SIEMENS POWER SUPPLY 6EP1931-2DC21

About SIEMENS POWER SUPPLY 6EP1931-2DC21

The Siemens Power Supply 6EP1931-2DC21 is a reliable and efficient industrial power supply unit in a sleek black color and standard size. Operating on electric power mode, this power supply delivers a stable 24 Volt output, making it ideal for various industrial applications. It is brand new, ensuring top-notch performance, and comes with a 1-year warranty for added peace of mind.

SITOP DC UPS Module / 24 V DC / 6 A

• SITOP DC UPS module 24 V / 6 A uninterruptible power supply without interface
• Input: 24 V DC / 6.85 A
• Output: 24 V DC / 6 A

Input

• 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: 22 25.5 V (0.5 V increments)

• Input current at rated input voltage 24 V: 6 A

  • • approx. 0.6 A with empty battery

Memory

• Type of energy storage: with batteries

• Bridging time: Dependent on connected battery and load current

  • See selection table battery module and mains buffering times

Output

Output Voltage

• Normal operation (DC): 24 V

• Buffering mode (DC): 24 V

• Formula: Vin approx. 0.5 V

• Startup delay time: typ. 1 s

• Voltage increase time: typ. 60 ms

• Output voltage in buffering mode: 19 28.5 V

Output Current

• Rated value: 6 A

• Normal operation: 0 6 A

• Buffering mode: 0 6 A

• Peak current: 6.3 A

• Short-circuit proof: Yes

• Charging current: 0.2 A, 0.4 A

Efficiency

• At rated output voltage, rated output current: 95% (typ.)

• In operation on rechargeable battery: 94.5% (typ.)

• Power loss:

  • Normal operation: 7 W (typ.)

  • Battery operation: 8 W (typ.)

• Supplied active power: 144 W (typ.)

Protection & Monitoring

• Reverse polarity protection (battery): Yes

• Reverse polarity protection (input voltage): Yes

Display Version

Normal Operation

• LED green (OK)

• Floating contact Bat/OK OK

• Alarm: LED red, floating contact Alarm/Bat

• Battery replacement required: LED red flashing (0.25 Hz)

• Energy storage > 85%: LED green (Bat > 85%), NO contact closed

• Contact rating: DC 60 V / 1 A or AC 30 V / 1 A

Buffering Mode

• LED yellow (Bat)

• Contact OK/Bat Bat

• Prewarning < 20.4 V: LED red

• Energy storage > 85%: LED green, NO contact closed

Interfaces

• PC interface: No

• Communication function: No

• Interface design: Without

Safety

• Galvanic isolation input/output: No

• Protection class: Class III

• IP rating: IP20

• EMC standards:

  • EN 55022 Class B

  • EN 61000-6-2

Approvals

• CE marking: Yes

• UL approval: Yes (cULus-Listed)

• EAC approval: Yes

• Marine approval: Yes (ABS, DNV)

• MTBF at 40 C: 1,085,776 h

Environmental Product Declaration

• Total GWP: 269.2 kg CO eq

  • Manufacturing: 18.6 kg

  • Operation: 250.4 kg

  • End of life: 0.3 kg

Ambient Conditions

• Operation: 25 +60 C (natural convection)

• Transport: 40 +85 C

• Storage: 40 +85 C

• Climate class: 3K3, 595% no condensation

Connection Method

• Electrical connection: Screw terminals

• Input 24 V DC: 2 terminals (1 4 mm)

• Output 24 V DC: 4 terminals (1 4 mm)

• Battery module: 2 terminals (1 4 mm)

• Control/status: 10 terminals (0.5 2.5 mm)

Mechanical Data

• Enclosure (WHD): 50 125 125 mm

• Installation width height: 50 mm 225 mm

• Required spacing:

  • Top: 50 mm

  • Bottom: 50 mm

  • Left: 0 mm

  • Right: 0 mm

• Mounting: DIN rail (EN 60715)

• Wall mounting: No

• Housing can be lined up: Yes

• Net weight: 0.4 kg 

Technical Details