ZGW1 Outdoor DC Disconnector
ZGW1-1.5D (G·W) DC disconnector is designed for urban rail transit systems with a rated voltage of DC 1.5kV. It operates under no-load conditions to switch lines, adjust operations, and ensure safe isolation of high-voltage equipment during maintenance.
Copper profile conductor
Graphite silver coating technology
DS-ES linkage
Monolithic base
IEEE
IEC
Energy Storage
Power
Proposition/Advantages
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01
Copper profile conductor
The upper conductive circuit adopts high conductivity copper profile, which has good conductive property, high mechanical strength and strong anti-corrosion ability.
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02
Graphite silver coating technology
The contact part adopts graphite silver plating process, and the contact has the ability of self-cleaning and self-lubrication, achieving the effect of maintenance-free and improving the contact reliability
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03
DS-ES linkage
ES and DS Linkage, simple and reliable operation.
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04
Monolithic base
The base is made of steel plate bending, which can withstand the electric and mechanical stress caused by the line terminal and short-term current.
Technical Specifications
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Rated voltage（kV）
1.5
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Rated current（A）
Up to 4000
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Rated short-time withstand current（kA）
Up to 50
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Rated peak withstand current（kA）
Up to 125
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Operating Temperature（℃)
-50 ~ +55
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Ice coating（mm）
Up to 20
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