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Datasheet generated 2026-10-07
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Siemens SITOP PSU8200/3AC/48VDC/10A (6EP3446-8SB00-0AY0)

Siemens · Control & Automation · Power Supplies · Germany · siemens.com
Part Number
6EP3446-8SB00-0AY0  ·  HS 8530.90
Siemens SITOP PSU8200/3AC/48VDC/10A (6EP3446-8SB00-0AY0)

Siemens 6EP3446-8SB00-0AY0 — SITOP DC power supply. DIN-rail primary-switched regulated 24 VDC power supply for automation panels. SITOP PSU8200 3AC 10A input: 400-500V output: 48V DC/10A.

Technical Specifications

Manufacturer part number (MPN)6EP3446-8SB00-0AY0 EAN / GTIN: 4025515154655 Sales unit: pcs Type of the power supply network: 3-phase AC Supply voltage at AC — minimum rated value: 400 V Supply voltage at AC — maximum rated value: 500 V Supply voltage at AC — initial value: 320 V Supply voltage at AC — full-scale value: 575 V Buffering time for rated value of the output current in the event of power failure minimum: 15 ms Operating condition of the mains buffering: at Vin = 400 V Line frequency: 50/60 Hz Input current — at rated input voltage 400 V: 1.2 A Input current — at rated input voltage 500 V: 1 A Current limitation of inrush current at 25 °C maximum: 16 A I2t value maximum: 0.8 A²·s Fuse protection type in the feeder: Required: 3-pole connected miniature circuit breaker 6 ... 16 A characteristic C or circuit breaker 3RV2011-1DA10 (setting 3 A) or 3RV2711-1DD10 (UL 489) Output voltage at DC rated value: 48 V Output voltage — at output 1 at DC rated value: 48 V Adjustable output voltage: 42 ... 56 V; max. 480 W Relative overall tolerance of the voltage: 3 % Relative control precision of the output voltage — on slow fluctuation of input voltage: 0.1 % Relative control precision of the output voltage — on slow fluctuation of ohm loading: 0.2 % Voltage peak — maximum: 200 mV Display version for normal operation: Green LED for 48 V OK Type of signal at output: Relay contact (NO contact, rating 60 V DC/ 0.3 A) for 48 V OK Response delay maximum: 2.5 s Voltage increase time of the output voltage — maximum: 500 ms Output current — rated value: 10 A Output current — rated range: 0 ... 10 A; +60 ... +70 °C: Derating 2%/K Supplied active power typical: 480 W Short-term overload current — at short-circuit during operation typical: 30 A Duration of overloading capability for excess current — at short-circuit during operation: 25 ms Constant overload current — on short-circuiting during the start-up typical: 11 A Number of parallel-switched equipment resources for increasing the power: 2 Efficiency in percent: 94 % Power loss [W] — at rated output voltage for rated value of the output current typical: 31 W Relative control precision of the output voltage with rapid fluctuation of the input voltage by +/- 15% typical: 0.1 % Relative control precision of the output voltage load step of resistive load 50/100/50 % typical: 1 % Setting time — load step 50 to 100% typical: 0.2 ms Setting time — load step 100 to 50% typical: 0.2 ms Relative control precision of the output voltage at load step of resistive load 10/90/10 % typical: 2 % Setting time — load step 10 to 90% typical: 0.2 ms Setting time — load step 90 to 10% typical: 0.2 ms Setting time — maximum: 10 ms Design of the overvoltage protection: < 60 V Design of short-circuit protection: Alternatively, constant current characteristic approx. 11 A or latching shutdown Design of short-circuit protection — typical: 11 A Overcurrent overload capability — in normal operation: overload capability 150 % Iout rated up to 5 s/min Enduring short circuit current RMS value — typical: 11 A Galvanic isolation: Output voltage: SELV, ES1 (IEC 62368-1), DVC As (IEC 61204-7) Leakage current — maximum: 3.5 mA Leakage current — typical: 0.9 mA Protection class IP: IP20 Ambient temperature — during operation: -25 ... +70 °C; with natural convection Ambient temperature — during transport: -40 ... +85 °C Ambient temperature — during storage: -40 ... +85 °C Type of electrical connection — at input: L1, L2
L3 PE1 screw terminal each for 0.2 ... 4 mm² single-core/finely stranded Type of electrical connection — at output: +, -: 2 screw terminals each for 0.2 ... 4 mm² Type of electrical connection — for auxiliary contacts: 13 14 (alarm signal): 1 screw terminal each for 0.14 ... 1.5 mm²; 15 16 (Remote): 1 screw terminal each for 0.14 ... 1.5 mm² Width × height × depth of the enclosure: 70 × 125 × 125 mm Installation width × mounting height: 70 mm × 225 mm Required spacing — top: 50 mm Mechanical data — net weight: 1.2 kg Voltage type (supply voltage): AC 1st secondary output voltage: 48 V Max. output current 1: 10 A Secondary voltage adjustable: Yes Nominal value output voltage 1: 48 V Nominal value output current 1: 10 A Short-circuit-proof: Yes Rated supply voltage AC 50 Hz: 400 V Rated supply voltage AC 60 Hz: 500 V Output voltage stabilized: Yes Power output: 480 W Stabilized: Yes Type of electric connection: Screw connection Suitable for rail mounting: Yes Wall mounting possible: No Suitable for distribution board: Yes Built-in width: 70 mm Built-in height: 225 mm Direct mounting possible: No Width: 70 mm Height: 125 mm Depth: 125 mm Degree of protection (IP): IP20 Suitable for wall mounting: No Country of origin: Austria

Properties

MOQ1

Cross-References

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