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Oil-immersed electric load switch

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Oil-immersed electric load switch

This switch is used for compounded type transformer. It is classified into four-position and two-position products. Thefour-position switch is divided into“T”type、“V”type and“I”.The switch is installed on the tank well of compoundedtransformer, the transformer oil is used for its insulating and are eliminated material. It is suitable for three phase power supply circuit with rated frequency 50Hz, highest voltage for equipment 1 2kV、40.5kV, rated current 315 A and 630A. In the radialfeed or loop feed supply system, it is used as controlling and protective device in the industry civil used electric energy. When functioned by operating pole, the switch can drive three phase linkage cut and close power resource or transfer supply method.
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Product description
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BFY type oil-immersed load break switch

This switch is used for compounded type transformer. It is classified into four-position and two-position products. Thefour-position switch is divided into“T”type、“V”type and“I”.The switch is installed on the tank well of compoundedtransformer, the transformer oil is used for its insulating and are eliminated material. It is suitable for three phase power supply circuit with rated frequency 50Hz, highest voltage for equipment 1 2kV、40.5kV, rated current 315 A and 630A. In the radialfeed or loop feed supply system, it is used as controlling and protective device in the industry civil used electric energy. When functioned by operating pole, the switch can drive three phase linkage cut and close power resource or transfer supply method.

 

Type of load break switch
 

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Voltage class of load switch should withstand the test voltage in transformer oil shown in following table

 

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Overall drawing for two-position load break switch

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Sketch diagram for making hole on the two-position tank wall and welding

 

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Two-position load switch with signal installation diagram and its type

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Derived code for two position load switch with signal contact

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If 35kV two-position load switch with independent wiring is needed The type of BFY312-35/630-20- II K2 has two open and two close working position.

 


 

Outline installation drawing for load switch《For electric -driven operation type with the letter D》,BFY312-35/630-20- II -D is of 35kV electric -driven operation type.

 

Two-position load switch with electric-driven operating mechanism is called type FD-1 .The product is compact and reliable, and easy to install, the open and close statue is marked very clearly,it is suitable for automatic and manual operation, the control mechanism could be converted flexibly and conveniently.

 

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1.Controller operating voltage:AC 220V;
2.The controller with power-driven operating mechanism must always maintain a power supply, the power supply can not be directly connect to the low-voltage side of the transformer, there must be an additional backup power, so as to ensure that the motor in the power-driven mechanism will not suddenly stall due to the power outage of transformer while the load switch is switching, preventing mechanism is not in place and stuck;
3. Controller cable shall be 5 meter long, if need longer please putting forward by users.

 


 

Overall drawing for four-position load break switch

 

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Sketch diagram for making hole on the two-position tank wall and welding

 

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Overall drawing for four-position load break switch

 

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Terminal connection diagram for type load swith

 

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We could not find any corresponding parameters, please add them to the properties table

Add: 3 Fengming Road, Hairun Street, Sanmen County, Taizhou City, Zhejiang Province, China
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