Siemens SITOP DC power supply 6EP1931-2DC31

Siemens 6EP1931-2DC31 — SITOP DC power supply. DIN-rail primary-switched regulated 24 VDC power supply for automation panels.

Manufacturer part number (MPN)

6EP1931-2DC31

EAN / GTIN

4025515151029

Sales unit

pcs

Supply voltage at DC rated value

24 V

Input voltage at DC

22 ... 29 V

Adjustable response value voltage for buffer connection preset

22.5 V

Adjustable response value voltage for buffer connection

22 ... 25.5 V; Adjustable in 0.5 V increments

Input current at rated input voltage 24 V rated value

6 A; + approx. 0.6 A with empty battery

Type of energy storage

with batteries

Design of the mains power cut bridging-connection

Dependent on connected battery and load current, see selection table battery module and mains buffering times as well as the relevant important information notes!

Output voltage — in normal operation at DC rated value

24 V

Output voltage — in buffering mode at DC rated value

24 V

Formula for output voltage

Vin - approx. 0.5 V

Startup delay time typical

1 s

Voltage increase time of the output voltage typical

60 ms

Output voltage in buffering mode at DC

19 ... 28.5 V

Output current — rated value

6 A

Output current — in normal operation

0 ... 6 A

Output current — in buffering mode

0 ... 6 A

Peak current

6.3 A

Property of the output short-circuit proof

Yes

Charging current

0.2 A, 0.4 A

Efficiency in percent — at rated output voltage for rated value of the output current typical

95 %

Efficiency in percent — in case of operation on rechargeable battery typical

94.5 %

Power loss [W] — at rated output voltage for rated value of the output current typical

7 W

Power loss [W] — in case of operation on rechargeable battery typical

8 W

Supplied active power typical

144 W

Product function — reverse polarity protection against energy storage unit polarity reversal

Yes

Product function — reverse polarity protection against input voltage polarity reversal

Yes

Display version — for normal operation

Normal operation: LED green (OK), floating changeover contact "Bat/OK" to setting "OK" ("OK" means: Voltage of the supplying power supply unit is greater than cut-in threshold set at the DC UPS module); Lack of buffer standby: LED red (a...

Display version — in buffering mode

Buffered mode: LED yellow (Bat), floating changeover contact "OK/Bat" to setting "Bat"; Prewarning battery voltage < 20.4 VDC: LED red (alarm), floating changeover contact "Alarm/Bat" to setting "Alarm"; Energy storage > 85%: LED green (...

Product component PC interface

Yes

Product function communication function

No

Design of the interface

serial

Galvanic isolation between input and output

No

Operating resource protection class

Class III

Protection class IP

IP20

Standard — for emitted interference

EN 55022 Class B

Standard — for interference immunity

EN 61000-6-2

Shipbuilding approval

Yes

Ambient temperature — during operation

-25 ... +60 °C; with natural convection

Ambient temperature — during transport

-40 ... +85 °C

Ambient temperature — during storage

-40 ... +85 °C

Type of electrical connection

screw terminal

Type of electrical connection — at input

24 V DC: 2 screw terminals for 1 ... 4 mm²/17 ... 11 AWG

Type of electrical connection — at output

24 V DC: 4 screw terminals for 1 ... 4 mm²/17 ... 11 AWG

Type of electrical connection — for rechargeable battery module

24 V DC: 2 screw terminals for 1 ... 4 mm²/17 ... 11 AWG

Type of electrical connection — for control circuit and status message

10 screw terminals for 0.5 ... 2.5 mm²/20 ... 13 AWG

Width × height × depth of the enclosure

50 × 125 × 125 mm

Installation width × mounting height

50 mm × 225 mm

Required spacing — top

50 mm

Required spacing — bottom

50 mm

Fastening method

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

Fastening method — DIN-rail mounting

Yes

Fastening method — S7 rail mounting

No

Fastening method — wall mounting

No

Housing can be lined up

Yes

Mechanical data — net weight

0.45 kg

Electrical accessories

Battery module

Other information

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

Country of origin

Austria

HS Code

8504.90

• EAN 4025515151029
• SAP 1000052906
• Code 8821616