Order No.

6EP1 331-2BA10

Product

SITOP power

Power supply, type

24 V/0.5 A

Input

Input

1-phase AC

Voltage range

93 … 264 V

Supply voltage

• 1 at AC

• minimum nominal value

• maximum nominal value

• 2 at AC

• minimum nominal value

• maximum nominal value

• 1 at AC nominal value

• 2 at AC nominal value

• at DC

Note

Input voltage

• 1 at AC

• initial value

• ultimate value

• 2 at AC

• initial value

• ultimate value

• at DC

Wide-range input

Yes

Overvoltage resistance

2.3 Vin rated, 1.3 ms

Mains buffering at Iout rated, min.

0.01 s

Mains buffering

at Vin = 230 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

0.22 A

• at nominal level of the input voltage 230 V

0.13 A

• at nominal level of the input voltage 24 V

• at nominal level of the input voltage 48 V

• at nominal level of the input voltage 110 V

• at nominal level of the input voltage 220 V

• at nominal level of the input voltage 400 V

• at nominal level of the input voltage 420 V

• at nominal level of the input voltage 500 V

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

23 A

Duration of current limiting at 25 °C

• typical

0.001 s

• maximum

Inrush current A s

0.3 A ·s

Built-in incoming fuse

T 2 A/250 V (not accessible)

Protection in the mains power input (IEC 898)

Recommended miniature circuit breaker: from 3 A, characteristic C

Output

Output

controlled, isolated DC voltage

Rated voltage

24 V

Total tolerance, static ±

3 %

Static mains compensation, approx.

0.2 %

Static load balancing, approx.

0.7 %

Residual ripple peak-peak, max.

0.15 V

Residual ripple peak-peak, typ.

0.05 V

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

0.24 V

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

0.15 V

Adjustment range min.

Adjustment range max.

Product feature output voltage adjustable

No

Output voltage setting

-

Note

Status display

Green LED for 24 V OK

Signaling

On/off behavior

No overshoot of Vout (soft start)

Startup delay, max.

1.5 s

Voltage rise, typ.

0.02 s

Voltage increase time of the output voltage maximum

Rated current value Iout rated

0.5 A

Current range

0 A

Current range up to +55 °C

0.5 A

Note

delivered active power typ.

12 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

0.6 A

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

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

constant overload current at short-circuit during operation typical

0.6 A

Parallel switching for enhanced performance

No

Note

Numbers of parallel switchable units for enhanced performance

Efficiency

Efficiency at Vout rated, Iout rated, approx.

74 %

Power loss at Vout rated, Iout rated, approx.

4.2 W

Closed-loop control

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

0.3 %

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

0.7 %

Load step setting time 50 to 100%, typ.

0.0015 s

Load step setting time 100 to 50%, typ.

0.0015 s

Setting time maximum

Protection and monitoring

Output overvoltage protection

Yes, according to EN 60950-1

Current limitation

0.55 … 0.65 A

Current limitation, typ.

Characteristic feature of the output short-circuit protected

Yes

Short-circuit protection

Constant current characteristic up to 0 V

Enduring short circuit current Effective level

• maximum

0.65 A

• typical

Note

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

0.0035 A

• typical

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 temparature

• 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, N, 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

0.0225 m

Height of the housing

0.08 m

Depth of the housing

0.091 m

Installation width

0.0225 m

Installation height

0.18 m

Weight, approx.

0.11 kg

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

Yes

Type of fixing

• wall-mounting

No

• cap rail mounting

Yes

Type of attachment S7-300 rail mounting

No

Installation

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

Electrical accessories

Mechanical accessories