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Selectron PU300

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£153.97 (ex. VAT)

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PU300

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Marvo Stock ID MV-IPS0
HS Code 850440
SKU PU300
Condition Used
Warranty 12 months
Weight (kg) 1.10
Length (mm) 203.20
Width (mm) 127.00
Height (mm) 50.80

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Specification & Description

Specification Description
Part Number PU300
Alternative Part Number PU300
Manufacturer Selectron
Power Output 200-300 watts continuous output power
Input Voltage 90-264 VAC
Input Frequency 47-63 Hz
Input Current 4.7 A (rms) for 115 VAC, 2.3 A (rms) for 230 VAC
Earth Leakage Current 300 μA max. @ 264 VAC, 63 Hz
Output Voltage/Current Multiple models with various outputs, see rating chart
Ripple and Noise 1% peak to peak maximum
Overvoltage Protection Provided on output #1 only; set at 115-140% of its nominal output voltage
Overcurrent Protection All outputs protected to short circuit conditions
Temperature Coefficient All outputs ±0.04% / ℃ maximum
Transient Response Maximum excursion of 4% or better on all models, recovering to 1% of final value within 500 us
Fan Power 12 V at 350 mA maximum for B version, 12 V at 100 mA maximum for C version
Operating Temperature 0 to +70℃
Storage Temperature -40 to +85℃
Relative Humidity 5% to 95% non-condensing
Derating Derate from 100% at +50℃ linearly to 50% at +70℃
Cooling 35 CFM forced air cooling or convection cooling
Switching Frequency 70 KHz ± 10 KHz
Power Factor 0.98 typical
Efficiency 70% minimum on all models
Hold-up Time 12 ms minimum at 110 VAC
Line Regulation ±0.2% maximum at full load
Inrush Current 30 A @ 115 VAC or 60A @ 230 VAC, at 25℃ cold start
Withstand Voltage 3000 VAC from input to output, 1500 VAC from input to ground, 500 VAC from output to ground
MTBF 300,000 hours minimum at full load at 25℃ ambient, calculated per MIL-HDBK-217F
EMC Performance Compliant with multiple EMC standards including EN55022 and EN61000 series
Safety Standard Approvals UL 60950-1, CSA C22.2 No. 60950-1, TÜV EN 60950-1
RoHS Compliant Yes

The Selectron PU300 is a versatile and robust power supply unit designed to meet the rigorous demands of industrial and Information Technology Equipment (ITE) applications. This series offers a range of models that deliver continuous output power between 200 to 300 watts, ensuring reliable performance for a variety of systems.

Crafted with precision, the PU300 series operates efficiently across a wide input voltage range of 90-264 VAC without the need for a selector strap, simplifying installation and usage. The power supplies feature multiple outputs with magnetic amplifiers to maintain tight regulation, even under dynamic load conditions.

Key features of the PU300 series include overvoltage and short-circuit protection, ensuring the longevity and safety of both the power supply and the connected equipment. The units also come with a Power Fail Detect (PFD) signal, remote sense on primary outputs, and a remote inhibit function, providing enhanced control and monitoring capabilities.

The PU300 models are constructed on a printed circuit board with a U-bracket for mechanical support and efficient heat sinking. An optional cover-and-fan assembly can be added to further enhance cooling performance. Compliance with RoHS requirements reflects the commitment to environmental responsibility.

With a focus on reliability, the PU300 series boasts a minimum Mean Time Between Failures (MTBF) of 300,000 hours at full load and 25°C ambient temperature, calculated per MIL-HDBK-217F. The power supplies also exhibit excellent EMC performance, meeting EN55022 Class B and EN61000 standards for both conducted and radiated emissions.

The PU300 series is a testament to Selectron's dedication to providing high-quality, reliable power solutions that cater to the specific needs of industrial and ITE sectors in the UK and beyond.

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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What payment methods do you accept?

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.

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Is Marvo a credible parts supplier?

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.

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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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How do I create an account?

Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.

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Frequently Asked Questions

What are the input specifications for this power supply?

The power supply operates at an input voltage range of 90-264 VAC, with an input frequency of 47-63 Hz. It has an input current of 4.7 A (rms) for 115 VAC and 2.3 A (rms) for 230 VAC. The earth leakage current is a maximum of 300 μA at 264 VAC, 63 Hz.

Can you detail the output specifications?

The output voltage and current ratings vary depending on the model, with ripple and noise at 1% peak to peak maximum. Overvoltage protection is provided on output #1 only, set at 115-140% of its nominal output voltage. All outputs are protected against short circuit conditions, and the temperature coefficient for all outputs is ±0.04%/℃ maximum.

What are the environmental specifications for this power supply?

The operating temperature range is from 0 to +70℃, and the storage temperature range is from -40 to +85℃. It can operate in relative humidity from 5% to 95% non-condensing. There is a derating from 100% at +50℃ linearly to 50% at +70℃. Cooling is achieved with 35 CFM forced air or convection.

What safety standards does this power supply comply with?

The power supply complies with UL 60950-1, CSA C22.2 No. 60950-1, and TÜV EN 60950-1 safety standards.

What are the EMC performance specifications?

The power supply meets EN55022 Class B conducted and radiated emissions, EN61000-3-2 for harmonic distortion, Class A and D, and various EN61000-4 standards for immunity to ESD, radiated immunity, fast transient/burst, surge, conducted immunity, magnetic field immunity, and voltage dip.

What is the efficiency and power factor of this power supply?

The efficiency is a minimum of 70% on all models, and the typical power factor is 0.98.

What is the hold-up time for the power supply?

The hold-up time is 12 ms minimum at 110 VAC.

What is the MTBF for this power supply?

The Mean Time Between Failures (MTBF) is calculated at 300,000 hours minimum at full load at 25℃ ambient, per MIL-HDBK-217F.

Are there any special features for monitoring or controlling the power supply?

Yes, the power supply includes a Power Fail Detect (PFD) signal that provides a TTL logic high for normal operation and TTL logic low upon loss of input power. There is also a remote sense on output #1 and #2, and a remote inhibit feature that requires a TTL high signal to disable the output.

How is the power supply cooled?

The power supply can be cooled either by 35 CFM forced air provided by the user or by convection cooling.

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Part conditions explained

We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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