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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.
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.