Article?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?with?AC?minimum?rated?value

• 2?with?AC?minimum?rated?value

Rated?voltage?value?Vin?rated?max.

500 V

Supply?voltage

• 1?with?AC?maximum?rated?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

+60?...?+70?°C:?Derating?3%/K

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?in?the?event?of?a?short?circuit?during?startup?/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?Uout?acc.?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

ATEX?(EX)?II?3G?Ex?nA?nC?IIC?T4;?cCSAus?(CSA?C22.2?No.?213,?ANSI/ISA-12.12.01)?Class?I,?Div.?2,?Group?ABCD,?T4

FM?approval

No

FM?approval

-

CB?approval

Yes

Marine?approval

GL,?ABS

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?temperature

• on?transport

-40 … +85 °C

Ambient?temperature

• 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

Mounting?type

• wall?mounting

No

• standard?rail?mounting

Yes

• S7?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