ZGW1 Outdoor DC Disconnector
ZGW1 product is an outdoor double-column vertical-opening disconnector specifically designed for urban rail transit systems. Rated voltage 1.5kV.
Copper profile conductors
Graphite silver-plating technology
Main-ground linkage
Monobloc base frame
Features
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01
Copper profile conductors
Upper conductive circuit employs high-conductivity copper profiles, delivering excellent electrical conductivity, high mechanical strength, and superior corrosion resistance.
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02
Graphite silver-plating technology
Contact fingers utilize graphite silver-plating at engagement zones. Self-cleaning and self-lubricating properties achieve maintenance-free operation while enhancing contact reliability.
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03
Main-ground linkage
Grounding switch interlocked with disconnector ensures simple and reliable operation.
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04
Monobloc base frame
Support base fabricated from bent steel plate to withstand electromagnetic forces and mechanical stresses caused by line terminal faults or short-time currents.
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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Tel : +86 （021）61610502
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