- تفسير النموذج الكامل
| Model Part | وصف | Details |
| CVS | سلسلة المنتجات | EasyPact CVS series MCCB, for distribution protection and motor protection |
| 250 | Frame Current | 250A frame size, suitable for rated current range 100~250A |
| ف | Breaking Capacity Class | 36kA@415V AC, standard breaking capacity (N=50kA, H=70kA optional) |
| 3ص | عدد البولنديين | 3-قاطع الدائرة القطبية, for three‑phase circuit protection |
| 250أ | التصنيف الحالي | Rated operational current 250A (at 40℃), adjustable thermal‑magnetic trip 175~250A |
| تم-د | نوع وحدة الرحلة | Thermal‑magnetic trip (TM), D‑type adjustable (long‑time delay adjustable) |
| LV525333 | Official Part Number | Standard SKU corresponding to CVS250F-3P-250A |
- Key Technical Specifications
| غرض | قيمة | ملحوظات |
| الجهد المقنن (Ui/Ue) | 690V/415V AC 50/60Hz | Compatible with global mainstream voltage systems |
| التصنيف الحالي (Iu/In) | 250A/250A (40درجه مئوية) | Thermal‑magnetic trip adjustable range: 175~250A |
| كسر القدرة (Icu/Ics) | 36kA/36kA (415V) | Ics=100%Icu; 70kA@220/240V AC |
| الدافع المقدر لتحمل الجهد (امب) | 8كيلو فولت | Complies with EN/IEC 60947-2 |
| Instantaneous Trip Current (ثانيا) | 2000أ | Fixed value for short‑circuit protection |
| Mechanical/Electrical Endurance | 20,000 / 10,000 العمليات | At 415V In, complies with IEC 60947-2 |
| Degree of Protection | IP40 | Dust‑tight and splash‑proof, suitable for industrial environments |
| Connection Type | Front wiring / Rear wiring | Flexible for various installation requirements |
| أبعاد (العرض × الارتفاع × العمق) | 105×226×86mm | تصميم مدمج, saves panel space |
| Pollution Class | 3 | Suitable for industrial pollution conditions |
- Core Product Advantages
- Comprehensive Protection: Thermal‑magnetic trip provides long‑time overload protection and instantaneous short‑circuit protection; long‑time delay adjustable (Ir=0.7~1.0In) for various load characteristics.
- High‑Reliability Breaking: 36kA high breaking capacity, Ics=100%Icu, ensures reliable fault interruption and equipment safety.
- Flexible Installation: Supports front/rear wiring; 3P/4P available, adaptable to different switchboard layouts.
- Eco‑Compliant: Green Premium certified, RoHS compliant, free of hazardous substances, meets sustainable development requirements.
- Easy Maintenance: تصميم وحدات, replaceable trip unit, convenient for maintenance and upgrade, reduces lifecycle cost.
- Enhanced Safety: Standard isolation function, improves operational safety, complies with IEC 60947-2 isolation requirements.
- Operating Principle
CVS250F-3P-250A uses thermal‑magnetic tripping protection:
- حماية الزائد (Long Time Delay): Bimetal strip bends under heat and triggers the trip mechanism. Delay decreases as current increases; Ir adjustable 175~250A.
- Short‑circuit Protection (لحظية): Electromagnetic coil generates strong magnetic force, attracts armature and triggers instant trip at fixed 2000A without delay.
- خاصية التعثر: يتوافق مع اللجنة الانتخابية المستقلة 60947-2, Category A for distribution protection, protects cables and equipment against overload and short‑circuit damage.
- التطبيقات النموذجية
- Industrial Power Distribution: Main protection for three‑phase power equipment in factories and workshops, such as air compressors, مضخات, المشجعين.
- المباني التجارية: Distribution mainline protection for offices, مراكز التسوق, الفنادق, ensuring power continuity.
- مراكز البيانات: Power protection for UPS systems and server racks, preventing overload/short‑circuit impact on critical loads.
- بنية تحتية: Electrical system protection for hospitals, المدارس, public facilities, ensuring public safety.
- Renewable Energy: AC‑side protection for PV inverters and energy storage systems, suitable for new energy applications.
- تثبيت & Operation Guidelines
- Environment: Install in dry area below 40℃, avoid moisture, corrosion, vibration; max installation altitude 2000m.
- Wiring: Use copper/aluminum conductors suitable for 250A (≥95mm² copper recommended), torque per Schneider specifications.
- Protection Coordination: Coordinate with downstream breakers/fuses to ensure selective protection and avoid non‑selective tripping.
- Setting: Adjust long‑time delay current Ir (175~250A) according to load for accurate protection.
- صيانة: Regularly check mechanism and terminals for looseness or overheating; full inspection at least once per year.
- Series Models & Alternatives
7.1 Full Model List – CVS250F Series (250A Frame)
| نموذج | Trip Type | التصنيف الحالي | Adjustable Range | Official SKU |
| CVS250F-3P-160A | تم-د | 160أ | 112~160A | LV525331 |
| CVS250F-3P-200A | تم-د | 200أ | 140~200A | LV525332 |
| CVS250F-3P-250A | تم-د | 250أ | 175~250A | LV525333 |
| CVS250F-3P-150A | MA | 150أ | مُثَبَّت | LV525439 |
| CVS250F-3P-220A | MA | 220أ | مُثَبَّت | LV525439 |
| CVS250F-4P-250A | تم-د | 250أ | 175~250A | LV525334 |
7.2 استبدال & Upgrade Options
| Demand | النموذج الموصى به | سمات |
| Standard Upgrade | CVS250N-3P-250A | Breaking capacity up to 50kA, for high short‑circuit risk |
| Electronic Trip | CVS250F-3P-250A ETS | Electronic trip unit with short‑time delay for critical loads |
| Earth Fault Protection | CVS250F-3P-250A Vigi | With Vigi residual current module (30mA~5A adjustable) |
| Domestic Alternative | CHINT NM1-250S/3300-250A | 36kA breaking, cost‑effective, similar performance |
| ABB Alternative | Tmax T2N250-3P-250A | International brand, close performance, global service |
CVS250F-3P-250A is a core product of Schneider EasyPact CVS series, integrating reliable protection, flexible installation and high cost‑performance. It is an ideal solution for industrial and commercial power distribution.
With 36kA breaking capacity, adjustable thermal‑magnetic trip and compact design, it adapts to a wide range of applications and safeguards both equipment and personnel.
Core Features of Schneider MCCB CVS250F-3P-250A
- Excellent Protection Performance
- Precise Thermal‑Magnetic Protection System
Adopts TM‑D adjustable thermal‑magnetic trip, long‑time protection range 175~250A (0.7~1.0In), suitable for various loads.
Fixed instantaneous short‑circuit trip at 2000A, fast fault interruption without delay, protects equipment from damage.
يتوافق مع اللجنة الانتخابية المستقلة 60947-2 Category A for distribution, effectively protects cables and equipment.
- Reliable Breaking Capacity
36kA@415V AC (Class F), Ics=100%Icu, ensures reliable fault interruption.
Up to 70kA at 220/240V AC, suitable for different voltage systems.
Double‑break arc extinguishing system improves current limitation and reduces thermal stress on the network.
- Comprehensive Safety Features
- Standard Isolation Function
يتوافق مع اللجنة الانتخابية المستقلة 60947-2 isolation requirements, can be used as a disconnecting device, improves operational safety.
Class II front panel, compatible with Class II switchboards without derating insulation.
- Operational Safety
Clear contact position indicator shows real‑time status.
Locking device available to secure in OFF position and prevent misuse.
| IP40 protection, suitable for industrial environments.
- Fault Indication
Optional SDE fault trip indicator for fast troubleshooting.
Excellent coordination with downstream devices for selective protection, avoids total outage.
- Flexible Installation & Easy Maintenance
- Versatile Installation
Supports front / rear wiring for various panel layouts.
Compact dimensions 105×226×86mm, saves cabinet space.
Same mounting as ComPacT series, easy for system upgrade.
- تصميم وحدات
Replaceable trip unit for easy maintenance and upgrade, reduces lifecycle cost.
Clip‑on accessories, plug‑and‑play, no special tools required.
3P/4P available for three‑phase and three‑phase four‑wire systems.
- Efficient Maintenance
الحياة الميكانيكية 20,000 العمليات, electrical life 10,000 العمليات (415V In).
Universal accessories across series, reduce inventory cost.
Adjustable long‑time current without replacing the breaker.
- موثوقية عالية & Durability
- Robust Mechanical Structure
Double‑break mechanism ensures high fault current limitation and stable performance.
| Shock and vibration resistant for harsh industrial environments.
Rated impulse withstand voltage 8kV, complies with EN/IEC 60947-2.
- Strong Environmental Adaptability
Rated ambient temperature 40℃, operating range -5℃~+60℃.
Suitable up to 2000m altitude without derating.
Pollution Class 3 for industrial conditions.
- Stable Electrical Performance
Rated insulation voltage 690V, operational voltage 415V, global compatibility.
Terminals accept copper/aluminum conductors, suitable for 95mm²+ cables for 250A.
Stable long‑term operation, low contact resistance, low power loss.
- Eco‑Compliance & Cost Efficiency
- Green Design
Green Premium certified, RoHS compliant, halogen‑free.
Low power consumption, supports energy saving.
- High Cost‑Performance
Balanced performance and cost, ideal for mass industrial and commercial use.
Low maintenance cost, high reliability, عمر خدمة طويل.
Universal accessories reduce total cost of ownership.
- Lifecycle Value
18‑month warranty.
Global service network for fast support.
Extensible with accessories (earth fault, اتصالات مساعدة, alarms).
- Key Application Adaptability
- Industrial Distribution: Main protection for pumps, المشجعين, compressors with heavy‑duty starting.
- المباني التجارية: Main and sub‑main distribution for offices, malls, الفنادق.
- مراكز البيانات: Protection for UPS, وحدات PDU, and critical power branches.
- بنية تحتية: المستشفيات, المدارس, public facilities requiring high safety and continuity.
As a core model of the Schneider EasyPact CVS series, CVS250F-3P-250A provides accurate protection, full safety, flexible installation, high reliability and excellent cost‑performance, making it the preferred choice for industrial and commercial power distribution systems.
المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية




















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