T: +86-180-67981129
E:sales@pino-electric.com
E:sales@pino-electric.com
Makou Industrial Park, Yongxiu County, Jiujiang city, Jiangxi Province, China
Switchgear (ring main unit) is designed specifically for distribution networks and plays an important role in power distribution, control, and protection. The cabinet is made of high-quality materials and equipped with advanced electrical components, which can achieve flexible distribution and precise control of medium voltage power, ensuring stable and efficient operation of the power supply system.
Product Advantages and Features
1. High reliability design: Key electrical components are selected from internationally renowned brands, with an average fault free working time of over 50000 hours, greatly reducing the occurrence of failures and ensuring power supply reliability.
2. Compact modular structure: Adopting a modular design concept, the volume is reduced by 30% compared to traditional switchgear, occupying a small area and making it easy to install and maintain. Each module can be flexibly combined to meet different project requirements.
3. Excellent insulation performance: Utilizing advanced solid insulation technology, the insulation level reaches over 20kV, effectively preventing internal discharge and ensuring stable operation even in harsh environments, safeguarding personal and equipment safety.
Intelligent monitoring function: Equipped with an intelligent monitoring system, it can monitor operating parameters in real time, such as current, voltage, temperature, etc., achieve remote control and fault warning, facilitate timely handling of abnormal situations, and improve operation and maintenance efficiency.
Technical Parameter
No. | Name | Unit | Standard Parameter Values |
1 | Rated Operational Voltage | KV | 12 |
2 | Rated Short-Time Power Frequency Withstand Voltage | KV | 48 |
3 | Rated Lightning Impulse Withstand Peak Value (Fracture) | KV | 85 |
4 | Rated Current | A | 630 |
5 | Rated Frequency | Hz | 50 |
6 | Closing Operation Voltage (Maximum/Rated/Minimum) | V | DC52.8/48/40.8 |
7 | Opening Operation Voltage (Maximum/Rated/Minimum) | V | DC52.8/48/31.2 |
8 | Rated Short Circuit Breaking Current | KA | 20 |
9 | Peak Rated Short-Circuit Closing Current | KA | 50 |
10 | Rated Short-Time Withstand Current Duration | S | 4 |
11 | Rated Short-Time Withstand Current | KA | 20 |
12 | Rated Short-Time Withstand Current Peak Value | KA | 50 |
13 | Rated Short-Time Power Frequency Withstand Voltage | KV | 42 |
14 | Peak Rated Lightning Impulse Withstand Voltage | KV | 75 |
15 | Rated Inflation Pressure Of Dry Air (Gauge Pressure At 20 ℃) | Mpa | 0.02 |
16 | Minimum Functional Pressure Of Dry Air (Gauge Pressure At 20 ℃) | Mpa | 0.01 |
17 | Rated Arc Fault Current | KA | 20 |
18 | Rated Arc Fault Duration | S | 1 |
19 | Box Board | 304 Stainless Steel (Can Be Customized According To The Requirements Of The Project Unit) | |
20 | Box Size | Customizable |
Application Scenarios
1. Urban power distribution network: In urban power grid renovation projects, it can be flexibly arranged in various corners of the city to achieve efficient distribution and management of medium voltage power, and improve the reliability of urban power supply.
2. Industrial Park: Meeting the medium voltage electricity demand of a large number of industrial equipment in the industrial park, reliable power supply guarantees help enterprises stabilize production and improve production efficiency.
3. Commercial complex: providing stable medium voltage power for commercial places such as shopping malls and office buildings, ensuring the normal operation of lighting, air conditioning, elevators and other equipment, and creating a comfortable commercial environment.
