Low Voltage Withdrawable Switchgear Cabinets
Drawer-type modular switchgear enclosures designed for low-voltage power distribution and motor control applications. Each withdrawable unit can be safely removed and inserted without de-energizing the main busbar — allowing maintenance and reconfiguration without system-wide shutdown.
Product Introduction
Design purpose, key advantages, and mechanism parameters
| Design Purpose & Key Advantages | |
|---|---|
| Design Purpose | Drawer-type modular switchgear enclosures designed for low-voltage power distribution and motor control applications. Each withdrawable unit can be safely removed and inserted without de-energizing the main busbar — allowing maintenance and reconfiguration without system-wide shutdown. |
| Key Advantage 1 | Safe Maintenance — Withdraw units for inspection or replacement without power interruption to the main busbar. |
| Key Advantage 2 | Modular Flexibility — Add, remove, or reposition drawer modules as load requirements change over time. |
| Key Advantage 3 | Reduced Downtime — Hot-swap capability keeps critical systems running during maintenance operations. |
| Key Advantage 4 | Standardized Positions — Each drawer has defined positions: connected, test, and isolated for operational safety. |
| Parameter | Range / Options |
|---|---|
| أبعاد | Custom (Common: 800W × 1000د × 2200H) |
| Rated Voltage | 380V / 400V / 415V / 690V AC |
| Rated Current (Main Busbar) | Up to 6300A |
| Rated Current (Drawer) | Up to 630A per module |
| Short-Circuit Withstand | Up to 80kA (1ق) |
| IP Rating (الضميمة) | IP30 – IP54 (Indoor Installation) |
| Degree of Protection (Drawers) | IP2X (Internal) |
| Internal Separation | Form 3b or Form 4 per IEC 61439 (configurable) |
| المعايير | اللجنة الانتخابية المستقلة 61439-1/-2, غيغابايت 7251 |
Product Gallery
MNS withdrawable switchgear series — 800W × 1000د × 2200H
Main Breaker Compartment
High-capacity main busbar system rated up to 6300A.
Withdrawable Module
Standardized drawer units with mechanical interlocking for safe operation.
Busbar & Cable Chamber
Separate busbar chamber and cable chamber for safety and accessibility.
Compartmentalized Design
Internal separation per IEC 61439 Form 3b or Form 4.
Position Indicator
Connected → Test → Disconnected positions for operational safety.
Cable Management
Dedicated top and bottom cable entry zones with generous routing space.
Customization Capabilities
Send us your specifications for a tailored design
| Category | Options |
|---|---|
| Drawer Configurations | Custom breaker type, starter type, metering per drawer module |
| Instrumentation | Ammeter, voltmeter, energy meter, power factor meter |
| Control Circuits | PLC interface, communication modules, remote monitoring |
| Arc-Flash Safety | Arc-flash containment design per IEC 61439 المعايير |
| Climate Control | Internal fans, heaters, or air conditioning systems |
| لون & وضع العلامات | Custom colors and labeling per client standards |
| Full Assembly | Breaker installation and wiring included (optional) |
لماذا تختار شيجي
- ±0.2mm laser cutting for precise cutouts and clean edges
- ±0.5mm bending accuracy for square, consistent enclosures
- Free design drawings within 3 days of requirement confirmation
- IP-tested before shipment — no guesswork on protection ratings
- ايزو 9001 نظام إدارة الجودة
- 15–25 day production lead time with 99.5% on-time delivery
- Export experience to US, EU, أستراليا, Mexico, وجنوب شرق آسيا
المنتجات ذات الصلة
Explore other electrical enclosure categories
عملية التعاون المكونة من 5 خطوات
From consultation to delivery — full project lifecycle support
التشاور & تصميم
Share your requirements, drawings, or samples. Our engineers provide design recommendations and feasibility analysis.
اقتباس
Detailed quotation with material specs, manufacturing process, lead time, and pricing within 24 ساعات.
النموذج الأولي & تصديق
يتم إنتاج نموذج أولي وظيفي بسرعة لتتمكن من اختباره, التحقق من صحة, والموافقة عليها قبل الإنتاج الضخم.
إنتاج متدرج & مراقبة الجودة
يتم تصنيع طلبك على نطاق واسع من خلال نقاط تفتيش متعددة لمراقبة الجودة, من فحص المواد إلى التجميع النهائي.
اندماج & توصيل
Final system integration, اختبار صارم, والتغليف الآمن للتسليم العالمي في الوقت المناسب.
الأسئلة المتداولة
Answers to common questions about MNS switchgear
Fixed-type switchgear has breakers and components permanently bolted into the enclosure — maintenance requires powering down the entire panel. Withdrawable (draw-out) switchgear houses each breaker in a movable drawer module that can be withdrawn while the main busbar remains energized, allowing safe maintenance without system-wide shutdown. This significantly reduces downtime and improves operational flexibility.
نعم. Our cabinets are designed to be dimensionally and functionally compatible with MNS-type architectures, making them suitable for expansion projects, spare cabinet additions, or full system replacements. We can match existing busbar heights, drawer interface dimensions, and panel alignment specifications.
نعم. We can deliver bare enclosures (fabricated and painted, ready for your internal assembly) or fully assembled systems with breakers, busbars, الأسلاك, and testing. Specify your preference in the quotation request, and we will provide a detailed proposal covering component sourcing, assembly timeline, and testing documentation.
Enclosures are manufactured to IEC 61439-1/-2 متطلبات. We provide type-test documentation, material certificates, and dimensional reports. For full type-tested assembly certification, please discuss your specific requirements with our engineering team, as this involves additional testing and compliance procedures.
Standard production lead time is 15–25 days for bare enclosures. Fully assembled systems with breakers may require additional time depending on component availability. We provide a confirmed timeline with your quotation and offer expedited production for urgent projects.
