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Outdoor High Voltage AC Isolation/Disconnector/Disconnect Load Break Switch

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Outdoor High Voltage AC Isolation/Disconnector/Disconnect Load Break Switch

The GW1-12 series outdoor high-voltage AC isolation switch (hereinafter referred to as "isolation switch")is suitable for installation on outdoor high-voltage distribution equipment lines,providing 10kV lines with voltage and no load for switching,and for electrical isolationof high-voltage busbars,circuit breakers,and other electrical equipment under maintenance from live high-voltage lines.It canalso be used to separate and close very small capacitive and inductive currents.
The isolation switch is a double column vertical opening type,equipped with manual or electric mechanisms,and can achieve
three-phase linkage.
Isolation and isolation comply with technical standards such as GB/T 1985-2014"High voltage AC isolation switches and grounding
switches"and DLT 486-2010 "High voltage AC isolation switches and grounding switches".

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Model:
GW1-12
Brand:
DGG

◇ Simple structure,beautiful appearance,and convenient installation;

◆ The insulator is made of high-strength porcelain material with a large climbing distance design,which has strong pollution resistance and environmental adaptabiity,and can meet the operational requirements in high-altitude areas;

◆ Equipped with an interlocking device,it can effectively prevent accidental operation ofthe grounding knife;

◇ Easy to operate,reliable to operate,and can be equipped with manual or electric operating mechanisms according to user requirements.

Medium Voltage Disconnector Isolation Switch Disconnector Disconnect Switch Load Break Switch High voltage Disconnector

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No.	Project		Unit	Technical parameter
1	Rated voltage		kV	12
2	Rated frequency		Hz	50
3	Rated current		A	630		1250(1600)
4	Rated short-term withstand current and duration	Isolation switch	kA/s	20/4	25/4	25/4	31.5/4
		Grounding switch	kA/s	20/2	25/2	25/2	31.5/2
5	Rated peak withstand current		kA	25	63	63	80
6	Rated short-term power frequency withstand voltage	Phase to phase,phase to ground (dry test)	kV/min	42/1
		Fracture surface (dry test)		48/1
		Phase to phase,phase to ground (wet test)		42/1
7	Rated lightning impulse withstand voltage	Phase to phase,phase to ground	kV	75
		Fracture surface		85
8	Loop resistance		μΩ	≤100		≤80
9	Creepage distance		mm	≤372(E-level anti fouling)
10	Mechanical lifespan		Times	3000Isolation switch/grounding switch
Note:If the altitude is higher than 1000m,the rated insulation level should be adjusted accordingly.

No.	Project		Unit	Technical parameter
1	Rated voltage		kV	12
2	Rated frequency		Hz	50
3	Rated current		A	630		1250(1600)
4	Rated short-term withstand current and duration	Isolation switch	kA/s	20/4	25/4	25/4	31.5/4
		Grounding switch	kA/s	20/2	25/2	25/2	31.5/2
5	Rated peak withstand current		kA	25	63	63	80
6	Rated short-term power frequency withstand voltage	Phase to phase,phase to ground (dry test)	kV/min	42/1
		Fracture surface (dry test)		48/1
		Phase to phase,phase to ground (wet test)		42/1
7	Rated lightning impulse withstand voltage	Phase to phase,phase to ground	kV	75
		Fracture surface		85
8	Loop resistance		μΩ	≤100		≤80
9	Creepage distance		mm	≤372(E-level anti fouling)
10	Mechanical lifespan		Times	3000Isolation switch/grounding switch
Note:If the altitude is higher than 1000m,the rated insulation level should be adjusted accordingly.

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Outdoor High Voltage AC Isolation/Disconnector/Disconnect Load Break Switch

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