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Marvo Part ID: MV-ASR0

£112.69 (ex. VAT)


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Specification Description
Part Number 6EP1434-2BA20
Alternative Part Number 6EP14342BA20
Manufacturer Siemens
Category General Automation
Input Voltage Range 340 to 550 V ac
Output Current 0 to 10 A
Power 240 W
Efficiency Approximately 91%
Output Voltage 24 V DC, adjustable
Mounting Type Snaps onto DIN rail EN 60715 35x7.5/15
Status Display Green LED for 24 V OK
Signalling Relay contact (NO contact, rating 60 V DC/ 0.3 A) for "24 V OK"
Operating Temperature Range -25 ... +70 °C; with natural convection
Storage Temperature Range -40 ... +85 °C
Weight 0.700 kg
Dimensions (H x W x D) 135.00 mm x 130.00 mm x 75.00 mm
Approvals CE, EAC, C-Tick, ABS, DNV GL
MTBF 500,000 h at 40 °C
Environmental Conditions Climate class 3K3, 5 … 95% no condensation
Electrical Accessories Redundancy module, buffer module, selectivity module, DC UPS
Mechanical Accessories Device identification label 20 mm × 7 mm, pale turquoise 3RT1900-1SB20
Commodity Code 85044090

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.


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We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.


What countries can Marvo deliver to?

Marvo currently delivers to the United Kingdom (excluding Northern Ireland), the United States of America and Germany. If you cannot find your delivery address at checkout, this is most likely because Marvo does not currently deliver to this location. There are ongoing efforts to make Marvo accessible to a global market, keep your eyes peeled as our service expands to new locations. All orders are sold with a streamlined delivery process ensuring that you get your part, fast. Marvo is designed to offer you quick, easy and reliable access to critical components and uses well established global shipping services, including but not limited to DHL, UPS and FedEx.


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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.


Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.


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6EP1434-2BA20 Product Description

The Siemens 6EP1434-2BA20 is a robust and reliable power supply module designed to meet the demanding requirements of industrial automation systems. This unit is part of the esteemed SITOP PSU300S series and is engineered to provide a controlled, isolated DC voltage output. With a rated output of 24 V DC and a substantial 10 A current capacity, it is well-suited for a wide range of applications that require a stable power source.

The power supply operates with a three-phase AC input ranging from 400 to 500 V, making it versatile for global use due to its wide-range input capability. It also features mains buffering for at least 6 ms at 400 V input, ensuring continuity of power supply during brief outages or fluctuations in the mains electricity.

One of the key features of the 6EP1434-2BA20 is its ability to maintain a static output voltage with a total tolerance of ±3%, alongside dynamic load and mains compensation. This precision ensures that connected devices receive a consistent voltage, which is critical for sensitive electronic components.

For enhanced performance, this power supply module supports parallel switching, allowing up to two units to be connected for increased capacity or redundancy. The efficiency of the unit is approximately 91%, which translates to lower energy consumption and reduced operational costs.

The module is equipped with a green LED status display indicating "24 V OK", providing a quick visual confirmation of proper operation. Additionally, it includes a relay contact for remote signaling of the output voltage status, adding an extra layer of monitoring capability for automated systems.

Designed with safety in mind, the 6EP1434-2BA20 features primary/secondary isolation and is certified with a Class I protection class. The unit is also short-circuit proof, with a constant current characteristic for short-circuit protection, ensuring reliable operation and protection for both the power supply and connected equipment.

The compact design with dimensions of 70 mm width, 125 mm height, and 120 mm depth, along with a weight of approximately 0.7 kg, allows for efficient use of space inside control cabinets. The power supply can be easily snapped onto DIN rails, facilitating quick installation and maintenance.

Overall, the Siemens 6EP1434-2BA20 power supply module is a high-quality component that offers dependable performance, efficient operation, and ease of use, making it a valuable addition to any industrial automation system.

Frequently Asked Questions

What type of power supply is the Siemens 6EP1434-2BA20?

The Siemens 6EP1434-2BA20 is a stabilized power supply module designed for industrial use, providing a controlled and isolated DC voltage output.

Can the output voltage of the power supply be adjusted?

Yes, the output voltage of the power supply can be adjusted via a potentiometer within a range of 24 to 28 V DC.

Is the power supply module suitable for three-phase AC input?

Yes, the power supply is designed to operate with a three-phase AC input ranging from 340 to 550 V AC.

What is the rated output current of the power supply module?

The rated output current of the power supply module is 10 A, with the capability to handle up to 12 A up to +45°C.

How does the power supply handle short circuits?

The power supply is short-circuit proof and features a constant current characteristic for short-circuit protection.

What is the efficiency rating of the Siemens 6EP1434-2BA20?

The power supply has an efficiency rating of approximately 91% at rated output voltage and current.

Can this power supply be used in parallel for enhanced performance?

Yes, up to two units of the power supply can be used in parallel to enhance performance.

What are the dimensions of the Siemens 6EP1434-2BA20?

The power supply has a width of 70 mm, a height of 125 mm, and a depth of 120 mm.

Does the power supply have any certifications?

The power supply is CE marked and has approvals such as UL/cUL (CSA), and it also meets various EMC standards.

What is the Mean Time Between Failures (MTBF) for this power supply?

The MTBF for the Siemens 6EP1434-2BA20 is approximately 1,458,540 hours at 40°C.