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GN24-10 D/400, 630, 1250 indoor isolating switch

价格 899.00元/台
total supply
1000 台
MOQ
1 台
brand
上海永册
area
Shanghai
Delivery period:
Shipped within 3 days from the date of payment by the buyer
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上海永册电器有限公司

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Product Details
/Indoor isolating switch/Indoor isolating switch
Description
It is a main component in switch equipment. It ensures that maintenance personnel are reliably isolated from the main circuit and grounded when repairing circuit breakers or other components. It It is suitable for indoor three-phase AC power systems. It is used as a switching circuit and grounding when there is voltage but no load. It is mainly used to meet the requirements for supporting the use of fixed metal-enclosed switchgear. The equipment inside The isolating switch should be equipped with a grounding switch. Since there is currently no product in China that can meet this requirement, our factory has introduced this new isolating switch to meet the above requirements. At present, it has passed the type test, and has created extremely favorable conditions for the transformation of old products to meet the five-proof requirements proposed by the two ministries. This product has two working positions for closing and grounding, and can operate in steps. It has the function of preventing the grounding wire from being hung up when the power is charged and preventing the grounding from closing.
The series of indoor isolating switches are indoor high-voltage electrical appliances designed according to the "AC High Voltage Isolating Switch" and the No. 1 revised national standard, and with reference to the annual edition of the publication "Isolating Switches and Grounding Switches". Its design principles are scientific and advanced. It has the advantages of simple and reasonable structure, convenient operation, strong versatility, reliable performance, convenient installation and debugging, etc.
Usage conditions
Do not pull out more than the ambient temperature
The lowest limit of ambient temperature ℃
The humidity does not exceed ℃
No frequent violent vibrations in the installation place
Severely affect the insulation and In places where conductive gases chemically deposit salt spray and other turbid substances, the seismic intensity should not exceed excessive levels.
Required technical parameters
/The technical parameters of the indoor isolating switch are as follows
Serial number
Name
Unit
Parameter
Remarks
Rating Voltage
Maximum operating voltage
Rated current
Thermal stable current effective value
Dynamic stable current peak value
Different periods of the three phases in the just-closed position
Not greater than
The insulation distance between the conductive part of the isolating switch and the ground
is not less than
the opening distance of the isolating switch opening position
is not less than
the opening distance of the grounding switch opening position
is not less than
Rated insulation level
Power frequency withstand voltage
Isolating switch
Opposite phase
Phase to phase
Break
Grounding switch
Break
Structure and working principle
The product consists of the isolating switch grounding switch transmission device and the chassis. The isolating switch part is basically similar to the model, except that the contact base on the rotating side has been slightly changed. Due to the addition of the grounding switch, the chassis has also changed accordingly. The grounding switch uses a copper plate as the blade, and its dynamic thermal stable current is exactly the same as the main blade.
The opening and closing of the isolating switch and the grounding switch is realized by a vibrating device. When the active arm of the transmission device is manually operated, the isolating switch can have three positions, namely the working position and the closing position. Position: opening position, isolation position. The grounding switch has two positions: grounding and disconnection. Due to the reasonable cooperation between the rod and the arm of the transmission device, the opening and closing of the isolation switch and the grounding switch can accurately move to the specified position.
Disclaimer

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