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Power HF transformer UI 93 and UU 93 
3,2kVA up to 42 kVA
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HF-transformer, switch mode power supply transformer, ferrite transformer
Catalogue HF-components as PDF
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Description
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Performance
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HF-transformer conform to IEC/EN61558-2-17 for SMPS
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HF-transformer, HF-inverter, ferrite trasnformer, SMPS transformer
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Application
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Suitable as HF-transformer for power integrations (TOPSWITCH,TINYSWITCH), Advanced Techology and ST(VIPer). This size can also be built as a choke.
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Voltages
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according to customer specification, more than one input and output voltages are possible
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Frequency
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20 kHz up to 300 kHz, special types up to 500 kHz
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Core material
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N87 or PL7 for high power, with other materials it’s less power
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Temperature class
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F (155°C) if varnished and B(130°C) if potted
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Temperature
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Ambient 40°C, higher ambient temperatures decrease the power
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Protective class
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Fire class UL94V0, IP00 conform to DIN 40 050
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Winding
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with lacquered copper wire, HF litz, foil or triple insulated Furukawa wire, interlaced constrcution for best magnetic coupling
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Construction
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varnished under vacuum (open version) with class H varnish or potted under vacuum in a housing
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Terminals
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Print, SMD version or free wires
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Safety
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Margins to redeem air- and creepage distances. A screening is possible, but the secondary power will decrease.
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Table
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Power - N87/PL7
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Weight
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Type size
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Frequency
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Forward
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Push-pull
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Cu
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Total
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UI 93/104/16
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25
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kHz
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3,2
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kVA
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4,5
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kVA
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0,6
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kg
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1,3
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kg
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PDF
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50
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kHz
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4,2
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kVA
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6,0
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kVA
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0,6
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kg
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1,3
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kg
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100
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kHz
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5,3
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kVA
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7,5
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kVA
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0,6
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kg
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1,3
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kg
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UI 93/104/30
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25
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kHz
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5,3
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kVA
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7,5
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kVA
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0,7
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kg
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2,0
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kg
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PDF
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50
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kHz
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7,0
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kVA
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10,0
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kVA
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0,7
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kg
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2,0
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kg
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100
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kHz
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9,0
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kVA
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12,5
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kVA
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0,7
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kg
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2,0
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kg
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UU 93/152/16
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25
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kHz
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5,0
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kVA
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7,0
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kVA
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0,9
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kg
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2,0
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kg
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PDF
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50
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kHz
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7,0
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kVA
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10,0
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kVA
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0,9
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kg
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2,0
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kg
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100
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kHz
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8,5
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kVA
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12,0
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kVA
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0,9
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kg
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2,0
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kg
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UU 93/152/30
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25
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kHz
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8,0
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kVA
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11,5
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kVA
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1,1
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kg
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3,0
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kg
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PDF
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50
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kHz
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10,5
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kVA
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15,0
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kVA
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1,1
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kg
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3,0
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kg
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100
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kHz
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13,0
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kVA
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19,0
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kVA
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1,1
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kg
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3,0
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kg
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UU 93/152/60
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25
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kHz
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13,0
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kVA
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19,0
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kVA
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1,8
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kg
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5,5
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kg
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PDF
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50
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kHz
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17,0
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kVA
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25,0
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kVA
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1,8
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kg
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5,5
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kg
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100
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kHz
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22,0
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kVA
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32,0
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kVA
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1,8
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kg
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5,5
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kg
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UU 93/152/90
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25
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kHz
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15,0
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kVA
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22,0
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kVA
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2,3
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kg
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6,6
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kg
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PDF
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50
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kHz
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22,0
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kVA
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32,0
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kVA
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2,3
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kg
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6,6
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kg
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100
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kHz
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29,4
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kVA
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42,0
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kVA
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2,3
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kg
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6,6
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kg
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Technical changes and optimization reserved
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01/2010
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