Quality Galvanized Electrical Medium Voltage Switchgear for Project China Suppliers

Quality Galvanized Electrical Medium Voltage Switchgear for Project China Suppliers

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

Looking forward to the future, we will be more active to meet the challenges of the market and provide our customers with competitive, practical and efficient compact switchgear, withdrawable low voltage switchgear, Prefabricated Substation. We are committed to provide customers with reasonable prices, quality products and services and to become your most reliable supplier, welcome new and old customers to consult and cooperate. We continue to invest a lot of manpower, material resources and financial resources to rationally arrange production space to ensure orderly and smooth production. We decided to implement a new management system to encourage our company to establish a scientific strategic planning and planning system, thereby enhancing our competitiveness.

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 VoltagekV40.5
Rated CurrentA2000
Rated CapacityHz50
Rated short circuit breaking currentAC componentkA31.5
Hundred current component%51
Rated short circuit breaking currentms45
Rated short circuit making currentkA80
Rated peak withstand currentkA80
Rated short time withstand currentkA31.5
Rated short circuit durations4
Rated short time power frequency withstand voltageDry TypekV95
Wet TypekV
Rated lightning impulse withstand voltagekV185
Rated operating impulse withstand voltagekV
Rated charging pressure for breaking and insulationMpa
Rated supply voltage of operating mechanismVDC220
Rated operation sequence
O-0.3s-CO-180s-CO
First upgrade coefficient
1.5
Mechanical lifeTimeVCB 50,Earthing Switch 2000
Protection level
Out Enclosure :IP4X
Closing speed / opening speedm/s0.5-0.9/1.2-1.6
Closing timems30--75
Opening timems20--55



Our goal is to consolidate and improve the quality and service level of existing products, while constantly developing new products to meet the needs of different customers for Quality Galvanized Electrical Medium Voltage Switchgear for Project China Suppliers. That has a sound business credit history, outstanding after-sales service and modern producing facilities. In terms of product selection and after-sales service, customers can enjoy professional services.

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