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 More
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 More
400 Vinput / supply voltage at AC / minimum rated value
500 Vinput / supply voltage at AC / maximum rated value
320 Vinput / supply voltage at AC / initial value
Application and selection
Compare the complete order number and specifications below with the original part and machine wiring. Check the design, interfaces, supply voltage or connection method as applicable to this product.
Technical specifications
Manufacturer
Siemens
Order number
6EP1457-3BA00
General information / product designation
Power supply SITOP modular
General information / type of current supply
48 V/20 A
input / type of the power supply network
3-phase AC
input / phase number
3
input / voltage curve at input
AC
input / supply voltage at AC / minimum rated value
400 V
input / supply voltage at AC / maximum rated value
500 V
input / supply voltage at AC / initial value
320 V
input / supply voltage at AC / full-scale value
550 V
input / supply voltage at AC
Starting from Vin > 340 V
input / supply voltage / at 50 Hz
400 V
input / supply voltage / at 60 Hz
500 V
input / line frequency
50/60 Hz
input / wide range input
Yes
input / overvoltage overload capability
2.3 × Vin rated, 1.3 ms
input / buffering time for rated value of the output current in the event of
6 ms
input / operating condition of the mains buffering
at Vin = 400 V
input / input current / at rated input voltage 400 V
2.2 A
input / current limitation of inrush current at 25 °C maximum
70 A
input / I2t value maximum
2.8 A²·s
input / fuse protection type
none
input / fuse protection type in the feeder
Required: 3-pole connected miniature circuit breaker 10 ... 16 A characteristic C or circuit breaker 3RV2011-1DA10 (setting 3 A) or 3RV2711-1DD10 (UL 489)
output / voltage curve at output
Controlled, isolated DC voltage
output / product function output voltage controlled
Yes
output / product function output voltage stabilized
Yes
output / output voltage at DC rated value
48 V
output / output voltage / at output 1 at DC rated value
48 V
output / output voltage / at output 1 at DC
48 V
output / output voltage adjustable
Yes; via potentiometer
output / adjustable output voltage
42 ... 56 V; max. 960 W
output / relative overall tolerance of the voltage
3 %
output / relative control precision of the output voltage / on slow fluctuation of input voltage
0.1 %
output / relative control precision of the output voltage / on slow fluctuation of ohm loading
0.2 %
output / residual ripple / maximum
100 mV
output / residual ripple / typical
10 mV
output / voltage peak / maximum
200 mV
output / voltage peak / typical
80 mV
output / display version for normal operation
Green LED for 48 V OK
output / type of signal at output
via signaling module (6EP1961-3BA10)
output / behavior of the output voltage when switching on
No overshoot of Vout (soft start)
output / response delay maximum
2.5 s
output / voltage increase time of the output voltage / typical
20 ms
output / output current / rated value
20 A
output / output current / rated range
0 ... 20 A
output / supplied active power typical
960 W
output / short-term overload current / at short-circuit during operation typical
60 A
output / duration of overloading capability for excess current / at short-circuit during operation
25 ms
output / constant overload current / on short-circuiting during the start-up typical
23 A
output / bridging of equipment
Yes; switchable characteristic
output / number of parallel-switched equipment resources for increasing
2
efficiency / efficiency in percent
90 %
efficiency / power loss [W] / at rated output voltage for rated value of the output
106 W
protection and monitoring / design of the overvoltage protection
Yes, according to EN 60950-1
protection and monitoring / property of the output short-circuit proof
Yes
protection and monitoring / design of short-circuit protection
Alternatively, constant current characteristic approx. 23 A or latching shutdown
protection and monitoring / typical
23 A
protection and monitoring / enduring short circuit current RMS value / typical
23 A
protection and monitoring / display version for overload and short circuit
LED yellow for "overload", LED red for "latching shutdown"
safety / galvanic isolation between input and output
Yes
safety / galvanic isolation
Safety extra low output voltage Vout according to EN 60950-1
safety / operating resource protection class
Class I
safety / leakage current / maximum
3.5 mA
safety / leakage current / typical
0.68 mA
safety / protection class IP
IP20
EMC / standard / for emitted interference
EN 55022 Class B
EMC / standard / for mains harmonics limitation
EN 61000-3-2
EMC / standard / for interference immunity
EN 61000-6-2
ambient conditions / ambient temperature / during operation
0 ... 60 °C; with natural convection
ambient conditions / ambient temperature / during transport
-40 ... +85 °C
ambient conditions / ambient temperature / during storage
-40 ... +85 °C
ambient conditions / environmental category according to IEC 60721
Climate class 3K3, 5 ... 95% no condensation
connection method / type of electrical connection
screw terminal
connection method / at input
L1, L2, L3, PE: 1 screw terminal each for 0.2 ... 4 mm² single-core/finely stranded
connection method / at output
+, -: 2 screw terminals each for 0.33 ... 10 mm²
connection method / for auxiliary contacts
-
mechanical data / width × height × depth of the enclosure
240 × 125 × 125 mm
mechanical data / installation width × mounting height
240 mm × 225 mm
mechanical data / required spacing / top
50 mm
mechanical data / required spacing / bottom
50 mm
mechanical data / required spacing / left
0 mm
mechanical data / required spacing / right
0 mm
mechanical data / fastening method
Snaps onto DIN rail EN 60715 35x15
mechanical data / required spacing / DIN-rail mounting
Yes
mechanical data / required spacing / S7 rail mounting
No
mechanical data / required spacing / wall mounting
No
mechanical data / housing can be lined up
Yes
mechanical data / net weight
3.2 kg
accessories / electrical accessories
Signaling module
Output voltage
48 V DC
Connections and conditions of use
output / type of signal at output: via signaling module (6EP1961-3BA10)
connection method / type of electrical connection: screw terminal
connection method / at input: L1, L2, L3, PE: 1 screw terminal each for 0.2 ... 4 mm² single-core/finely stranded
connection method / at output: +, -: 2 screw terminals each for 0.33 ... 10 mm²
connection method / for auxiliary contacts: -
Scope of supply
We will confirm the exact version, package contents and related accessories before ordering. Package information in the technical table applies to the stated order number.
Frequently asked questions
Is the same product family enough to identify a replacement?
The complete order number is essential. If the type changes, compare the electrical and mechanical design, connections and requirements of the original application.
What information is needed to check connections and accessories?
Send a nameplate photo, the designations of related modules and connectors and, where needed, a wiring diagram. We will check the specific version for your application.
Can you assess a faulty part?
Yes. Send the complete order number and a description of the fault. We will check the diagnostic and professional repair options for your specific unit.
Why buy from FOXON
1
Replacement part availability
We will check current part availability and confirm the possible delivery date before you order.
2
New original and refurbished parts
We will specify the available version and condition of the particular unit in the quotation.
3
Parts with a warranty
We will confirm the warranty period according to the part condition and specific quotation.
4
Diagnostics and repairs
For a faulty unit, we will check the options for diagnostics and professional repair.
More than 3,500customers
We deliver tomore than 100 countries
Express delivery?We will check. Contact us now.
Part conditions available for sale
Part conditions and warranty
New, sealed (NC): Brand-new, unused part in unopened original packaging. 12-month warranty.
New, opened (NO): Brand-new and unused part, but the original packaging has been opened. 12-month warranty.
New, without packaging (NW): Brand-new and unused part, supplied without original packaging. 12-month warranty.
New (N): New and unused part, typically smaller components supplied in multi-packs in one original package. 12-month warranty.
Refurbished (R): Part has been removed from service, cleaned, inspected and tested to meet original functionality and quality. 12-month warranty.
Used, tested (T): Functional used part that has passed full testing. 6-month warranty.
Used (U): Functional used part. 3-month warranty.
Sales, repairs and buyback of automation parts
We supply replacement parts for industrial automation and assess faulty units for diagnostics and repair. We also buy surplus parts. Send the exact designation and required quantity.
