Siemens SITOP DC power supply 6EP1961-2BA11

Siemens 6EP1961-2BA11 — SITOP DC power supply. DIN-rail primary-switched regulated 24 VDC power supply for automation panels. SITOP PSE200U 3 A "Selectivity" module for 4 channels, Input: 24 V DC/3 A per trunking outlet, adjustable.

Manufacturer part number (MPN)

6EP1961-2BA11

EAN / GTIN

4025515152651

Sales unit

pcs

Type of the power supply network

Controlled DC voltage

Supply voltage at DC rated value

24 V

Input voltage at DC

22 ... 30 V

Overvoltage overload capability

35 V

Input current at rated input voltage 24 V rated value

12 A

Voltage curve at output

controlled DC voltage

Formula for output voltage

Vin - approx. 0.2 V

Relative overall tolerance of the voltage note

In accordance with the supplying input voltage

Number of outputs

4

Output current up to 60 °C per output rated value

3 A

Adjustable current response value current of the current-dependent overload release

0.5 ... 3 A

Type of response value setting

via potentiometer

Response delay maximum

5 s

Product feature parallel switching of outputs

No

Type of outputs connection

simultaneous switch-on of all outputs after power-up of the supply voltage > 20 V, delay time of 25 ms, 100 ms, or "load-optimized" via DIP switch configurable for sequential switch-on

Efficiency in percent

97 %

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

9 W

Switching characteristic — of the excess current

Iout = 1.0 ...1.5 x set value, switch-off after approx. 5 s

Switching characteristic — of the current limitation

Iout = 1.5 x set value, switch-off after typ. 100 ms

Switching characteristic — of the immediate switch-off

Iout > set value and Vin < 20 V, switch-off after approx. 0.5 ms

Residual current at switch-off typical

1 mA

Design of the reset device/resetting mechanism

via sensor per output

Remote reset function

non-isolated 24 V input (signal level "high" at > 15 V)

Fuse protection type at input

5 A per output (not accessible)

Display version for normal operation

Three-color LED per output: green LED for "Output switched through"; yellow LED for "Output switched off manually"; red LED for "Output switched off due to overcurrent"

Design of the switching contact for signaling function

Common signal contact (changeover contact, rating 0.1 A/24 V DC)

Galvanic isolation between input and output at switch-off

No

Standard for safety

according to EN 62368-1

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

Connection method — at input

+24 V: 2 screw terminals for 0.5 ... 16 mm²; 0 V: 2 screw terminals for 0.5 ... 4 mm²

Connection method — at output

Output 1 ... 4: 1 screw terminal each for 0.5 ... 4 mm²

Connection method — for auxiliary contacts

Remote reset: 1 screw terminal for 0.5 ... 4 mm²

Connection method — for signaling contact

3 screw terminals for 0.5 ... 4 mm²

Width × height × depth of the enclosure

72 × 80 × 72 mm

Installation width × mounting height

72 mm × 180 mm

Required spacing — top

50 mm

Required spacing — bottom

50 mm

Fastening method

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

Mechanical data — DIN-rail mounting

Yes

Mechanical data — S7 rail mounting

No

Mechanical data — wall mounting

No

Housing can be lined up

Yes

Mechanical data — net weight

0.2 kg

Mechanical accessories

Device identification label 20 mm × 7 mm, TI-grey 3RT2900-1SB20

Other information

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

Type of electric connection

Screw connection

With detachable clamps

No

Single-phase under current possible

No

Three-phase under current possible

No

Single-phase overcurrent possible

No

Three-phase overcurrent possible

No

Single-phase hysteresis possible

No

Three-phase hysteresis possible

No

Contains function DC-voltage under current

No

Contains function DC-voltage overcurrent

Yes

Function DC-current hysteresis

Yes

Rated control supply voltage DC

22–30 V

Voltage type for actuating

DC

Current measuring range

0.5–3 A

Max. permitted delay-on energization time

5 s

Number of contacts as change-over contact

1

Width

72 mm

Height

80 mm

Depth

72 mm

Country of origin

Germany

HS Code

8536.30

• EAN 4025515152651
• SAP 1000350934
• Code 8393978