
Metal Enclosed Sf6 Insulated Electrical Switchgear for Power Distribution
It is suitable for three-phase AC 50HZ, rated voltage 40.5KV indoor complete power distribution device. It is mainly used as power distribution, power transmission and large high-voltage motors of power plants, industrial and mining enterprises and institutions, power distribution and secondary substations of power systems Start and other places for control, protection and monitoring purposes.
Description
Faced with economic globalization, we are determined to become a leader in the AC Metal Enclosed Switch Cabinet, metal-sealed switchgear, Low Voltage Distribution Switchgear industry and surpass ourselves. We sincerely hope to cooperate with you, share success together, and forge ahead firmly to a more brilliant future. With the concept of 'Customer First', we wholeheartedly provide our customers with high-quality products and efficient services. Relying on the management policy of 'ruling the enterprise by virtue and putting people first', we have widely absorbed elites from all walks of life. We have formed a good reputation among users in the industry with 'products that give you peace of mind, prices that make you satisfied, and services that move you', and have been universally recognized by users. It is our work style to strive for perfection in every work link, it's our duty to meet customer needs, and it's our values to exceed customer expectations. At present our sales network is growing continually, improving service quality to meet customer's demand.
It is suitable for three-phase AC 50HZ, rated voltage 40.5KV indoor complete power distribution device. It is mainly used as power distribution, power transmission and large high-voltage motors of power plants, industrial and mining enterprises and institutions, power distribution and secondary substations of power systems Start and other places for control, protection and monitoring purposes.
Technical Parameters
1.Rtaed Voltage: 40.5kv
2.Rated Current:2500A/630A
3.Temperature rise current:1.1Ir
4.Rated power frequency 1min withstand voltage (phase to ground):95kV
5.Peak value of rated lightning impulse withstand voltage (1.2 ÷ 50s) (phase to ground):185kV
6.Rated short-circuit breaking current:31.5kV
7.Rated short-circuit making current:80kA
8.Rated short-time withstand current and duration:31.5/4 25/4 kA/s
9.Rated peak withstand current:80kA
10.Short time power frequency withstand voltage of auxiliary and control circuit:2kV
Advantage
1.40.5kV switchgear is simple in structure,convenient in maintenance and convenient in overall layout and operation;
2.The supporting interlocking action is stable and reliable;
3.Wide use;
4.Reliable performance;
Configuration information
The standard configuration of the switchgear cabinet includes: housing, shutter mechanism, trolley guide rail and rail interlocking mechanism, each component mounting plate or mounting beam, casing plate (aluminum plate or steel plate),door plate, hinge, door lock, viewing window (tempered glass), cable hoop, cable sealing ring, etc.

| Rated Voltage | kV | 40.5 | ||
| Rated Current | A | 2000 | ||
| Rated Capacity | Hz | 50 | ||
| Rated short circuit breaking current | AC component | kA | 31.5 | |
| Hundred current component | % | 51 | ||
| Rated short circuit breaking current | ms | 45 | ||
| Rated short circuit making current | kA | 80 | ||
| Rated peak withstand current | kA | 80 | ||
| Rated short time withstand current | kA | 31.5 | ||
| Rated short circuit duration | s | 4 | ||
| Rated short time power frequency withstand voltage | Dry Type | kV | 95 | |
| Wet Type | kV | |||
| Rated lightning impulse withstand voltage | kV | 185 | ||
| Rated operating impulse withstand voltage | kV | |||
| Rated charging pressure for breaking and insulation | Mpa | |||
| Rated supply voltage of operating mechanism | V | DC220 | ||
| Rated operation sequence | O-0.3s-CO-180s-CO | |||
| First upgrade coefficient | 1.5 | |||
| Mechanical life | Time | VCB 50,Earthing Switch 2000 | ||
| Protection level | Out Enclosure :IP4X | |||
| Closing speed / opening speed | m/s | 0.5-0.9/1.2-1.6 | ||
| Closing time | ms | 30--75 | ||
| Opening time | ms | 20--55 | ||

We strictly control product quality, making our Metal Enclosed Sf6 Insulated Electrical Switchgear for Power Distribution sell well abroad. Our company is working hard to develop into a professional, large-scale, international and modern enterprise. Since its establishment, our company has always adhered to customer demand and satisfaction as the focus, with assured products and thoughtful service to repay customers.
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