Order No.

6EP1 731-2BA00

Technical specifications

Product

SITOP power

Power supply, type

24 V/0,375 A

Input

Input

DC voltage

Supply voltage at DC

48 … 220 V

Voltage range

30 … 187 V

Input voltage at DC

30 … 264 V

Overvoltage resistance

-

Mains buffering at Iout rated, min.

10 ms

Mains buffering

at Vin = 220 V

Input current

• at nominal level of the input voltage 48 V nominal value

0.3 A

• at nominal level of the input voltage 220 V nominal value

0.06 A

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

35 A

Duration of current limiting at 25 °C typical

3 ms

I t, max.

1.2 A ·s

Built-in incoming fuse

F 4 A/250 V (not accessible)

Protection in the mains power input (IEC 898)

Recommended miniature circuit breaker: from 6 A, characteristic C, suitable for DC

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.

0.1 %

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)

50 mV

Product feature output voltage adjustable

No

Output voltage setting

-

Status display

Green LED for 24 V OK

On/off behavior

No overshoot of Vout (soft start)

Startup delay, max.

2.5 s

Voltage rise, typ.

90 ms

Rated current value Iout rated

0.375 A

Current range

0 … 0.375 A

Note

0.255 A up to +70 °C

delivered active power typ.

9 W

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

2.7 A

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

200 ms

Parallel switching for enhanced performance

No

Efficiency

Efficiency at Vout rated, Iout rated, approx.

66 %

Power loss at Vout rated, Iout rated, approx.

4.6 W

Closed-loop control

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

0.3 %

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

0.4 %

Load step setting time 50 to 100%, typ.

2 ms

Load step setting time 100 to 50%, typ.

2 ms

Protection and monitoring

Output overvoltage protection

Yes, according to EN 60950

Current limitation

0.41 … 0.49 A

Characteristic feature of the output short-circuit protected

Yes

Short-circuit protection

Electronic shutdown, automatic restart

Enduring short circuit current Effective level maximum

0.9 A

Overload/short-circuit indicator

-

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

CE mark

Yes

UL/CSA approval

Yes

UL/cUL (CSA) approval

cULus-Listed (UL 508, CSA C22.2 No. 142), File E143289, cURus-Recognized (UL 60950, CSA C22.2 No. 60950), File E151273

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

not applicable

Noise immunity

EN 61000-6-2

Operating data

Ambient temperature

• in operation

-25 … +70 °C

• Note

with natural convection

Ambient temparature

• on transport

-40 … +70 °C

Ambient temparature

• in storage

-40 … +70 °C

Humidity class according to EN 60721

Climate class 3K3, no condensation

Mechanics

Connection technology

screw-type terminals

Connections

• Supply input

L+1, M1, PE: 1 screw terminal each for 0.5 ... 2.5 mm single-core/finely stranded

• Output

+: 1 screw terminal for 0.5 ... 2.5 mm ; -: 2 screw terminals for 0.5 ... 2.5 mm

• Auxiliary

-

Width of the housing

22.5 mm

Height of the housing

80 mm

Depth of the housing

91 mm

Installation width

22.5 mm

Installation height

180 mm

Weight, approx.

0.14 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