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Siemens 6EP1457-3BA00 — DIN Rail Power Supplies

Siemens 6EP1457-3BA00

MPN6EP1457-3BA00

********** spare part ********* SITOP PSU300M 48 V/20 A stabilized power supply input: 400-500 V 3 AC output: 48 V DC/20 A!!! phased-out product!!! successor: 6EP3447-8SB00-0AY0

$339.09Ref. price · indicative, final on quote
Siemens 6EP1457-3BA00 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

6EP1457-3BA00 — Electrical – Output
ParameterValue
Rated output voltage (DC)48 V
Rated current20 A
Rated current range0 ... 20 A
Output power at rated voltage/current (typ.)106 W
Output voltage characteristicControlled, isolated DC voltage
Output 1 rated voltage (DC)48 V
Output voltage adjustableYes
6EP1457-3BA00 — Electrical – Input & Efficiency
ParameterValue
Supplied active power (typ.)960 W
Efficiency90 %
Power supply network type3-phase AC
Maximum3.5 mA
6EP1457-3BA00 — Protection & Isolation
ParameterValue
Ingress protection (IP) ratingIP20
Protection classClass I
Short-circuit proof outputYes
Short-circuit protection designAlternatively, constant current characteristic approx. 23 A or latching shutdown
Galvanic isolation input/outputYes
Galvanic isolation (SELV / standards)Safety extra low output voltage Vout according to EN 60950-1
6EP1457-3BA00 — Connections
ParameterValue
Electrical connection typescrew-type terminals
Input terminalsL1, L2, L3, PE: 1 screw terminal each for 0.2 ... 4 mm² single-core/finely stranded
Output terminals+, -: 2 screw terminals each for 0.33 ... 10 mm²
6EP1457-3BA00 — Mechanical
ParameterValue
Mounting methodSnaps onto DIN rail EN 60715 35x15
Enclosure width240 mm
Enclosure height125 mm
Enclosure depth125 mm
Side-by-side mountableYes
Mounting clearance, left0 mm
Mounting clearance, right0 mm
Mounting clearance, top50 mm
Mounting clearance, bottom50 mm
6EP1457-3BA00 — Environmental
ParameterValue
Operating temperature range0 ... 60 °C; with natural convection
Storage temperature range-40 ... +85 °C
Transport temperature range-40 ... +85 °C
Climatic class (IEC 60721)Climate class 3K3, 5 … 95% no condensation
Current limitation of inrush current at 25 °C maximum70 A
6EP1457-3BA00 — Approvals & EMC
ParameterValue
CE markingYes
UL approvalYes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259; cCSAus (CSA C22.2 No. 60950, UL 60950)
CSA approvalYes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259; cCSAus (CSA C22.2 No. 60950, UL 60950)
NEC Class 2No
ATEX approvalNo
IECEx approvalNo
UL HazLoc approvalNo
cCSAus Class I Div 2 (hazardous loc.)No
EAC approvalYes
Shipbuilding approvalABS, DNV GL
EMC – emission standardEN 55022 Class B
EMC – immunity standardEN 61000-6-2
6EP1457-3BA00 — Reliability & Features
ParameterValue
Equipment bridgingYes; switchable characteristic
Status indicators / displayGreen LED for 48 V OK
6EP1457-3BA00 — Electrical
ParameterValue
Adjustable Output Voltage42 ... 56 V
MPN
6EP1457-3BA00