About SIEMENS POWER SUPPLY 6EP1961-2BA61

Data Sheet Siemens SITOP PSE200U

Article No.: 6EP1961-2BA61
Model: SITOP PSE200U/4x0.53A/SEO/NEC CLASS 2
Description: 4-channel selectivity module, 24 V DC, NEC Class 2, adjustable 0.53 A per channel.

Input

• Network type: Controlled DC voltage

• Rated supply voltage: 24 V DC

• Input voltage range: 2230 V

• Overvoltage capability: Up to 35 V

• Input current (24 V): 12 A

Output

• Output voltage: Controlled DC, approx. Vin 0.2 V

• Voltage tolerance: As per supply input

• Number of outputs: 4

• Rated output current (each): 3 A up to 60 C

• Adjustable trip current: 0.53 A (via potentiometer)

• Max response delay: 5 s

• Parallel switching: Not supported

Output Behavior

• All outputs connect simultaneously after input voltage > 20 V

• Delay: 25 ms, 100 ms, or load-optimized (via DIP switch)

Efficiency

• Efficiency: 97%

• Power loss: 9 W

Switch-off Characteristics

• Overcurrent:

  • 1.01.1 set value switch-off ~5 s

• Current limit:

  • 1.1 set value switch-off approx. 100 ms

• Immediate shutdown:

  • Iout > set value AND Vin < 20 V ~0.5 ms

• Residual current at cutoff: 1 mA (typ.)

Reset / Signaling

• Reset method: Sensor reset per output

• Remote reset: 24 V input, non-isolated (> 15 V = HIGH)

• LED Indicators (per output):

  • Green: Output ON

  • Yellow: Output manually OFF

  • Red: Overcurrent shutdown

• Status Output: Pulse/Pause signal (compatible with SIMATIC function blocks)

Protection / Safety

• Galvanic isolation: None (at switch-off)

• Safety standard: EN 62368-1

• Protection class: Class III

• IP Rating: IP20

Standards & Approvals

• CE: Yes

• UL: Yes (UL 2367, UL 508)

• EAC: Yes

• NEC Class 2: Yes

• CB Certificate: Yes

• Marine Approvals:

  • ABS

  • DNV

• Environmental Product Declaration: Yes

MTBF (40 C): 755,915 hours

Environmental Data

• Operation temperature: 25 to +60 C

• Transport / Storage: 40 to +85 C

• Humidity: 595% (no condensation)

• Climate class: 3K3

Connections

• Connection method: Screw terminals

Input terminals:

• +24 V: 2 terminals (0.516 mm)

• 0 V: 2 terminals (0.54 mm)

Output terminals:

• 1 terminal per output (0.54 mm)

Auxiliary (remote reset):

• 1 terminal (0.54 mm)

Signaling contact:

• 1 terminal (0.54 mm)

Mechanical Data

• Dimensions (W H D): 72 80 72 mm

• Mounting size: 72 180 mm

• Required spacing:

  • Top: 50 mm

  • Bottom: 50 mm

  • Left/Right: 0 mm

• Mounting:

  • DIN rail 35 mm (EN 60715)

  • S7 rail: No

  • Wall mount: No

• Weight: 0.2 kg 

Technical Details