Siemens SITOP UPS500S DC UPS 24VDC 15A 5kWs

Technical Overview

Maintenance-free 24V DC/15A industrial power supply with 5kWs energy, USB interface, and IP20 protection for critical automation applications.

Key Features

Maintenance-free capacitors with a long service life, even at ambient temperatures up to 60 °C.
No control cabinet ventilation required due to gas-free capacitor technology.
Fast charging times quickly restore buffer readiness after a power failure.
Equipped with a USB interface for communication with a PC, supported by a free software tool.
Expandable with up to three SITOP UPS501S expansion modules to extend buffer times.
Designed for DIN rail mounting, facilitating easy integration into industrial control panels.
Features reverse polarity protection for both the energy storage unit and the input voltage.
High efficiency of typically 97.5% reduces power loss.

Technical Specification Matrix

Parameter	Value
Input Voltage (Rated)	24 V DC
Input Voltage (Range)	22 ... 29 V DC
Output Voltage (Rated)	24 V DC
Output Voltage (Buffering Mode)	24 ... 24.7 V DC
Output Current (Rated)	15 A
Energy Content (Energy Storage)	5 kWs
Degree of Protection	IP20
Operating Temperature	-0°C to +60°C
Mounting Type	DIN Rail Mount
Interface	USB
Typical Efficiency	97.5%
Supplied Active Power (Typical)	360 W
Charging Current	1 A, 2 A adjustable (factory setting approx. 1 A)
Buffering Time (Example)	15 A for 9 s or 10 A for 15 s or 5 A for 31 s or 2 A for 76 s
Physical Weight (kg)	1
Dimensions L x W x H (cm)	15 x 15 x 13

Industrial Applications

1. Controlled Shutdown of Industrial PC-based Automation Systems

In manufacturing facilities, PC-based automation systems are critical for process control. The Siemens SITOP UPS500S ensures these systems can be safely shut down during brief power interruptions, leveraging its 5 kWs energy reserve to prevent data corruption and maintain operational continuity. The integrated USB interface facilitates communication for a graceful system shutdown.

Problem Solved

Prevents data loss and system corruption in industrial PCs during momentary power failures by enabling a controlled shutdown and data archiving.

Industrial PCControlled ShutdownData IntegrityPower Failure ProtectionUSB Interface5 kWs Energy

2. Temporary Power for Emergency Signaling and Safety Relays

For compact automation cells requiring immediate fault indication or safety functions during a main power loss, this UPS provides a reliable short-term 24V DC power source. With a 15A output and robust operating temperature range of -0°C to +60°C, it can power emergency lights, audible alarms, or critical safety relays for several minutes, ensuring personnel safety and clear fault status.

Problem Solved

Maintains power to essential safety and signaling components during brief power outages, crucial for safe operation and emergency response in industrial environments.

Emergency LightingSafety Signaling24V DCTemporary PowerDIN Rail MountingIP20High Temperature Operation

3. Process Stability for Critical 24V DC Sensors and Small Actuators

In sensitive processes where even minor power fluctuations can lead to process instability or product defects, the SITOP UPS500S offers continuous power to critical 24V DC sensors, small actuators, and embedded controllers. Its 15A output bridges power interruptions, preventing process disruptions, batch spoilage, or equipment damage, benefiting from its maintenance-free design in environments where access for battery replacement is challenging or temperatures are elevated.

Problem Solved

Ensures uninterrupted operation of vital 24V DC process control components (sensors, actuators) to maintain process stability and prevent quality issues or equipment damage during power dips.

Process StabilitySensor Power BackupActuator PowerContinuous Operation24V DCMaintenance-FreeIndustrial Control