Siemens SITOP DC power supply 6EP1961-3BA21

Siemens 6EP1961-3BA21 — SITOP DC power supply. DIN-rail primary-switched regulated 24 VDC power supply for automation panels. SITOP PSE202U Redundansmodul, input/output: 24 V/40 A DC, can be used till dekobling of 2 SITOP.

Manufacturer part number (MPN)

6EP1961-3BA21

EAN / GTIN

4025515152675

Sales unit

pcs

Type of the power supply network

DC voltage

Supply voltage at DC

24 V

Input voltage at DC

24 ... 28.8 V

Voltage curve at output

Controlled, isolated DC voltage

Output voltage at DC rated value

24 V

Formula for output voltage

Vin - approx. 0.5 V

Output voltage adjustable

No

Display version for normal operation

Green LED for "both Input voltages > switching threshold"; red LED: for "at least one input voltage < switching threshold"

Type of signal at output

Isolated relay contact (changeover contacts, rating 8 A/240 V AC

24 V DC)

Signals OK if both input voltages > switching threshold, setting range of threshold 20 ... 25 V

Output current rated value

40 A

Output current rated range

40 A; max. aggregate current 40 A; +60 ... +70 °C: derating 3%/K

Efficiency in percent

96.5 %

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

34 W

Power loss [W] during no-load operation maximum

1.5 W

Galvanic isolation between input and output

No

Galvanic isolation

relay contact: SELV, ES1 (IEC 62368-1), DVC As (IEC 61204-7)

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

CE marking

Yes

UL approval

Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259

EAC approval

Yes

MTBF at 40 °C

6 471 654 h

Shipbuilding approval

Yes

American Bureau of Shipping Europe Ltd. (ABS)

Yes

It Norske Veritas (DNV)

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

Connection method — at input

Input, output and ground: 1 screw terminal each for 0.33 ... 10 mm² single-core/finely stranded

For auxiliary contacts

Relay contact: 3 screw terminals for 0.5 ... 2.5 mm² single-core/finely stranded

Width × height × depth of the enclosure

70 × 125 × 120 mm

Installation width × mounting height

70 mm × 225 mm

Fastening method

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

Housing can be lined up

Yes

Mechanical data — net weight

0.5 kg

Voltage type (supply voltage)

DC

1st secondary output voltage

24 V

Max. output current 1

40 A

Secondary voltage adjustable

No

Nominal value output voltage 1

24 V

Nominal value output current 1

40 A

Rated supply voltage DC

24 V

Output voltage stabilized

Yes

Type of electric connection

Screw connection

Suitable for rail mounting

Yes

Wall mounting possible

No

Suitable for distribution board

Yes

Built-in width

70 mm

Built-in height

225 mm

Direct mounting possible

No

Width

70 mm

Height

125 mm

Depth

120 mm

Suitable for safety functions

No

Degree of protection (IP)

IP20

Suitable for wall mounting

No

Country of origin

Germany

HS Code

8504.90

• EAN 4025515152675
• SAP 1000350936
• Code 8393986