About SIEMENS POWER SUPPLY 6EP1961-3BA21

SITOP PSE202Uredundancy module input/output: 24 V DC/40 A suitable for decoupling two SITOPpower supplies with maximal per 20 A output current

SITOP PSE202U Redundancy Module (6EP1961-3BA21)

Type: Redundancy module
Input/Output: 24 V DC / 40 A
Purpose: Decouples two SITOP power supplies (max 20 A each)

Input Specifications

• Supply voltage: 24 24 V DC

• Input voltage range: 24 28.8 V DC

• Type of supply: DC voltage

Output Specifications

• Output voltage: 24 V DC

• Formula for output: Vin - approx. 0.5 V

• Output adjustable: No

• Rated current: 40 A (max aggregate current 40 A)

• Derating: 3%/K above 60 70 C

• Efficiency: 96.6 %

• Power loss:

  • Rated load: 34 W

  • No-load: 1.5 W

• Display for normal operation:

  • Green LED: both input voltages > threshold

  • Red LED: at least one input voltage < threshold

• Output signal: Isolated relay contact (changeover)

  • Rating: 8 A / 240 V AC or 24 V DC

  • Threshold setting: 20 25 V

Safety & Protection

• Galvanic isolation: Yes, SELV acc. to EN 60950-1

• Protection class: IP20

• Operating resource protection class: Class III

• EMC standards: EN 55022 Class B (emission), EN 61000-6-2 (immunity)

Mechanical Data

• Dimensions (W H D): 70 125 120 mm

• Mounting: DIN rail EN 60715 357.5/15 mm

• Net weight: 0.5 kg

• Required spacing: Top/bottom 50 mm, left/right 0 mm

• Housing can be lined up: Yes

Connection

• Electrical connection: Screw terminals

  • Input/output/ground: 1 terminal each, 0.33 10 mm

  • Auxiliary contacts: 3 terminals, 0.5 2.5 mm

Ambient Conditions

• Operating temperature: -25 +60 C (natural convection)

• Transport/storage: -40 +85 C

• Environmental class: IEC 60721, 3K3, 5 95 % RH, no condensation 

Technical Details