Product Description
AXD HB-12 Eco-Friendly Gas Insulated Metal-Enclosed Switchgear
AXDHB-12 is a 12kV medium voltage switchgear designed for smart distribution networks. Featuring compact structure, environmentally friendly gas insulation, high safety interlocking, and maintenance-free operation, it enables reliable power distribution and remote monitoring in modern substations and commercial applications.
The AXD HB-12 represents the latest generation of environmentally friendly ring main units. It enables remote monitoring, control, and management of distribution networks, supporting grid optimization, electrical safety, energy management, and loss reduction.
The system is widely applied in transportation, factories, hospitals, schools, commercial buildings, residential communities, and smart distribution networks. By introducing advanced manufacturing equipment and realizing localized production, AXDHB-12 significantly reduces production costs and delivery time.
Operating Conditions
Altitude: ≤ 2000 m
Ambient temperature: -40°C to +40°C (24h avg ≤ +35°C)
Relative humidity: 24h average ≤ 95%, Monthly average ≤ 90%
Environment: Free from explosive/corrosive gases; no severe vibration
Earthquake resistance: Up to intensity level 8
Product Structure & Interface
Ammeter and microprocessor-based protection unit
Live-line indicator with secondary phase-checking interface
Visible isolation window for switch status
Locking mechanisms to prevent unauthorized operation
Gas pressure gauge for real-time monitoring
Complete cabinet door interlocking for safety
Applicable Standards
The AXDHB-12 complies with major national and industry standards:
• GB/T 11022, GB 3906, GB 1984, GB 1985, GB 3804, GB 16926
• DL/T 404, JB/T 3855, GB 4208 (IP Code)
• IEC-related standards for metal-enclosed switchgear and control equipment
Product Parameters
| Item |
Unit |
Circuit Breaker |
Load Switch |
| Rated voltage | kV | 12 | 12 |
| Rated current | A | 630 | 630 |
| Rated frequency | Hz | 50 | 50 |
| Power frequency withstand voltage (phase-to-ground) | kV | 42 | 42 |
| Lightning impulse withstand voltage (phase-to-ground) | kV | 75 | 75 |
| Rated short-circuit breaking current | kA | 20 | – |
| Rated short-circuit making current | kA | 50 | 50 |
| Rated short-time withstand current | kA | 20 | 20 |
| Rated peak withstand current | kA | 50 | 50 |
| Annual gas leakage rate | – | ≤ 0.01% | ≤ 0.01% |
| Mechanical life | Operations | 10,000 | 10,000 |
* The above parameters fully comply with technical specifications for 12kV Class II grounding systems.
Application & Configuration
When used with AXDHB-12 12kV cable accessories, the system supports:
- Three-cable connection configurations
- Two-cable plus surge arrester configurations
- Class I: Neutral grounded through low resistance
- Class II: Neutral grounded through arc suppression coil
Detailed Gallery
Frequently Asked Questions
Q1: Are you a manufacturer or a trading company?
A: We are a professional manufacturer specializing in power distribution equipment, with our own production facilities and R&D team.
Q2: What voltage levels do your products cover?
A: We offer medium and low voltage equipment, typically up to 35kV.
Q3: Can you provide customized solutions?
A: Yes, we support full customization based on project requirements and technical drawings.
Q4: What certifications do your products have?
A: Our products comply with IEC standards and have certifications such as ISO, CE, and CCC.
Q5: How do you ensure product quality?
A: We have strict quality control processes from raw materials to final inspection, and all products are tested before shipment.
Q6: What is your typical delivery time?
A: Normally 15–30 days depending on order quantity and specific customization requirements.