Article?No.

6EP1?621-2BA00

Technical?specifications

Product

SITOP?DC/DC

Power?supply,?type

12?V/2,5?A

Input

Input

DC?voltage?PELV/SELV

Supply?voltage??at?DC

24?V

Input?voltage?at?DC

18.5 … 30.2 V

Input?current?at?nominal?level?of?the?input?voltage?24?V?nominal?value

2.5 A

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

20 A

Duration?of?current?limiting?at?25?°C?typical

5 ms

Built-in?incoming?fuse

not?accessible

Protection?in?the?mains?power?input?(IEC?898)

Recommended?miniature?circuit?breaker:?10?A?characteristic?B

Output

Output

Controlled,?isolated?DC?voltage

Rated?voltage?Vout?DC

12 V

Total?tolerance,?static?±

3 %

Static?mains?compensation,?approx.

0.1 %

Static?load?balancing,?approx.

0.4 %

Residual?ripple?peak-peak,?max.

100 mV

Residual?ripple?peak-peak,?typ.

50 mV

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

200 mV

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

50 mV

Adjustment?range

12 … 14 V

Product?feature?output?voltage?adjustable

Yes

Output?voltage?setting

via?potentiometer

Status?display

Green?LED?for?12?V?OK

Startup?delay,?max.

0.5 s

Voltage?rise,?typ.

300 ms

Rated?current?value?Iout?rated

2.5 A

Current?range

0 … 2.5 A

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

3.3 A

Constant?overload?current?in?the?event?of?a?short?circuit?during?startup?/typical

3.3 A

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

3.3 A

constant?overload?current?at?short-circuit?during?operation?typical

3.3 A

Parallel?switching?for?enhanced?performance

Yes

Numbers?of?parallel?switchable?units?for?enhanced?performance

2

Efficiency

Efficiency?at?Vout?rated,?Iout?rated,?approx.

83 %

Power?loss?at?Vout?rated,?Iout?rated,?approx.

6.1 W

Closed-loop?control

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

0.5 %

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

3 %

Load?step?setting?time?50?to?100%,?typ.

5 ms

Load?step?setting?time?100?to?50%,?typ.

2 ms

Setting?time?maximum

5 ms

Protection?and?monitoring

Output?overvoltage?protection

<?24?V

Current?limitation

3 … 3.6 A

Current?limitation,?typ.

3.3 A

Characteristic?feature?of?the?output?short-circuit?protected

Yes

Short-circuit?protection

Constant?current?characteristic?approx.?3.2?A

Enduring?short?circuit?current?Effective?level?typical

3.2 A

Overload/short-circuit?indicator

LED?red?for?"overload"

Safety

Primary/secondary?isolation

Yes

Potential?separation

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

Protection?class

Class?II

CE?mark

Yes

UL/CSA?approval

Yes

UL/cUL?(CSA)?approval

cCSAus?(UL?508,?CSA22.2-107,?UL60950-1,?CSA22.2-60950-1)

Explosion?protection

-

FM?approval

No

FM?approval

-

CB?approval

No

Marine?approval

-

Degree?of?protection?(EN?60529)

IP20

EMC

Emitted?interference

EN?55022?Class?B

Supply?harmonics?limitation

-

Noise?immunity

EN?61000-6-2

Operating?data

Ambient?temperature

• in?operation

0 … 60 °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

+,?-:?1?screw?terminal?each?for?0.5?...?2.5?mm?

• Output

+,?-:?2?screw?terminals?each?for?0.5?...?2.5?mm?

• Auxiliary

-

Width?of?the?housing

32.5 mm

Height?of?the?housing

125 mm

Depth?of?the?housing

125 mm

Installation?width

32.5 mm

Installation?height

225 mm

Weight,?approx.

0.32 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