Table of Contents
Overview
The DFW Outdoor Intelligent Box-Type Switchgear is an advanced medium-voltage distribution unit designed for power distribution networks. It is widely utilized in urban and rural power grids, substations, industrial facilities, and renewable energy systems to ensure efficient, safe, and reliable electrical distribution.
This switchgear system features high insulation performance, modular design, and intelligent control capabilities, making it an ideal choice for modern smart grid applications.
Key Features
- High Voltage Capacity: Operates at 12kV, ensuring stability in medium-voltage applications.
- Compact & Modular Structure: Designed for space-saving installations in various environments.
- Fully Sealed & Insulated: Provides protection against moisture, dust, and environmental contaminants.
- Multi-Loop Configurations: Supports various power distribution schemes.
- Superior Safety Features: Includes short-circuit protection, lightning arresters, and overload safeguards.
- Low Maintenance & High Durability: Built with high-quality materials for 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 for non-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
The DFW Outdoor Intelligent Box-Type Switchgear is 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 the installation site meets grounding and safety requirements.
- Verify cable ducts and foundation preparations.
- Inspect all cable branch terminals and insulation components.
Installation Steps
- Prepare the Foundation: Ensure proper alignment and base reinforcement.
- Position the Switchgear Cabinet: Secure it using mounting brackets and bolts.
- Connect the Incoming & Outgoing Cables: Ensure proper insulation and safety clearances.
- Grounding Setup: Establish a safe earthing system for fault protection.
- Final Testing & Commissioning: Conduct voltage withstand tests, insulation resistance measurements, and functional checks.
Advantages of Our DFW Switchgear
- Enhanced Electrical Safety: Designed with advanced fault isolation mechanisms.
- Modular & Scalable Configuration: Supports various circuit arrangements.
- Weather-Resistant & Durable: Built for harsh outdoor conditions.
- Seamless Smart Grid Integration: Compatible with SCADA and remote monitoring systems.
Ordering Information
To customize your DFW 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.)
