Table of Contents
Overview
TheDFW Outdoor Intelligent Box-Type Switchgearis an advancedmedium-voltagedistribution unitdesigned forpower distribution networks. It is widely utilized inurban and rural power grids, substations, industrial facilities, and renewable energy systemsto ensureefficient, safe, and reliableelectrical distribution.
Thisswitchgear systemfeatureshigh insulation performance, modular design, and intelligent control capabilities, making it an ideal choice for modernsmart grid applications.
Key Features
- High VoltageCapacity: Operates at12kV, ensuring stability inmedium-voltage applications.
- Compact & Modular Structure: Designed forspace-saving installationsin various environments.
- Fully Sealed & Insulated: Provides protection againstmoisture, dust, and environmental contaminants.
- Multi-Loop Configurations: Supportsvarious power distribution schemes.
- Superior Safety Features: Includesshort-circuit protection, lightning arresters, and overload safeguards.
- Low Maintenance & High Durability: Built withhigh-quality materialsfor extended service life.
Environmental Conditions for Product Use
| Condition | Specification |
|---|---|
| Altitude | ≤1000 m |
| Maximum Ambient Temperature | +40°C |
| Minimum Ambient Temperature | -25°C |
| Maximum Daily Temperature Difference | 25K |
| Relative Humidity (Indoor) | Daily Average ≤95%, Monthly Average ≤90% |
| Earthquake Resistance | 0.2g horizontal acceleration, 0.1g vertical acceleration |
| Installation Environment | Free of gas, steam, dust, corrosive chemicals |
| Grounding System | Suitable fornon-grounding systems and 10kV grounded systems |
Main Technical Parameters
| Serial Number | Name | Unit | Load Switch Cabinet | Combination Electrical Cabinet |
| 1 | Rated Voltage | kV | 12 | 12 |
| 2 | Rated Frequency | Hz | 50 | 50 |
| 3 | Rated Current | A | 630 | 200 |
| 4 | Rated Load Break Current | A | 630 | 630 |
| 5 | Rated Short-Term Withstand Current | kA | 20 | 20 |
| 6 | Rated Short Circuit Duration | s | 3 | 3 |
| 7 | Rated Peak Withstand Current | kA | 50/63 | 50/63 |
| 8 | Closed Loop Break Current | A | 630 | 630 |
| 9 | Rated Cable Charging & Disconnection Current | A | 25 | 25 |
| 10 | Rated No-Load Transformer Break Current | A | 16 | 16 |
| 11 | Rated Switch Current | A | 1750 | 1750 |
| 12 | Fuse Expected Short Circuit Breaking Current | kA | 63 | 63 |
| 13 | Ground Switch Withstand Current | kA/1s | 25 | 25 |
| 14 | Rated Current Break Times | Times | ≥200 | ≥200 |
| 15 | Mechanical Life | Times | ≥2000 | ≥2000 |
| 16 | SF6 Gas Annual Leakage Rate | % | Not more than 1% | Not more than 1% |
Structural & Installation Diagram
Applications
TheDFW Outdoor Intelligent Box-Type Switchgearis suitable for:
- Power Transmission & Distribution Networks
- Substations & Industrial Facilities
- Urban & Rural Power Grids
- Renewable Energy Projects (Wind & Solar Farms)
- Underground & Overhead Cable Networks
Installation Guidelines
Pre-Installation Checklist
- Ensure theinstallation site meets grounding and safety requirements.
- Verifycable ducts and foundation preparations.
- Inspect allcable branch terminals and insulation components.
Installation Steps
- Prepare the Foundation:Ensure properalignment and base reinforcement.
- Position the Switchgear Cabinet:Secure it usingmounting brackets and bolts.
- Connect the Incoming & Outgoing Cables:Ensureproper insulation and safety clearances.
- Grounding Setup:Establish asafe earthing systemfor fault protection.
- Final Testing & Commissioning:Conductvoltage withstand tests, insulation resistance measurements, and functional checks.
Advantages of Our DFW Switchgear
- Enhanced Electrical Safety:Designed withadvanced fault isolation mechanisms.
- Modular & Scalable Configuration:Supportsvarious circuit arrangements.
- Weather-Resistant & Durable:Built forharsh outdoor conditions.
- Seamless Smart Grid Integration:Compatible withSCADA and remote monitoring systems.
Ordering Information
To customize yourDFW Outdoor Intelligent Box-Type Switchgear, please provide:
- Rated Voltage & Current Requirements
- Branch & Loop Configurations
- Enclosure Material & Protection Level
- Additional Accessories (Lightning Arresters, Fault Indicators, etc.)
