6EP1437-2BA10
SITOP POWER 24 V/40 A

From SIEMENS

SITOP POWER 24 V/40 A
SITOP POWER 40 STABILIZED POWER SUPPLY INPUT: 400-500 V 3 AC OUTPUT: 24 V DC/40 A
Input
Input3-phase AC
Rated voltage value Vin rated400 ... 500 V
Voltage range AC360 ... 550 V
Note340 ... 360 V for max. 2 s or at max. 0.9 x Iout rated
Wide-range inputYes
Overvoltage resistance2.3 × Vin rated, 1.3 ms
Mains buffering at Iout rated, min.3 ms; at Vin = 360 V
Rated line frequency 150 Hz
Rated line frequency 260 Hz
Rated line range47 ... 63 Hz
Input current
at rated input voltage 400 V1.9 A
Switch-on current limiting (+25 °C), max.25 A
I²t, max.1 A²·s
Built-in incoming fusenone
Protection in the mains power input (IEC 898)Required: 3-pole connected miniature circuit breaker characteristic C up to 25 A (recommended: 6 A) or circuit-breaker 3RV1021-1DA10 (setting 3 A) or 3RV1721-1DD10 (UL 489)
Output
OutputControlled, isolated DC voltage
Rated voltage Vout DC24 V
Total tolerance, static ±3 %
Residual ripple peak-peak, max.150 mV
Residual ripple peak-peak, typ.50 mV
Spikes peak-peak, max. (bandwidth: 20 MHz)240 mV
Spikes peak-peak, typ. (bandwidth: 20 MHz)200 mV
Adjustment range22.8 ... 26.4 V
Product function Output voltage adjustableYes
Output voltage settingvia potentiometer; only permissible at ambient temperatur 0 °C to +45 °C
Status displayGreen LED for 24 V OK
On/off behaviorSlight overshoot of Vout (< 2 V for max. 500 ms)
Startup delay, max.3 s
Voltage rise, typ.40 ms
Rated current value Iout rated40 A
Current range0 ... 40 A
Supplied active power typical960 W
Short-term overload current
on short-circuiting during the start-up typical70 A
at short-circuit during operation typical70 A
Duration of overloading capability for excess current
on short-circuiting during the start-up600 ms
at short-circuit during operation600 ms
Parallel switching for enhanced performanceYes; only permissable at ambient temperature 0 °C to 45 °C
Numbers of parallel switchable units for enhanced performance2
Efficiency
Efficiency at Vout rated, Iout rated, approx.90 %
Power loss at Vout rated, Iout rated, approx.107 W
Closed-loop control
Dynamic mains compensation (Vin rated ±15 %), max.1 %
Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ.4 %
Setting time maximum3 ms
Protection and monitoring
Output overvoltage protectionYes, according to EN 60950
Current limitation42 ... 52 A
Property of the output Short-circuit proofYes
Short-circuit protectionElectronic shutdown, automatic restart
Enduring short circuit current RMS value
maximum62 A
Overload/short-circuit indicator-
Safety
Primary/secondary isolationYes
Galvanic isolationSafety extra low output voltage Vout according to EN 60950-1
Protection classClass I
Leakage current
maximum3.5 mA
typical0.78 mA
CE markYes
UL/cUL (CSA) approvalcULus-Listed (UL 508, CSA C22.2 No. 142), File E143289
Explosion protection-
FM approval-
CB approvalYes
Marine approval-
Degree of protection (EN 60529)IP20
EMC
Emitted interferenceEN 55022 Class B
Supply harmonics limitationEN 61000-3-2
Noise immunityEN 61000-6-2
Operating data
Ambient temperature
during operation0 ... 55 °C
— Notewith natural convection
during transport-25 ... +85 °C
during storage-25 ... +85 °C
Humidity class according to EN 60721Climate class 3K3, no condensation
Mechanics
Connection technologyscrew-type terminals
Connections
Supply inputL1, L2, L3, PE: 1 screw terminal each for 0.5 ... 2.5 mm² single-core/finely stranded
OutputL+: 1 screw terminal for 0.33 ... 10 mm²; M: 2 screw terminals for 0.33 ... 10 mm²
Auxiliary-
Width of the enclosure280 mm
Height of the enclosure180 mm
Depth of the enclosure92 mm
Required spacing
top50 mm
bottom50 mm
left40 mm
right0 mm
Weight, approx.3.6 kg
Product feature of the enclosure housing for side-by-side mountingNo
InstallationSnaps onto DIN rail EN 60715 35x15
Mechanical accessoriesMounting bracket 90° (6EP1971-2BA00)
MTBF at 40 °C515 274 h
Other informationSpecifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)

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