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Siemens 6EP1331-1SH03 SITOP Compact Power Supply for industrial automation

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Siemens 6EP1331-1SH03

by Siemens

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OverviewThe Siemens 6EP1331-1SH03 SITOP Compact power supply is engineered for the rigors of modern industrial settings. This device provides a consistent and dependable 24V DC output, making it an indispensable part of small control panels and a variety of industrial automation and control systems where space is at a premium and a reliable power source is crucial. Despite its small size, its sophisticated design ensures peak performance, featuring accurate voltage regulation, comprehensive overload safeguarding, and high energy efficiency. It stands out as a robust and dependable choice, promising continuous operation and protecting your vital systems.Key Features Model: Siemens 6EP1331-1SH03 Output Power: Delivers a steady 24V DC at 2.5A for continuous component functionality. Compact Design: Optimized for installations with limited space, making it perfect for smaller control panels and enclosures. Broad Input Voltage Range: Flexible input from 85-264V AC and 120-370V DC accommodates a variety of international power grids. Robust Protection: Includes overload and short-circuit protection to prevent system damage and improve safety. High Efficiency: Operates with more than 85% efficiency, leading to reduced energy consumption and minimal heat generation. DIN Rail Mountable: Allows for quick, secure, and simple installation in standard industrial setups. Technical Specifications Input Voltage: 85-264V AC (single-phase), 120-370V DC Output Voltage: 24V DC Output Current: 2.5A Efficiency: >85% Ripple and Noise: <50mV Operating Temperature Range: -10°C to +70°C Protection Class: IP20 Dimensions (W x H x D): 45 x 80 x 100 mm Weight: Approximately 0.3 kg Certifications: CE, UL, CSA, IEC 60950-1 ensuring adherence to global safety and quality standards. Applications Industrial Automation Systems: Powers PLCs, sensors, HMI panels, and other vital control elements. Machine Building: Ideal for providing stable power within compact machinery and equipment. Process Control Industries: Ensures uninterrupted operation for sensors, actuators, and control loops in demanding processes. Building Management Systems: Provides reliable power for monitoring, security, and environmental control devices. Robotics and Conveyor Systems: Supports the continuous and precise operation of automated production lines. Test and Measurement Equipment: Offers a stable power source for sensitive electronic instruments and laboratory environments. Why Choose This Model?Unmatched Reliability: Constructed with Siemens' acclaimed quality, guaranteeing long-term stable operation and peace of mind.Space-Saving Solution: Its SITOP Compact design enables efficient use of cabinet space, which is crucial for contemporary industrial configurations.Enhanced System Protection: Integrated overload and short-circuit protection safeguards connected equipment, extending its service life.Energy and Cost Efficient: High efficiency results in lower energy expenses and reduced heat dissipation, leading to a cooler and more stable operational setting.Global Compatibility: A broad input voltage range and international certifications make it suitable for deployment worldwide.Order NowElevate the reliability and efficiency of your industrial systems with the Siemens 6EP1331-1SH03 SITOP Compact Power Supply. This essential component guarantees stable power delivery, protecting your operations and optimizing performance. Invest in Siemens quality – secure your unit today!FAQWhat is the primary output voltage of this power supply?The Siemens 6EP1331-1SH03 provides a stable 24V DC output at 2.5A.Is this power supply suitable for international use?Yes, it features a wide input voltage range (85-264V AC / 120-370V DC) and international certifications (CE, UL, CSA, IEC 60950-1), making it globally compatible.What are the key benefits of its compact design?The compact design is optimized for space-constrained installations, making it ideal for small control panels and cabinets where efficient use of space is critical.Does it offer protection against electrical faults?Yes, this power supply includes robust overload and short-circuit protection to prevent damage to your system and enhance safety.How does this unit contribute to energy efficiency?Operating with over 85% efficiency, it helps in reducing energy consumption and minimizing heat generation, leading to a cooler and more stable operating environment.

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PRODUCT DETAILS

Siemens 6EP1331-1SH03

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: 85-264V AC (single-phase), 120-370V DC
  • Output Voltage: 24V DC
  • Output Current: 2.5A
  • Efficiency: >85%
  • Ripple and Noise: <50mV
  • Operating Temperature Range: -10°C to +70°C
  • Protection Class: IP20
  • Dimensions (W x H x D): 45 x 80 x 100 mm
  • Weight: Approximately 0.3 kg
  • Certifications: CE, UL, CSA, IEC 60950-1 ensuring adherence to global safety and quality standards.

Applications

  • Industrial Automation Systems: Powers PLCs, sensors, HMI panels, and other vital control elements.
  • Machine Building: Ideal for providing stable power within compact machinery and equipment.
  • Process Control Industries: Ensures uninterrupted operation for sensors, actuators, and control loops in demanding processes.
  • Building Management Systems: Provides reliable power for monitoring, security, and environmental control devices.
  • Robotics and Conveyor Systems: Supports the continuous and precise operation of automated production lines.
  • Test and Measurement Equipment: Offers a stable power source for sensitive electronic instruments and laboratory environments.

Why Choose the 6EP1331-1SH03?

Unmatched Reliability: Constructed with Siemens' acclaimed quality, guaranteeing long-term stable operation and peace of mind.

Space-Saving Solution: Its SITOP Compact design enables efficient use of cabinet space, which is crucial for contemporary industrial configurations.

Enhanced System Protection: Integrated overload and short-circuit protection safeguards connected equipment, extending its service life.

Energy and Cost Efficient: High efficiency results in lower energy expenses and reduced heat dissipation, leading to a cooler and more stable operational setting.

Global Compatibility: A broad input voltage range and international certifications make it suitable for deployment worldwide.

Availability & Shipping

  • In stock: 6EP1331-1SH03 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 6EP1331-1SH03 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

The Siemens 6EP1331-1SH03 provides a stable 24V DC output at 2.5A.

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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Independent Supplier Notice

PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

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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