Electrical parameters
Confirm rated voltage, current, frequency, short-circuit duty, insulation levels and operating sequence.
قاطع مدار فراغي
نظرة عامة
محول الفراغ
ZW20-12/630-20 Vacuum Circuit Breaker for Medium-Voltage Switching
ZW20-12/630-20 Vacuum Circuit Breaker is presented for medium-voltage switching and protection projects. The authenticated supplier source provides product-specific construction notes and technical rows where published; use the exact model and installation duty for final selection.
- Product family
- Vacuum switching
- Installation duty
- Medium voltage
- مقياس المرجع
- ZW20-12/630-20
- Final rating
- تأكيد بالرسم
The page keeps the supplier’s model identity and source tables where available. Confirm the applicable IEC/GB standard, rated voltage, current, breaking capacity and project acceptance documents before ordering.
Published technical data
ZW20-12/630-20 Vacuum Circuit Breaker Technical Parameters
Use the source data below as the starting point for engineering review. Keep voltage class, continuous current, short-circuit duty, operating mechanism and installation environment together when selecting a breaker.
Published source table 1
| No | Descriptions | unit | Standard parameter values | ||
| 1.1 | قاطع مدار فراغي | ||||
| 1.1.1 | Model No | ZW20-12 | |||
| 1.1.2 | Switching structure | Transformer form | External or internal | ||
| Insulating Material | A:Epoxy resin outsourced silicone rubber | ||||
| B:Outdoor epoxy resin | |||||
| 1.1.3 | Insulating and extinguishing media | SF6, Vacuum | |||
| 1.1.4 | Rated Voltage | كيلوفولت | 12 | ||
| 1.1.5 | Rated Current | A | 630 | ||
| 1.1.6 | Rated cable charging and breaking current | A | 20 | ||
| 1.1.7 | Rated short-circuit breaking current | كا | 12.5, 16, 20 | ||
| 1.1.8 | Temperature rise test current | 1.1Ir | |||
| 1.1.9 | Rated frequency 1 min withstand voltage | To earth/Between | كيلوفولت | 42 | |
| Across the base | كيلوفولت | 48 | |||
| 1.1.10 | Rated lightning impulse withstand voltage(1.2/50μs)Peak value | To earth/Between | كيلوفولت | 75 | |
| Across the base | كيلوفولت | 85 | |||
| 1.1.11 | Rated short-time withstand current and duration | kA/s | 20/3 | ||
| 1.1.12 | Rated peak withstand current | كا | 50 | ||
| 1.1.13 | Rated short-circuit breaking current | كا | 20 | ||
| 1.1.14 | Rated short-circuit closing current | كا | 50 | ||
| 1.1.15 | Main circuit resistance | μΩ | 80 | ||
| 1.1.16 | Mechanical stability | times | ≥10000 No load | ||
| 1.1.17 | Minimum creepage distance for external insulation | مم | 372 | ||
| 1.1.18 | Rated short-circuit breaking current breaking times | times | ≥30times | ||
| 1.1.19 | Closing and opening not synchronized | ms | ≤2 | ||
| 1.1.20 | Contact closing bounce time | ms | ≤2 | ||
| 1.1.21 | Partial discharge（1.1Ur） | pC | ≤20 | ||
| 1.2 | Operating Mechanism | ||||
| 1.2.1 | Type or model of actuator | Spring or permanent magnet mechanism | |||
| 1.2.2 | Operating Method | Motorized with manual operation | |||
| 1.2.3 | Motor Voltage | V | Conventional DC220 | ||
| 1.2.4 | Auxiliary contact capacity | DC24V、10A | |||
| 1.2.5 | DC resistance of telecommunication circuit | After 100times operations＜1Ω | |||
| 1.3 | Transformer combination mode | Includes current transformers, electronic zero sequence voltage transformers, and electromagnetic voltage transformers or other models.. | |||
| 1.4 | Current Transformer | ||||
| 1.4.1 | Rated current ratio | (1) Phase current: 600A/5A
(2) Zero sequence current: 100A/1A |
|||
| 1.4.2 | Accuracy Level | (1) phase current: protection class 5P10
(2) Zero sequence current: use 100A/1A Protection Class 10P30. |
|||
| 1.4.3 | Implementation method | Electromagnetic | |||
| 1.4.4 | Temperature range | -40℃～70℃ | |||
| 1.5 | Electromagnetic voltage transformers | ||||
| 1.5.1 | Rated Voltage Ratio | Zero sequence voltage: (10kV/)/( 6.5V/3) | |||
| 1.5.2 | Accuracy Level | Zero sequence voltage: 3P level | |||
| 1.5.3 | Temperature range | -40℃~70℃ | |||
| 1.5.4 | Partial discharge | Pc | ≤20 (1.1Um) | ||
| 1.5.5 | Load Impedance | ≥2MΩ | |||
| 1.6 | Electromagnetic voltage transformers (external) | ||||
| 1.6.1 | Quantities | Pc | 1 or 2 optional | ||
| 1.6.2 | Rated Voltage Ratio | Line voltage measurement: 10kV/0.1kV
Supply voltage: 10kV/0.22kV |
|||
| 1.6.3 | Accuracy level | Measuring voltage winding: 0.5 level
Supply voltage winding: 3 levels |
|||
| 1.6.4 | Capacity (VA) | Measuring voltage winding: ≥10VA
Supply voltage winding: long-term capacity ≥ 50VA, short-time capacity ≥ 300VA/30s |
|||
| 1.7 | Mechanical property | ||||
| 1.7.1 | contact opening distance | مم | 9±1 | ||
| 1.7.2 | contact overtravel | مم | 3.5±0.5 | ||
| 1.7.3 | Average closing speed | m/s | 0.4-0.8 | ||
| 1.7.4 | Average gate opening speed | m/s | 1.0-1.4 | ||
| 1.7.5 | Closing time | مم | ≤60 | ||
| 1.7.6 | Split time | Ms | ≤ 45 | ||
| 1.7.7 | Closing Bounce Time | Ms | ≤2 | ||
| 1.7.8 | Three-phase switching non-synchronous | Ms | ≤2 | ||
| 1.7.9 | Interphase center distance | مم | 280 ±1.5 | ||
| 1.8 | Enclosure protection class | Not less than IP65 | |||
| 1.10 | Box Material | 304 or hot rolled steel | Support for surface treatment | ||
| 1.11 | Secondary equipment | ||||
| 1.11.1 | Intelligent Control Terminal | Support remote local, three protection, three remote, reclosing, SOE, can also be equipped with the statute of the communication connection backstage real-time monitoring, adjusting, issuing fixed value and other configurations, other requirements to inform when ordering | One or two times are connected by aviation plug-in, without external wiring. | ||
Values shown are transcribed from the target listing where the authenticated source publishes them. Confirm the exact model row, unit, test condition and revision before using any value in a purchase specification.
قائمة التحقق من الاختيار
Specify the Vacuum Circuit Breaker for the Network
- Define the electrical duty. State rated voltage, continuous current, frequency, short-circuit breaking current, making current and insulation levels.
- Choose the construction. Confirm outdoor or indoor installation, common-box or pole-mounted arrangement, vacuum interrupter and insulation medium.
- Match the operating mechanism. Specify manual, motor or stored-energy operation, trip/close coil voltage, auxiliary contacts and control interface.
- Check the site environment. Provide altitude, ambient temperature, humidity, pollution, wind, seismic and enclosure requirements.
- قائمة الوثائق والكمية. Include drawings, wiring diagram, routine-test evidence, packing, destination market and delivery requirements in the RFQ.
الحدود الخاصة بالتكوين والإمداد
Review the ZW20-12/630-20 Configuration
The supplier listing identifies a vacuum-circuit-breaker model family. State the exact model code and switching arrangement so the quotation does not mix ratings or accessories from another series.
Mechanism and controls
Specify stored-energy mechanism, motor and coil voltages, auxiliary contacts, interlocks and local/remote control.
Structure and environment
Confirm pole arrangement, insulation housing, enclosure, altitude, temperature, pollution and installation interface.
الحدود التجارية
Quantity, packing, delivery schedule, private label and project documents remain subject to technical review and quotation.
حجم الشركة
فورتو بإيجاز
تُذكر FUERTE عام 1985 باعتباره عام تأسيسها، كما تُذكر وجود أكثر من 220 موظفاً وتخطيط مساحة تبلغ 36,000 متر مربع. وتوفر هذه الأرقام التي نشرها الموردون السياق اللازم لتصنيع المشروع ودعمه.
- عمليات المصنع
- التجربة والتفتيش
- دعم التصدير
1985
تأسست في
تاريخ الشركة حسبما نشرته الشركة
220+
الموظفون
قياس القوة العاملة المنشورة
36,000 متر مربع
منطقة المبانى
التواجد المكتبي المعتمد
التصنيع باستخدام التصميم الخاص بالعميل
دعم ODM
خاضعاً لمراجعة فنية
قدرة التصنيع حسب الطلب (OEM) وODM
Custom Support for Vacuum-Breaker Projects
يتضمن نطاق أعمال FUERTE المطبوعة في مجال تصنيع المعدات الأصلية والتصنيع بالتوافق مع العلامة التجارية، تركيب الأجهزة، لوحات الاسم، التغليف، وعلامات الشحن.
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Electrical configurationReview voltage class, current rating, insulation levels and service conditions.
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واجهة ميكانيكيةConfirm pole structure, operating mechanism, fittings and mounting dimensions.
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وثائق المشروعState drawings, wiring, marking, packing, shipping marks and acceptance-document requirements before quotation.
الأسئلة الشائعة
ZW20-12/630-20 Vacuum Circuit Breaker FAQ
Which values should be matched first?
Start with rated voltage, continuous current, short-circuit breaking capacity, insulation levels, operating sequence and installation environment.
Are ratings interchangeable between vacuum-breaker series?
No. Confirm the exact model code and source table. Do not transfer ratings, dimensions or accessories from a similar-looking series.
Can the controls and fittings be customized?
تُصدر FUERTE نسخة من معدات التركيب ومواصفات المشروع كخدمة OEM/ODM. وتعتمد التوافر على المراجعة الفنية.
ما الذي يجب تضمينه في طلب عرض الأسعار؟
State model, rated voltage, current, breaking duty, mechanism and coil voltages, mounting interface, quantity, destination and required documents.
استعراض التكوين
Send the ZW20-12/630-20 Requirements
Provide rated voltage, current, breaking duty, insulation levels, mechanism, dimensions, mounting details, quantity, destination market and required documents.
المنتجات ذات الصلة
طلب عرض أسعار مخصص
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