High Voltage Outdoor Intelligent Switch Box - China Factory Suppliers for Reliable Power Distribution Solutions
Type Designation

| 1 | Cable Distribution Box with Switches |
| 2 | Number of Incoming Circuits |
| 3 | Number of Outgoing Circuits |
| 4 | Number of Branch Circuits |
| 5 | Branch Circuits with Switches |
| 6 | Number of Switches in Branch Circuits: May omit if only one switch |
Key Features
- 1Safe & Maintenance-Free: Fully sealed and insulated with touchable silicone rubber cable heads, ensuring personal safety and long-term reliability.
- 2Durable Design: Compact stainless steel double-layer enclosure with an aesthetic finish, offering a service life exceeding 20 years.
- 3Minimized Downtime: Enables regional power maintenance without disrupting the main grid, significantly reducing outage scope.
- 4Flexible Configuration: Supports one or more SF6 load switches with versatile wiring modes—up to 8 branch circuits for maximum adaptability.
- 5Enhanced Protection: Optional lightning arresters, fault indicators, and current-limiting fuses to meet diverse user requirements.
Product Display
Technical Parameters
| No. | Name | Unit | Technical Requirement | ||
| Load Switch Cabinet | Combined Electrical Apparatus Cabinet | ||||
| 1 | Rated Voltage | kV | 12 | ||
| 2 | Rated Frequency | Hz | 50 | ||
| 3 | Rated Current | A | 630 | 200 | |
| 4 | Rated Load Breaking Current | A | 630 | 630 | |
| 5 | Rated Short-Time Withstand Current (RMS) | kA | 20kA | ||
| 6 | Rated Short-Circuit Duration | S | 3s | ||
| 7 | Rated Peak Withstand Current | kA | 50/63 | ||
| 8 | Loop Closing Breaking Current | A | 630 | ||
| 9 | Rated Cable Charging Breaking Current | A | 25 | ||
| 10 | Rated No-Load Transformer Breaking Current | A | 16 | ||
| 11 | Rated Transfer Breaking Current | A | 1750 | ||
| 12 | Fuse Prospective Short-Circuit Breaking Current (RMS) | kA | 63 | ||
| 13 | Earthing Switch Short-Time Withstand Current / Duration | kA | 25kA/1s | ||
| 14 | Rated Current Breaking Operations | each time | ≥200 | ||
| 15 | Mechanical Life | each time | ≥2000 | ||
| 16 | SF6 Gas Annual Leakage Rate | ≤1% | |||
| 17 | 1min Power Frequency Withstand Voltage (RMS) | Across Isolating Distance | kV | 48 | |
| Between Phases | kV | 42 | |||
| Phase-to-Ground | kV | 42 | |||
| Lightning Impulse Withstand Voltage (Peak) | Across Isolating Distance | kV | 85 | ||
| Between Phases | kV | 75 | |||
| Phase-to-Ground | kV | 75 | |||
| 18 | Spring Operating Mechanism | Manual Operation, Upgradeable to Motorized | |||
| 19 | Operating Voltage | V | DC 48V AC 220V | ||
| 20 | External Insulation Creepage Distance | mm/kV | ≥20 | ||
| 21 | Opening Time Difference | ms | <5 | ||
| 22 | Closing Time Difference | ms | <5 | ||
| 23 | Main Circuit Resistance | uΩ | <140 | ||
| 24 | Enclosure Protection Level | IP4X | |||
Foundation Installation Drawing (For Reference)
Frequently Asked Questions
Q What is the rated voltage of the DFW Outdoor Intelligent Cable Distribution Box?
The rated voltage of the DFW Outdoor Intelligent Cable Distribution Box is 12 kV, making it suitable for medium-voltage power distribution networks.
Q How many branch circuits can the DFW Cable Distribution Box support?
The DFW Cable Distribution Box supports up to 8 branch circuits, providing flexible configuration options to meet a wide range of power distribution requirements.
Q What is the expected service life of the DFW Outdoor Intelligent Box?
Thanks to its compact stainless steel double-layer enclosure design, the DFW Outdoor Intelligent Box offers a service life exceeding 20 years, ensuring long-term reliability with minimal maintenance.
Q What is the SF6 gas annual leakage rate for this equipment?
The SF6 gas annual leakage rate is ≤1%, ensuring stable insulation performance and environmental safety over the product's full service life.
Q Can the spring operating mechanism be upgraded to motorized operation?
Yes. The standard spring operating mechanism supports manual operation and can be upgraded to motorized operation, allowing for remote control and automation integration as needed.
Q What optional protection accessories are available for the DFW Cable Distribution Box?
The DFW Cable Distribution Box supports optional accessories including lightning arresters, fault indicators, and current-limiting fuses, enabling enhanced protection tailored to specific installation environments and user requirements.







Claire
Mr.Fu

Claire









