SITOP DC/DC 24В/12В 2,5 А Siemens

Input

Input

DC voltage PELV/SELV

Supply voltage

• ● for DC

24 ... 24 V

Input voltage

• ● for DC

18.5 ... 30.2 V

Wide-range input

No

Input current

• ● at rated input voltage 24 V

2.5 A

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

20 A

Duration of inrush 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 function Output voltage adjustable

Yes

Output voltage setting

via potentiometer; max. 120 W

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

• ● on short-circuiting during the start-up typical

3.3 A

• ● at short-circuit during operation typical

3.3 A

Constant overload current

• ● on short-circuiting during the start-up typical

3.3 A

• ● 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

Property of the output Short-circuit proof

Yes

Short-circuit protection

Constant current characteristic approx. 3.2 A

Enduring short circuit current RMS value

• ● typical

3.2 A

Overload/short-circuit indicator

LED red for "overload"

Safety

Primary/secondary isolation

Yes

Galvanic isolation

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

-

Certificate of suitability IECEx

No

Certificate of suitability NEC Class 2

No

FM approval

-

CB approval

No

Approvals

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

• ● during operation

0 ... 60 °C

• — Note

with natural convection

• ● during transport

-40 ... +85 °C

• ● during 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 mm²

• ● Output

+, -: 2 screw terminals each for 0.5 ... 2.5 mm²

• ● Auxiliary

-

Width of the enclosure

32.5 mm

Height of the enclosure

125 mm

Depth of the enclosure

125 mm

Weight, approx.

0.32 kg

Product property of the enclosure housing for side-by-side mounting

Yes

Installation

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

Other information

Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)