4BU4397-0MA30-0DC0
POWER TRANSFORMER; PHASES:3;

From SIEMENS

POWER TRANSFORMER; PHASES:3; PN(KVA):20; UPRI(V):480; USEC(V):400; ISEC(A):28,9; UK(%):2,3; F(HZ):50...60; VECTOR GR./SHIELD WNG.:DYN5 /0; TA/ISOKL:55 /H; IP23; TYPE OF TERMINALS:SCREW CONNECTION; INSTALLATION:SCREW; VDE 0532
General technical data:
Product designationpower transformer
Product brand nameSIDAC
Operating apparent output rated valueV·A20 000
Efficiency0.95
Connection method for transformersDyn5
Certificate of suitabilityCE
Product function
Temperature monitoringNo
Insulation monitoringNo
Short-circuit and overload proofNo
Number of shielding windings0
Relative short-circuit voltage%2.3
Inputs:
Phase number of the inputs3
Input voltage
_1 rated valueV480
Electrical input frequency
minimumHz50
maximumHz60
Outputs:
Phase number of the outputs3
Output voltage
_1 rated valueV400
Electrical output frequency
maximumHz60
minimumHz50
Ambient conditions:
Thermal class acc. to IEC 60085H
Ambient temperature rated value°C55
Protection class IPIP23
Mechanical data:
Type of electrical connection
at output for main current circuitscrew-type terminals
at input for main current circuitscrew-type terminals
Mounting typescrews
Construction form of the iron core3UI 230/80
Widthm0.66
Heightm0.645
Depthm0.6

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