model indicates that the shell level current of the circuit breaker is 1250A, which can meet the protection requirements of medium and large load circuits.
Main Features
Large capacity protection capability: Suitable for high current circuits, it can protect loads and distribution lines from overload and short circuit damage.
High breaking capacity design: capable of withstanding high current fault conditions, suitable for high demand industrial environments.
Durable and sturdy structure: Made of industrial grade materials, it has a long mechanical and electrical lifespan.
Flexible release configuration: SEW models are usually equipped with electronic release units, which can be set for long delay, short delay, and instantaneous protection.
Easy to install: Supports panel or cabinet installation, suitable for various distribution system architectures.
Excellent safety performance: equipped with insulation protection and anti contact design, enhancing equipment and personnel safety.
Typical technical parameter range (NF1250 standard reference)
The actual parameters may vary slightly due to the specific configuration of the trip unit, and the following are common ranges:
Shell level current: 1250A
Rated current: adjustable according to the setting range of the release device
Pole number: commonly 3 poles (3P)
Release unit: electronic (long delay/short delay/instantaneous adjustable)
Rated voltage: generally low voltage AC (such as AC400/690V)
Breaking ability: Depending on the version, it may have a medium to high breaking level
Installation method: panel installation or bolt fixed installation
Application: Main incoming line, segmented protection, high-power equipment circuit protection
Typical Applications
Factory main distribution cabinet
Main power protection for large-scale production equipment
Distribution system segmentation/feeder protection
Low voltage distribution system for commercial and industrial buildings
Power protection for high-power motors, compressors, and pumps
NF1250-SEW塑殼斷路器 產(chǎn)品展示
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