professional factory for Key Isolator Switch - High Quality High Voltage Isolating Switch – Histe
professional factory for Key Isolator Switch - High Quality High Voltage Isolating Switch – Histe Detail:
High Quality High Voltage Isolating Switch
complete in specifications,high technical parameters is high, wide range. Additional, wide scope of application , it can be used for high layout. Installation way is flexible.
Altitude: 1000m~3000m
Environment temperature: -30 to 40℃(-40 to 40℃ in special cold areas)
Wind speed no more than 700pa(Equivalent to 34m/s)
Earthquake intensity no more than 8 degree.
Ice cover thickness is no more than the 10 mm
Installation place should be no inflammable and explosive dangerous goods, chemical corrosion and violent vibration.
Post insulator pollution level: general type is 0 level, anti-contamination is Ⅱlevel.
When you place an order, please clearly indicate product model, rated voltage, stable current.
Indicate the installation way and requirements about grounding switch .
If you have special request , please make a negotiation with the manufacturer.
| Technical Specifications | GW4-40.5 | GW4-72.5 | GW4-126 | |
| Rated voltage (kV) | 40.5 | 72.5 | 126 | |
| The rated current (A) | 1250, 2000 | |||
| Disconnector | Rated peak withstand current (kA) | 100 | ||
| Rated short-time withstand current (RMS)kA | 40 | |||
| Rated short circuit duration s | 4 | |||
| Grounding switch | Rated peak withstand current kA | 100 | ||
| Rated short-time withstand current (RMS)kA | 40 | |||
| Rated short circuit duration s | 4 | |||
| Rated short-time power frequency withstand voltage (RMS) kV | to earth | 95 | 160 | 230 |
| across isolating point | 118 | 200 | 230+70 | |
| Rated lightning impulse withstand voltage (peak) kV | to earth | 185 | 350 | 550 |
| across isolating point | 215 | 410 | 550+100 | |
| minimum clearance in 1 min power frequency withstand voltage when ground blade closing to live part of disconnector | 53 | 94 | 164 | |
| switching ability of earthing switch inductance current | electromagnetic inductance current (current/voltage) | 50/0.5(A type), 100/6(B type) | ||
| Static inductance current (current/voltage) | 0.4/3(A type), 5/6(B type) | |||
| switching times | 10 | 10 | 10 | |
| rated terminal static mechanic load N | longitudinal level | 1000 | 1000 | 1000, 1250 |
| Horizontal level | 750 | 750 | 750 | |
| Vertical force | 1000 | 1000 | 1000 | |
| switching capacitance current A | 2 | 2 | 2 | |
| switching inductance current A | 1 | 1 | 1 | |
| switching busbar for current transfer A (busbar transfer voltage 100V) | 400V, 2500A, 100 times | |||
| Radio interference level | less than 500 μV | |||
| Mechanical life | 3000 | 3000 | 3000 | |
| single pole weight (kg) | 240 | 300 | 350 | |
| note: All applied in an altitude of 2000m | ||||
Product detail pictures:
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We have now a specialist, efficiency staff to provide good quality company for our consumer. We normally follow the tenet of customer-oriented, details-focused for professional factory for Key Isolator Switch - High Quality High Voltage Isolating Switch – Histe , The product will supply to all over the world, such as: Belize, Belgium, Provence, We confirm to public, cooperation, win-win situation as our principle, adhere to the philosophy of make a living by quality, keep developing by honesty , sincerely hope to build up a good relationship with more and more customers and friends, to achieve a win-win situation and common prosperity.
(1) Quality Assurances
We have a strictly quality control process from the raw material to finished products. Advanced testing lab to make sure products quality and improve our creative ability. Quality and Safety is the soul of our products.
(2) Excellent Services
Many years of manufacturing experience and rich export business help us to establish a well-trained sales service team for all customers.
(3) Fast Deliveries
Strong manufacture capacity to satisfy urgent leading time. It is around 15-25 working days after we receive the payment. It varies according to the different products and quantity.
(4) OEM ODM and MOQ
Strong R&D team for quick new products’ development, we welcome OEM, ODM and customize request order. Whether selecting a current product from our catalog or seeking engineering assistance for your application. You can tell us about your sourcing requirements.
Normally our MOQ is 100pcs per models. We also produce OEM and ODM as you requirement. We are developing worldwide agent.
By Alice from Costa rica - 2018.11.22 12:28
This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately， we successfully completed the procurement tasks.
By Priscilla from Angola - 2018.09.21 11:01
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