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Siemens SITOP UPS500S 6EP1933-2EC41 Uninterruptible Power Supply Module

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Siemens 6EP1933-2EC41

by Siemens

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OverviewThe Siemens 6EP1933-2EC41 SITOP UPS500S is a sophisticated, zero-maintenance uninterruptible power supply (UPS) meticulously crafted to secure vital industrial automation and control systems from power inconsistencies and outages. Utilizing cutting-edge capacitive energy retention, this UPS eradicates the necessity for conventional battery upkeep, guaranteeing unmatched reliability and an exceptionally long operational lifespan. Its integrated USB interface facilitates seamless communication and straightforward integration with PC-based automation setups, enabling systematic shutdown sequences and data preservation during power interruptions. Engineered for resilience, the 6EP1933-2EC41 provides a consistent 24 V DC output at up to 15 A, boasting a substantial 2.5 kWs energy storage capacity, all contained within a compact IP20-rated enclosure. This unit is an essential element for any critical application demanding an unwavering power source.Key Features Maintenance-Free Capacitive Storage: Experience superior reliability and reduced operational expenditures thanks to advanced capacitive energy storage, eliminating the need for battery replacements and related maintenance. Integrated USB Interface: Enables effortless communication and streamlined integration with PC-based control systems, facilitating intelligent power management and data protection. Robust 2.5 kWs Energy Buffer: Supplies ample power buffering for critical loads, ensuring continuous operation and preventing costly downtime during momentary power disruptions. Optimized 24 V DC Input/Output: Perfectly suited for industrial control systems, offering a stable and dependable 24 V DC supply with an output current capability of up to 15 A. Space-Saving Compact Design: With dimensions of just 120 x 125 x 125 mm and a weight of approximately 1 kg, this unit allows for flexible installation even within space-constrained industrial cabinets. Exceptional 97.5% Efficiency: Benefit from maximized energy utilization and reduced operating temperatures due to its high-efficiency design, contributing to a lower total cost of ownership. Wide Operating Temperature Range: Certified for reliable operation across a broad temperature spectrum from 0°C to +60°C, making it suitable for diverse industrial environments. Technical Specifications Input Voltage Range: 22 to 29 V DC Output Voltage: 24 V DC ±3% Buffering Time: At 15 A load: 3 seconds At 10 A load: 6 seconds At 5 A load: 15 seconds At 2 A load: 38 seconds Longer buffering times are achievable with optional expansion modules. Charging Current: Factory set to approximately 1 A; adjustable to 2 A. Protection Features: Includes robust reverse polarity protection for both the input voltage and the energy storage unit connections, enhancing system safety. Operating Temperature Range: 0°C to +60°C Storage Temperature Range: -40°C to +70°C Relative Humidity: 5% to 95% (non-condensing) Mounting: Designed for convenient and secure DIN rail mounting. Dimensions (W x H x D): 120 x 125 x 125 mm Weight: Approximately 1 kg Degree of Protection: IP20 Applications Critical Industrial Automation: Ensure the continuous operation of PLCs, HMIs, and other control components, preventing costly production halts and data corruption during power disturbances. Process Control Systems: Maintain uninterrupted power to essential process equipment, safeguarding against process disruptions that could lead to product spoilage, quality issues, or safety hazards. PC-Based Machine Control: Provide crucial buffering time for industrial PCs, enabling controlled shutdown procedures, saving valuable operational data, and preventing software corruption in the event of a power failure. Embedded Systems Protection: Ideal for protecting various embedded and edge computing devices within industrial settings that require a stable and reliable 24V DC power source. Data Centers (Edge Applications): Deploy in smaller, localized data centers or edge computing environments where a compact, maintenance-free UPS is beneficial. Why Choose This Product?This Siemens UPS module offers unparalleled reliability with its innovative capacitive storage, eliminating typical maintenance headaches associated with battery-based systems. Its robust design, wide operating temperature range, and high efficiency ensure stable performance in demanding industrial environments. The integrated USB interface simplifies integration and intelligent power management, making it a smart choice for protecting sensitive industrial equipment.Order NowSecure your critical operations with the Siemens SITOP UPS500S 6EP1933-2EC41. Contact Palm Parts Solution today to place your order or to learn more about how this advanced UPS can benefit your industrial setup.FAQWhat makes this UPS maintenance-free?The Siemens 6EP1933-2EC41 uses advanced capacitive energy storage instead of traditional batteries, which typically require regular inspection and replacement. This design choice results in a system that needs no ongoing maintenance for its energy storage component.Can this UPS be used with any industrial PC?Yes, with its integrated USB interface, the UPS can seamlessly communicate with PC-based automation environments, allowing for controlled shutdown sequences and data preservation, making it suitable for a wide range of industrial PCs.How long can this UPS supply power during an outage?The buffering time depends on the load. For example, it can supply power for 3 seconds at a 15 A load or 38 seconds at a 2 A load. Longer buffering durations can be achieved by integrating optional expansion modules.Is this UPS difficult to install?No, the Siemens 6EP1933-2EC41 is designed for convenient and secure DIN rail mounting, making its installation straightforward in most industrial cabinets.What kind of environments is this UPS rated for?It is designed for demanding industrial environments, with an IP20 degree of protection and a wide operating temperature range of 0°C to +60°C. It also features robust protection against reverse polarity.

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PRODUCT DETAILS

Siemens 6EP1933-2EC41

Overview

This is a genuine Siemens component from the SITOP Power Supplies family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Siemens catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Siemens automation ecosystem
  • Engineered to integrate inside SITOP Power Supplies installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Siemens platform with documented conversion notes for the SITOP Power Supplies family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Input Voltage Range: 22 to 29 V DC
  • Output Voltage: 24 V DC ±3%
  • Buffering Time:
    • At 15 A load: 3 seconds
    • At 10 A load: 6 seconds
    • At 5 A load: 15 seconds
    • At 2 A load: 38 seconds

    Longer buffering times are achievable with optional expansion modules.

  • Charging Current: Factory set to approximately 1 A; adjustable to 2 A.
  • Protection Features: Includes robust reverse polarity protection for both the input voltage and the energy storage unit connections, enhancing system safety.
  • Operating Temperature Range: 0°C to +60°C
  • Storage Temperature Range: -40°C to +70°C
  • Relative Humidity: 5% to 95% (non-condensing)
  • Mounting: Designed for convenient and secure DIN rail mounting.
  • Dimensions (W x H x D): 120 x 125 x 125 mm
  • Weight: Approximately 1 kg
  • Degree of Protection: IP20

Applications

  • Critical Industrial Automation: Ensure the continuous operation of PLCs, HMIs, and other control components, preventing costly production halts and data corruption during power disturbances.
  • Process Control Systems: Maintain uninterrupted power to essential process equipment, safeguarding against process disruptions that could lead to product spoilage, quality issues, or safety hazards.
  • PC-Based Machine Control: Provide crucial buffering time for industrial PCs, enabling controlled shutdown procedures, saving valuable operational data, and preventing software corruption in the event of a power failure.
  • Embedded Systems Protection: Ideal for protecting various embedded and edge computing devices within industrial settings that require a stable and reliable 24V DC power source.
  • Data Centers (Edge Applications): Deploy in smaller, localized data centers or edge computing environments where a compact, maintenance-free UPS is beneficial.

Why Choose the 6EP1933-2EC41?

This Siemens UPS module offers unparalleled reliability with its innovative capacitive storage, eliminating typical maintenance headaches associated with battery-based systems. Its robust design, wide operating temperature range, and high efficiency ensure stable performance in demanding industrial environments. The integrated USB interface simplifies integration and intelligent power management, making it a smart choice for protecting sensitive industrial equipment.

Availability & Shipping

  • In stock: 6EP1933-2EC41 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 6EP1933-2EC41 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

The Siemens 6EP1933-2EC41 uses advanced capacitive energy storage instead of traditional batteries, which typically require regular inspection and replacement. This design choice results in a system that needs no ongoing maintenance for its energy storage component.

Machine down? We ship parts the same day.

New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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