Order No.

6EP1 436-3BA10

Technical specifications

Product

SITOP PSU300M

Power supply, type

24 V/20 A

Input

Input

3-phase AC

Rated voltage value Vin rated min.

400 V

Supply voltage

• 1 at AC minimum nominal value

• 2 at AC minimum nominal value

Rated voltage value Vin rated max.

500 V

Supply voltage

• 1 at AC maximum nominal value

• 2 at AC maximum nominal value

• 1 at AC nominal value

• 2 at AC nominal value

• at DC

• Note

Voltage range

320 … 575 V

Input voltage

• 1 at AC

• 2 at AC

• at DC

Overvoltage resistance

Mains buffering at Iout rated, min.

15 ms

Mains buffering

at Vin = 400 V

Rated line frequency

• 1

50 Hz

• 2

60 Hz

Rated line range

47 … 63 Hz

Input current

• at nominal level of the input voltage 120 V nominal value

• at nominal level of the input voltage 230 V nominal value

• at nominal level of the input voltage 400 V nominal value

1.2 A

• at nominal level of the input voltage 500 V nominal value

1 A

• at DC at nominal level of the input voltage 600 V nominal value

Switch-on current limiting (+25 °C), max.

18 A

I t, max.

0.8 A ·s

Built-in incoming fuse

none

Protection in the mains power input (IEC 898)

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

Output

controlled, isolated DC voltage

Rated voltage Vout DC

24 V

Total tolerance, static ±

3 %

Static mains compensation, approx.

0.1 %

Static load balancing, approx.

0.2 %

Residual ripple peak-peak, max.

100 mV

Residual ripple peak-peak, typ.

Spikes peak-peak, max. (bandwidth: 20 MHz)

200 mV

Spikes peak-peak, typ. (bandwidth: 20 MHz)

Adjustment range

24 … 28.8 V

Product feature output voltage adjustable

Yes

Output voltage setting

via potentiometer

Note

max. 480 W

Status display

Green LED for 24 V OK

Signaling

Relay contact (NO contact, rating 60 V DC/ 0.3 A) for "24 V OK"

On/off behavior

No overshoot of Vout (soft start)

Startup delay, max.

2.5 s

Note

Voltage rise, typ.

Voltage increase time of the output voltage maximum

500 ms

Rated current value Iout rated

20 A

Current range

0 … 20 A

Note

14 A (at +70 °C)

delivered active power typ.

480 W

short-term overload current at short-circuit during run-up typical

Duration of overloading ability for excess current on short-circuiting during the start-up

constant overload current at short-circuit during run-up typical

23 A

short-term overload current at short-circuit during operation typical

60 A

Duration of overloading ability for excess current on short-circuiting during the operational phase

25 ms

constant overload current at short-circuit during operation typical

Parallel switching for enhanced performance

Yes

Note

switchable characteristic

Numbers of parallel switchable units for enhanced performance

2

Efficiency

Efficiency at Vout rated, Iout rated, approx.

93 %

Power loss at Vout rated, Iout rated, approx.

36 W

Closed-loop control

Dynamic mains compensation (Vin rated ±15 %), max.

1 %

Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ.

2 %

Load step setting time 50 to 100%, typ.

2 ms

Load step setting time 100 to 50%, typ.

2 ms

Setting time maximum

10 ms

Protection and monitoring

Output overvoltage protection

< 35 V

Current limitation, typ.

23 A

Characteristic feature of the output short-circuit protected

Yes

Short-circuit protection

Alternatively, constant current characteristic approx. 23 A or latching shutdown

Enduring short circuit current Effective level typical

23 A

Note

overload capability 150 % Iout rated up to 5 s/min

Overload/short-circuit indicator

LED yellow for "overload", LED red for "latching shutdown"

Safety

Primary/secondary isolation

Yes

Potential separation

Safety extra low output voltage Vout according to EN 60950-1 and EN 50178

Protection class

Class I

stray current

• maximum

3.5 mA

• typical

0.9 mA

CE mark

Yes

UL/CSA approval

Yes

UL/cUL (CSA) approval

cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259

Explosion protection

in preparation

FM approval

No

FM approval

-

CB approval

No

Marine approval

GL and ABS in process

Degree of protection (EN 60529)

IP20

EMC

Emitted interference

EN 55022 Class B

Supply harmonics limitation

EN 61000-3-2

Noise immunity

EN 61000-6-2

Operating data

Ambient temperature

• in operation

-25 … +70 °C

• Note

with natural convection

Ambient temparature

• on transport

-40 … +85 °C

Ambient temparature

• in storage

-40 … +85 °C

Humidity class according to EN 60721

Climate class 3K3, no condensation

Mechanics

Connection technology

screw-type terminals

Connections

• Supply input

L1, L2, L3, PE: 1 screw terminal each for 0.2 ... 4 mm single-core/finely stranded

• Output

+, -: 2 screw terminals each for 0.2 ... 4 mm

• Auxiliary

13, 14 (alarm signal): 1 screw terminal each for 0.14 ... 1.5 mm

Width of the housing

70 mm

Height of the housing

125 mm

Depth of the housing

125 mm

Installation width

70 mm

Installation height

225 mm

Weight, approx.

1.2 kg

Product feature of the housing housing for side-by-side mounting

Yes

Type of mounting wall mounting

No

Type of fixing cap rail mounting

Yes

Type of mounting S7-300 rail mounting

No

Installation

Snaps onto DIN rail EN 60715 35x7.5/15

Electrical accessories

Buffer module

Mechanical accessories

Device identification label 20 mm 7 mm, pastel-turpuoise 3RT1900-1SB20