4BU4397-0MC10-0DA0
TR PN(KVA):20 UPRI(V):480+/-5% USEC(V):4

From SIEMENS

POWER TRANSFORMER; PHASES:3; PN(KVA):20; UPRI(V):480+/-5%; USEC(V):400; ISEC(A):28,9; UK(%):2,1; F(HZ):50...60; VECTOR GR./SHIELD WNG.:DYN5 /0; TA/ISOKL:40 /H; IP00; TYPE OF TERMINALS:SCREW CONNECTION; INSTALLATION:SCREW; VDE 0532 >UL/CSA-RECOGNIZED<
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 / cRUus
Product function
Temperature monitoringNo
Insulation monitoringNo
Short-circuit and overload proofNo
Number of shielding windings0
Relative short-circuit voltage%2.1
Inputs:
Phase number of the inputs3
Input voltage
_1 rated valueV504
_2 rated valueV480
_3 rated valueV456
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°C40
Protection class IPIP00
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
Widthm0.45
Heightm0.422
Depthm0.17

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