40KVA 50 ква трансформатор 220v до 380v 3 фазовый все медный провод изолирующий трансформатор электрические трансформаторы (1600391174983)

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Product Overview

Description


SJ-poster



Low frequency


















SJ-transformer application





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Product Name


Three Phase Transformer


Product Model


Power transformer/EPS UPS


Winding Material


Enameled copper wire or enameled aluminum wire


Capacity


0.1KVA-2500KVA


Input Voltage


Customized


Output Voltage


Customized


Frequency


50/60Hz


Connection Type


DYN11/YYN0


Insulation Level


F/H


Enclosures Protection Level


IP20


Pressure-tight Test



Primary to secondary2.5KV/min;
Primary to safety ground2.5KV/min;
Secondary to safety ground1.5KV/min


Insulation Resistance


Primary to secondary 2500V>100megohm;
Primary to safety ground 2500V>100megohm;
Secondary to safety ground 1500V>100megohm


Ground Resistance


25A<100milliohm


Induction Withstand Voltage Test


125Hz / 800V / 60s


Cooling Method


Natural or air cooling


Temperature Rise


≤125K


Transformation Ratio


<3%


Air Carrying Current


<3%


Impedance Voltage


about 4.5%


Total Losses


4%


Efficiency


80%--99%


Operating Temperature


-15℃~40℃ (40℃, 90%R.H., 56days)


Storage Temperature


-25℃~100℃(40℃, 90%R.H., 56days)


Certificate


CE,ISO


The technical parameter for reference only, for exactly technical information, please feel free to contact us!





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1600391174983
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