Input

type of the power supply network

DC voltage

supply voltage at AC

• ● initial value

Startup as of 18 V, derating necessary for 14 ... 18 V DC

supply voltage

• ● at DC

24 ... 24 V

b voltage

• ● at DC

14 ... 32 V

design of b wide range b

No

overvoltage overload capability

-

operating condition of the mains buffering

at Vin = 24 V

buffering time for rated value of the output current in the event of power failure minimum

5 ms

operating condition of the mains buffering

at Vin = 24 V

b current

• ● at rated b voltage 24 V

10.8 A

current limitation of inrush current at 25 °C maximum

15 A

I2t value maximum

0.6 A2·s

fuse protection type

25 A (not accessible), breaking capacity 300 A

• ● in the feeder

Recommended miniature circuit breaker: 16 A characteristic B or C

Output

voltage curve at output

Controlled, isolated DC voltage

output voltage at DC rated value

24 V

relative overall tolerance of the voltage

1 %

relative control precision of the output voltage

• ● on slow fluctuation of b voltage

0.1 %

• ● on slow fluctuation of ohm loading

0.3 %

residual ripple

• ● maximum

150 mV

• ● typical

30 mV

voltage peak

• ● maximum

250 mV

• ● typical

50 mV

adjustable output voltage

24 ... 28 V

product function output voltage adjustable

Yes

type of output voltage setting

via potentiometer

display version for normal operation

Green LED for 24 V OK

type of signal at output

Relay contact (NO contact, contact rating 30 V AC/0.5 A; 60 V DC/0.3 A; 30 V DC/1 A) for 24 V O.K.

behavior of the output voltage when switching on

No overshoot of Vout (soft start)

response delay maximum

0.5 s

voltage increase time of the output voltage

• ● typical

10 ms

• ● maximum

20 ms

output current

• ● rated value

10 A

• ● rated range

0 ... 12.5 A; 12 A up to +40°C; +60 ... +70 °C: Derating 2%/K

supplied active power typical

260 W

product feature

• ● parallel switching of outputs

can be set with DIP switch

• ● bridging of equipment

Yes; switchable characteristic

number of parallel-switched equipment resources for increasing the power

2

Efficiency

efficiency in percent

93 %

power loss [W]

• ● at rated output voltage for rated value of the output current typical

20 W

• ● during no-load operation maximum

1.5 W

Closed-loop control

relative control precision of the output voltage with rapid fluctuation of the b voltage by +/- 15% typical

0.3 %

relative control precision of the output voltage load step of resistive load 50/100/50 % typical

2 %

setting time

• ● load step 50 to 100% typical

1 ms

• ● load step 100 to 50% typical

1 ms

Protection and monitoring

design of the overvoltage protection

Ua < 35 V

response value current limitation typical

13 A

property of the output short-circuit proof

Yes

design of short-circuit protection

Electronic shutdown, automatic restart

display version for overload and short circuit

Yellow LED overload

Safety

galvanic isolation between b and output

Yes

galvanic isolation

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

operating resource protection class

Class III

protection class IP

IP20

Approvals

certificate of suitability

• ● CE marking

Yes

certificate of suitability

• ● railway application in accordance with EN 50121-3-2

Yes; EMC for rail vehicles

• ● railway application in accordance with EN 50124-1

Yes

• ● railway application in accordance with EN 50125-1

Yes; Rail vehicles - see ambient conditions

• ● railway application in accordance with EN 50155

Yes; Rail vehicles - Temperature class OT3, ST1/ST2, horizontal installation

• ● railway application in accordance with EN 61373

Yes; Rail vehicles - vibrations and shocks: Category 1 Class A/B

• ● fire protection in accordance with EN 45545-2

Yes; Proof see Service & Support

EMC

standard

• ● for emitted interference

EN 61000-6-3

• ● for mains harmonics limitation

not applicable

• ● for interference immunity

EN 61000-6-2

environmental conditions

ambient temperature

• ● during operation

-25 ... +70 °C

• ● during transport

-40 ... +85 °C

• ● during storage

-40 ... +85 °C

• ● in horizontal mounting b during operation

-25 ... +70 °C; with natural convection

• ● during storage and transport

-40 ... +85 °C

installation altitude at height above sea level maximum

6 000 m

ambient condition relating to ambient temperature - air pressure - installation altitude

In case of operation at altitudes of 2000 - 6000 m above sea level: Output power derating of -7.5 %/1000 m or reduction of the ambient temperature by 5 K/1000 m

relative humidity with condensation according to IEC 60068-2-38 maximum

100 %; RH incl. condensation/frost (no commissioning if condensation is present), horizontal installation

chemical resistance to commercially available cooling lubricants

Yes; incl. diesel and oil droplets in the air

resistance to biologically active substances conbity according to EN 60721-3-3

Yes; Class 3B2 mold, fungal, sponge spores (except fauna); class 3B3 upon request

resistance to chemically active substances conbity according to EN 60721-3-3

Yes; Class 3C4 (RH < 75%) incl. salt spray acc. to EN 60068-2-52 (severity level 3)

resistance to mechanically active substances conbity according to EN 60721-3-3

Yes; Class 3S4 incl. sand, dust

coating for equipped printed circuit board according to EN 61086

Yes; Class 2 for high availability

type of coating protection against pollution according to EN 60664-3

Yes; Type 1 protection

type of coating for electronic devices in railway applications according to EN 50155

Yes; Protective coating of Class PC2 acc. to EN 50155:2017

type of test of the coating according to MIL-I-46058C

Yes; Discoloration of the coating during service life possible

product conbity of the coating Qualification and Perbance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830A

Yes; Conbal Coating, Class A

Mechanics

type of electrical connection

screw-type terminals

• ● at b

L, N, FE: 1 screw terminal each for 0.5 ... 2.5 mm2 single-core/finely stranded

• ● at output

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

• ● for auxiliary contacts

Alarm signals: 2 screw terminals for 0.5 ... 2.5 mm2

• ● for signaling contact

2 screw terminals for 0.5 ... 2.5 mm2

b of the enclosure

42 mm

height of the enclosure

125 mm

depth of the enclosure

120 mm

required spacing

• ● top

50 mm

• ● bottom

50 mm

• ● left

0 mm

• ● right

0 mm

net weight

0.6 kg

product feature of the enclosure housing can be lined up

Yes

fastening b

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

electrical accessories

Buffer module

MTBF at 40 °C

1 579 080 h

other inbation

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