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Siemens 6EP1931-2EC21

SKU: 6EP1931-2EC21
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Siemens 6EP1931-2EC21 | Reliable DC UPS Module for Industrial Automation

Overview

The Siemens 6EP1931-2EC21 is a DC uninterruptible power supply (UPS) module from the SITOP series, designed to provide reliable backup power for 24 V DC systems. With an output current of 15 A and a power rating of 360 W, this module ensures uninterrupted operation of critical equipment during power disturbances. Its high efficiency of 96.2% and compact DIN rail mount design make it ideal for space-constrained industrial environments.

Key Features

  • Product Line: SITOP DC UPS

  • Input Voltage Range: 22–29 V DC

  • Output Voltage: 24 V DC

  • Output Current: 15 A

  • Power Rating: 360 W

  • Efficiency: 96.2%

  • Mounting: DIN rail (EN 60715)

  • Protection Class: IP20

  • Operating Temperature: -25°C to +60°C

  • Dimensions (W × H × D): 50 mm × 125 mm × 125 mm

  • Weight: Approx. 0.47 kg

  • Standards Compliance: EN 55022 Class B, EN 61000-6-2, cULus-Listed (UL 508, CSA C22.2 No. 107.1)

Technical Specifications

  • Catalog Number: 6EP1931-2EC21

  • Input Current:

    • Max. 16 A at 24 V DC with battery charging

    • Max. 15.1 A at 24 V DC with charged battery

  • Charging Current: Selectable 0.35 A or 0.7 A

  • End-of-Charge Voltage: Adjustable between 26.3 V and 29.3 V DC

  • Cut-in Threshold: Adjustable between 22.0 V and 25.5 V DC in 0.5 V steps

  • Buffering Time: Configurable via DIP switches; minimum of 10 minutes at 5 A load with 3.2 Ah battery module

  • Status Indicators:

    • Green LED: Normal operation

    • Green LED: Battery >85% charged

    • Yellow LED: Battery operation

    • Red LED: Battery not ready

  • Relay Contacts:

    • OK signal: SPDT

    • Battery operation signal: SPDT

    • Alarm signal: SPDT

  • Cooling: Natural convection

  • Environmental Conditions:

    • Climate Class 3K3 (per DIN EN 60721-3-3)

    • No condensation allowed

  • Battery Compatibility: Designed for use with SITOP battery modules (e.g., 6EP1935-6MD11, 6EP1935-6ME21)

Applications

  • Industrial automation systems requiring uninterrupted 24 V DC power

  • Protection of PLCs, sensors, actuators, and communication devices during power outages

  • Integration into control panels and switchgear assemblies

  • Suitable for applications in manufacturing, process control, and building automation

Why Choose the 6EP1931-2EC21?

  • High Efficiency: 96.2% efficiency reduces energy losses and heat generation

  • Compact Design: Slim 50 mm width conserves panel space

  • Flexible Configuration: Adjustable charging parameters and buffering times via DIP switches

  • Reliable Operation: Ensures continuous power supply to critical loads during voltage dips or outages

  • Easy Integration: DIN rail mounting and screw terminals simplify installation

Order Now

The Siemens 6EP1931-2EC21 SITOP DC UPS module is available for immediate shipping. 

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Siemens 6EP1931-2EC21 | Reliable DC UPS Module for Industrial Automation

Overview

The Siemens 6EP1931-2EC21 is a DC uninterruptible power supply (UPS) module from the SITOP series, designed to provide reliable backup power for 24 V DC systems. With an output current of 15 A and a power rating of 360 W, this module ensures uninterrupted operation of critical equipment during power disturbances. Its high efficiency of 96.2% and compact DIN rail mount design make it ideal for space-constrained industrial environments.

Key Features

  • Product Line: SITOP DC UPS

  • Input Voltage Range: 22–29 V DC

  • Output Voltage: 24 V DC

  • Output Current: 15 A

  • Power Rating: 360 W

  • Efficiency: 96.2%

  • Mounting: DIN rail (EN 60715)

  • Protection Class: IP20

  • Operating Temperature: -25°C to +60°C

  • Dimensions (W × H × D): 50 mm × 125 mm × 125 mm

  • Weight: Approx. 0.47 kg

  • Standards Compliance: EN 55022 Class B, EN 61000-6-2, cULus-Listed (UL 508, CSA C22.2 No. 107.1)

Technical Specifications

  • Catalog Number: 6EP1931-2EC21

  • Input Current:

    • Max. 16 A at 24 V DC with battery charging

    • Max. 15.1 A at 24 V DC with charged battery

  • Charging Current: Selectable 0.35 A or 0.7 A

  • End-of-Charge Voltage: Adjustable between 26.3 V and 29.3 V DC

  • Cut-in Threshold: Adjustable between 22.0 V and 25.5 V DC in 0.5 V steps

  • Buffering Time: Configurable via DIP switches; minimum of 10 minutes at 5 A load with 3.2 Ah battery module

  • Status Indicators:

    • Green LED: Normal operation

    • Green LED: Battery >85% charged

    • Yellow LED: Battery operation

    • Red LED: Battery not ready

  • Relay Contacts:

    • OK signal: SPDT

    • Battery operation signal: SPDT

    • Alarm signal: SPDT

  • Cooling: Natural convection

  • Environmental Conditions:

    • Climate Class 3K3 (per DIN EN 60721-3-3)

    • No condensation allowed

  • Battery Compatibility: Designed for use with SITOP battery modules (e.g., 6EP1935-6MD11, 6EP1935-6ME21)

Applications

  • Industrial automation systems requiring uninterrupted 24 V DC power

  • Protection of PLCs, sensors, actuators, and communication devices during power outages

  • Integration into control panels and switchgear assemblies

  • Suitable for applications in manufacturing, process control, and building automation

Why Choose the 6EP1931-2EC21?

  • High Efficiency: 96.2% efficiency reduces energy losses and heat generation

  • Compact Design: Slim 50 mm width conserves panel space

  • Flexible Configuration: Adjustable charging parameters and buffering times via DIP switches

  • Reliable Operation: Ensures continuous power supply to critical loads during voltage dips or outages

  • Easy Integration: DIN rail mounting and screw terminals simplify installation

Order Now

The Siemens 6EP1931-2EC21 SITOP DC UPS module is available for immediate shipping. 

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Siemens 6EP1931-2EC21

Siemens 6EP1931-2EC21

$420.00
Add to wishlist
Siemens 6EP1931-2EC21

Siemens 6EP1931-2EC21

Your Price:
$420.00
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