Ogólne
ZN85 auxiliary handcart designed and produced by us has a screw rod drive mechanism and can be moved easily and avoid damage of thedrive mechanism due to misoperation.It applies to the 50Hz and 40.5kV three-phase alternating-current single-bus segmented power systemsin KYN61-40.5 armored mobile metallic metal-enclosed switchgears.Used with different primary components,it can realize bus connection,electric energy measurement,and overload protection or short-circuit protection for power equipment and,during system overhauls,functionalcomponent and interlocking.
Product Standards
ZN85 auxiliary handcart is produced in line with the following standard and code.
GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards
● IEC 62271-2007 High-voltage switchgear and controlgear -Part 1:Common specifications
Operating Conditions
Normal operating conditions
Temperatura otoczenia: -40 ℃ ~ +40 ℃ (poniżej 35 ℃ w ciągu 24 godzin)
Wilgotność względna: ≤95% (średnia dzienna) lub ≤90% (średnia miesięczna)
Wysokość: ≤1000 m
Parametry techniczne
1.1 Parametry techniczne
| Pozycja | Jednostka | Wartość odniesienia |
| Napięcie znamionowe | kV | 40.5 |
| Napięcie wytrzymywane impulsu piorunowego | kV | 185 |
| Rated insulation level 1min power-frequency withstand voltage | kV | 95 |
| Rated frequeng | Hz | 50/60 |
1.2 Drawing of linkage between the moving contact and the fixed contact
Overall and Installation dimension
Overall dimension of ZN85-40.5 isolating handcart(cabinet width:1400mm)
| Prąd znamionowy (A) | 630 | 1250 |
| Stały rozmiar styku D(mm) | φ35 | middle 49 |
| nterphase distance(mm) | 300 | |
| Skok wózka ręcznego (mm) | 610±2 | |
| 59 | For the auxiliary switch in the operating position |
| 58 | or the auxiliary switch in the operating position |
| Y1 | Blocking electromagnet (optional part) |
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