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1. Brief introduction
KYN28A-12 metal-cladwithdrawable switchgear is suitable for three-phase AC 50Hz/3.6-12kV singlebusbar and single busbar section system. Apply to distribute electricity powerand implement system control, protection, supervision monitoring. The switchgear comply with the standards IEC298.
The switchgear is providedwith so called 5-prevention function, that is:
Prevent the circuit-breakerfrom mal-operation
Prevent the truck from beingpushed and pulled on-load
Prevent the earthing switchfrom being closed while the switchgear is electrified
Prevent the switchgear frombeing electrified with the earthing switch being closed
Prevent entering electrifiedcompartment
1. Operating Conditions
Ambient temperature:max. to 40 centigrade, min. to -10 centigrade
Altitude:not exceeding 1000m
Relativehumidity: daily average less than 95%, monthly less than 90%
Earthquakeintensity: less than 8 magnitudes
Installationsite: without fire risk, explosion hazard, heavy pollution, chemical corrosionand violent vibration
Note:Special condition and requirements, consult with the manufacturer
1. Ordering instructions
Please specify the followinginformation when ordering
The main wiring scheme, single wire system diagram,pareto chart and layout plan
The quadratic function diagram, terminal diagram
Components inside the switchgear model number,specifications and quantities
Electrical equipment summary table
Span length and height dimensions if bus structureis needed
If the equipment needs to be used in specialenvironment, place advise
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