Primary and Secondary Fusion Complete Ring Main Unit
Product Description
The XGW□-12/HXGW□-12/XGWA-12 outdoor switching station adopts advanced foreign technology, integrating 12kV switchgear, circuit breakers, load switches, current transformers, voltage transformers, distribution terminals, communication control terminals, metering terminals, UPS power supplies, and indicating instruments into a moisture-proof stainless steel enclosure. It achieves system integration and modular assembly of primary and secondary distribution networks, shortening construction periods and improving the operational reliability of urban distribution networks.
Suitable for small secondary distribution stations, switching stations, residential areas, enterprises, railways, and other power distribution systems.
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Product Advantages
The enclosure is assembled from materials such as stainless steel, SMC, GRC, or aluminum-zinc coated steel, featuring sealing, moisture-proof, and anti-corrosion properties, offering high mechanical strength and excellent corrosion resistance.
Electrical equipment uses imported or domestic high-quality products, ensuring a service life of no less than 20 years.
The connections between the base, frame, door, walls, and roof of the enclosure adopt a labyrinth plate structure, providing waterproof, dustproof, and small animal intrusion prevention, ensuring reliable operation of electrical equipment.
Modular design allows for flexible combination, with convenient and flexible cable entry and exit.
Equipped with DTU for intelligent control of the switching station/ring main unit.
Primary and Secondary Fusion Complete Ring Main Unit
XGW□-12/HXGW□-12/XGWA-12
Technical Specifications
| Item | XGW□-12/ SF6 Insulated Ring Main Unit | HXGW□-12 Solid Insulated Ring Main Unit | XGWA-12 Eco-Friendly Gas Insulated Ring Main Unit | |
| Rated Voltage kV | 12 | 12 | 12 | |
| Rated Current A | 630 | 630 | 630 | |
| Rated Frequency Hz | 50 | 50 | 50 | |
| Rated Short-Circuit Breaking Current kA | 20/25 | 20 | 20 | |
| Rated Power-Frequency Withstand Voltage | Phase-to-Ground/Phase-to-Phase kV | 42 | 42 | 42 |
| Across Open Contacts kV | 48 | 48 | 48 | |
| Rated Lightning Impulse Withstand Voltage Peak | Phase-to-Ground/Phase-to-Phase kV | 75 | 75 | 75 |
| Across Open Contacts kV | 85 | 85 | 85 | |
| Rated Short-Time Withstand Current and Duration kA/s | 20/4, 25/4 | 20/4 | 20/4 | |
| Rated Peak Withstand Current kA | 50 | 50 | 50 | |
| Rated Short-Circuit Making Current kA | 50 | 50 | 50 | |
| Protection Rating | IP43 | IP43 | IP44W |
DTU Technical Specifications
| Item | Configuration |
| Power Supply | AC/DC220V + Backup Power |
| AC/DC110V + Backup Power | |
| Maximum Monitoring Capacity | Digital Input Channels: 105 |
| AC Analog Input Channels: 56 | |
| DC Analog Input Channels: 2 | |
| Digital Output Channels: 34 | |
| Line/Switch Monitoring Quantity: 16 | |
| Communication Interfaces | 2 Ethernet Ports, 4 RS232/RS485 Ports |
| DLT634.5101, DLT634.5104, ModBUS, DNP3.0 | |
| Relay Protection | Phase-to-Phase Short Circuit and Single-Phase Ground Fault Monitoring |
| Three-Stage Three-Phase Overcurrent and Two-Stage Zero-Sequence Overcurrent, Reclosing, Post-Acceleration | |
| Fault Recording | Sampling Frequency: 6.4kHz, 1128 Points/Cycle |
| Configurable Number of Cycles, Comtrade 1999 Standard Format | |
| Historical Data Storage | Sequence of Events Recording, Remote Control Operation Recording |
| Load Curve, Fixed-Point and Extreme Value Recording | |
| Fault Recording Records | |
| Information Security | Dedicated Security Chip Hardware Encryption |
| X.509 Standard Format SM2 Digital Certificate | |
| Performance Indicators | Analog Accuracy: Voltage/Current 0.5%, Others 1% |
| Remote Signal Resolution: 2ms |
Product Dimensions and Packaging
| Name | Outdoor Box-Type Switching Station (Example: Three-Interval Combined Cabinet) |
| Equipment Dimensions | 1700*1100*2000 |
| Packaging Method | Wood-Steel Edge Box |
| Packaging Dimensions (mm) | 2000*1500*2200 |
| Packaging Weight (kg) | 1000 |
| 20ft Container Capacity (L*W*H: 5.89*2.39*2.69m) | 3 |
| 40ft Container Capacity (L*W*H: 12.03*2.35*2.69m) | 6 |
