Siemens 6EP1931-2DC21 Power Supply Brand 6EP19312DC21

Description:

The Siemens 6EP1931-2DC21 SITOP DC UPS power supply is used in industrial 24 V DC power backup systems. Commonly installed in control panels, PLC systems, and automation lines requiring uninterrupted power supply. Maintenance teams, OEMs, and system integrators use this part for replacement, retrofit, and power continuity protection.

Applications:

The Siemens 6EP1931-2DC21 power supply is used in manufacturing plants, control systems, automation panels, and industrial facilities to provide buffered 24 V DC power to PLCs, HMIs, and critical control devices during power interruptions where continuous operation and system reliability are essential.

Technical Specifications:

• Manufacturer: Siemens
• Model / Part Number: 6EP1931-2DC21
• Product Type: SITOP DC UPS Module (Uninterruptible Power Supply)
• Input Voltage: 24 V DC (22–29 V range)
• Output Voltage: 24 V DC
• Output Current: 6 A
• Input Current: Approx. 6 A (+ charging current)
• Charging Current: 0.2 A / 0.4 A
• Buffering Mode: 24 V DC output maintained during power loss
• Protection Rating: IP20
• Mounting: DIN rail
• Weight: Approx. 0.4 kg

Common Replacements:

• Siemens 6EP1931-2EC21
• Siemens 6EP1931-2DC31
• Siemens 6EP1931-2FC21