ERFA Industries Group
| Payment Terms | T/T, Western Union |
| Supply Ability | 10000pcs per month |
| Delivery Time | 10days after payment |
| Packaging Details | Wooden case with pallet |
| Place of Origin | China |
| Brand Name | ERFA |
| Model Number | 63A |
| Certification | ISO9000, |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | 10000pcs per month |
| Delivery Time | 10days after payment | Packaging Details | Wooden case with pallet |
| Place of Origin | China | Brand Name | ERFA |
| Model Number | 63A | Certification | ISO9000, |
| High Light | circuit breaker ，miniature circuit breaker ，MCB circuit breaker | ||
VD4 high-voltage indoor vacuum circuit breaker is applicable for three-phase AC power system of rated voltage up to 36kV and frequency 50/60HZ,widely used in many fields such as power plant, transformer substation, petrol chemical industry , metallurgy , manufacturing industry , airport, residential area, etc., to control and protect the electric equipment, especially , It is used for the occasion that needs infrequent operation at rated current or multi-breaking short circuit current, may be mounted in the indoor air insulating switchgear like type KYN61 or AMS, ABB type ZS3.2 series, etc. This circuit breaker is made with mature APG technology . The application of VD4 terminal buffer guarantees the indoor terminal is ever more reliable in nay operation environment. VD4 can fully meet the requirement of GB, DL, IEC, DIN, VDE as well as standards of other advanced industrial countries.
++++Service environment:
a) Air temperature: Maximum temperature: +40ºC; Minimum temperature:-25ºC
b) Humidity: Monthly average humidity 95%; Daily average humidity 90%.
c) Altitude above sea level: Maximum installation altitude: 2500m
d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
e) No frequent violent shake
++++ Main technical specifications:
| No | Item | Unit | Parameter | |
| 1 | Rated voltage | kV | 36 | |
| 2 | Rated frequency | Hz | 50/60 | |
| 3 | Rated current | A | 630, … 2500A | |
| 4 | 1min Power frequency withstand voltage | kV | 95 | 118 |
| 5 | Lightning impulse withstand voltage | kV | 185 | 215 |
| 6 | Rated short circuit breaking current (peak) | kA | 50/63/80 | |
| 7 | Rated short breaking current | kA | 20, …31.5 | |
| 8 | Rated short circuit making current (peak) | kA | 50/63/80 | |
| 9 | Rated cable(line) charging breaking current | A | 50 and 10 | |
| 10 | Rated single capacitor bank switching current | A | 400 | |
| 11 | Rated withstand current (peak) | kA | 50/63/80 | |
| 12 | Short time withstand current (4s) | kA | 20, …31.5 | |
| 13 | Mechanism life | times | 10000 | |
Note: For short circuit breaking current & rated current is optional by clients.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2006
Total Annual:
50 Millions-100 Millions
Employee Number:
150~200
Ecer Certification：
Active Member
Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products. Our compa... Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products. Our compa...
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