In today’s rapidly evolving industrial landscape, reliable power supplies are essential for the uninterrupted functioning of automation, machinery, and infrastructure. Power supplies are the backbone of virtually every industrial application, and selecting the right solution can be the difference between smooth operations and costly downtime. As industries strive for higher efficiency, sustainability, and productivity, Weidmüller offers a diverse range of power supplies tailored to various sectors' unique needs.

Ultech Engineering and Weidmüller: Your Trusted Partners in Industrial Connectivity and Automation

Ultech Engineering Sdn Bhd is an integrated engineering solutions provider based in Malaysia. We specialise in automation, electrical, and control systems for industries such as oil and gas, marine, manufacturing, and utilities. Our commitment is to deliver reliable, efficient, and innovative solutions tailored to meet the evolving demands of modern industries.

As part of this commitment, Weidmüller — a globally renowned German brand — is one of our trusted brand partners. With a history that dates back to 1850, Weidmüller is a leader in industrial connectivity, automation, and digitalisation solutions. Their wide range of high-quality products, including terminal blocks, relays, power supplies, surge protection, and industrial Ethernet components, allows us to offer robust and future-ready solutions to our clients. Together, Ultech Engineering and Weidmüller ensure that businesses are equipped with advanced technology and reliable support for their operations.

Powering Industry with Precision and Reliability

Power supplies have become an indispensable part of the modern world because everything, everywhere, must be supplied with reliable current. Three core factors play a decisive role in this process: energy efficiency, durability, and reliability. Whether for machine construction, power generation, shipbuilding, or the process industries, Weidmüller’s wide range of switched-mode power supplies delivers cost-effective, high-performance, and innovative solutions, ensuring the right power management system for every panel and application.

As industries evolve, solutions must be both space-saving and communication-capable to meet the growing range of functions and digitalisation trends. Weidmüller’s switch-mode power supplies are built to address these exact needs, offering outstanding longevity, energy efficiency, and reliability, ensuring your operations stay productive, efficient, and competitive. With a commitment to cutting-edge technology, Weidmüller’s PRObas, PROeco, and PROtop series stand at the forefront of modern manufacturing, delivering optimal performance for even the most demanding industrial environments.

What is a Switch Mode Power Supply?

A switch-mode power supply by Weidmüller is an advanced and efficient device designed to convert electrical energy from one form to another, typically from alternating current (AC) to direct current (DC). Unlike traditional linear power supplies, which rely on bulky transformers and dissipate significant energy as heat, a switch-mode power supply uses high-frequency switching techniques to regulate voltage and current. This modern design allows switch-mode power supply units to be smaller, lighter, and much more energy-efficient. Therefore, Weidmüller’s range of switch-mode power supplies — including the PRObas, PROeco 2nd Generation, and PROtop — offers scalable solutions that meet the diverse needs of modern industries.

Weidmüller PRObas Series: Cost-Effective Basic Power, Elevated Standards

The PRObas Power Supplies are single-phase switched-mode power supply units designed to meet the high demands of automation applications. Engineered to provide reliable and efficient DC supply voltage, this product series combines the essential features of performance, compact design, and cost-effectiveness. With 12 variants available, PRObas offers flexibility in output voltage options, including 5V, 12V, 24V, and 48V DC, making it suitable for various applications across various industries.

Key Features and Advantages of the PRObas Power Supply

1. High Efficiency and Reliability: One of the standout features of PRObas Power Supplies is their high efficiency of up to 95%, which ensures minimal energy loss and maximises operational efficiency. These power supplies also boast an impressive Mean Time Between Failures (MTBF) of over 1 million hours, ensuring long-term reliability. They are designed to operate within a wide temperature range, from -25°C to +70°C, making them suitable for both indoor and extreme outdoor conditions, with a reliable startup at temperatures as low as -40°C.
2. Space-Saving Design: In addition to their efficiency and durability, the PRObas Power Supplies are remarkably space-saving, with a compact design ranging from 23mm to 59mm in width. This allows them to fit even into the smallest control cabinets, which is a significant advantage in applications where space is limited.
3. Flexible Installation: These power supplies can be mounted either on DIN rails or directly to the cabinet wall, depending on the user’s preferences.
4. Compatibility and Versatility: Moreover, the PRObas series is compatible with Weidmüller's electronic fuses, DC UPS, and diode modules, making it an ideal choice for setting up comprehensive power management systems. This compatibility enhances the overall versatility of the product and ensures that it can be integrated seamlessly into existing systems.

Striking the perfect balance between cost-efficiency, high performance, and ease of installation, PRObas Power Supplies offers a reliable and affordable solution for automation systems. Designed to meet the demands of industries like machinery, renewable energy, and infrastructure, they ensure stable and continuous power without compromising durability. With a wide range of variants, international approvals, and a robust design built to withstand harsh conditions, PRObas Power Supplies is a smart and versatile choice for global applications. To learn more about Weidmüller's advanced power supplies, read on — but first, let’s talk about electronic load monitoring.

What is Electronic Load Monitoring?

Electronic load monitoring is a process that involves tracking and managing the power consumption and electrical load of devices or systems in real-time. Specialised electronic equipment, such as load monitors, is used to measure parameters like voltage, current, power, and energy consumption. This monitoring helps ensure that the system operates within safe parameters, preventing overloads, detecting faults, and optimising energy use.

Load monitoring provides insight into a system's electrical performance, ensuring that energy is used efficiently, the equipment remains safe from damage, and any potential issues can be identified early for proactive maintenance. This is particularly important in industrial and automation systems, where reliable power distribution is critical for smooth operations.

The Weidmüller power supply lineup, including the PROeco 2nd Generation and PROtop, is fully compatible with electronic load monitoring, ensuring seamless integration and optimal performance. Now, let’s dive into these power supplies and explore how they can enhance your system's efficiency and reliability.

Weidmüller PROeco 2nd Generation: Mid-Range Reliable and Optimised Power for Compact Spaces

The PROeco 2nd Generation power supplies from Weidmüller are designed to maximise the availability of automation systems across a wide range of industrial applications. As a 12-part series built with performance, reliability, and versatility in mind, PROeco delivers robust power solutions tailored to meet the demands of modern control systems. Whether operating in extreme environmental conditions or dealing with space constraints, PROeco offers a reliable and compact solution that keeps your operations running smoothly.

Key Features and Advantages of the Weidmüller PROeco 2nd Generation Power Supply

1. Robust and Durable: At the heart of PROeco’s design is its exceptional durability and operating reliability. The units function seamlessly in a broad temperature range, with a cold-start capability as low as -40°C, making them suitable for indoor and outdoor use, even in the harshest climates. With an impressive Mean Time Between Failures (MTBF) of more than 1,000,000 hours, these power supplies significantly reduce the risk of unexpected downtime and ensure long-term operational stability.
2. Space and Energy-Saving: Its compact design, with models starting at just 32 mm in width and 100 mm in depth, makes PROeco ideal for space-limited installations, such as slimline field control cabinets. Efficiency is another defining feature of the PROeco 2nd Generation. With a power conversion efficiency of up to 95%, it minimises energy losses, reducing electricity costs and limiting heat generation inside control panels. The series is designed to consume extremely low idle power, further lowering operational expenses over the life of the system.
3. Smart and Rapid Status Diagnostics: Ease of use is built into every aspect of the PROeco series. The innovative three-colour LED status indicator provides a fast and intuitive way to assess device health during commissioning and operation. Combined with a status relay, maintenance and troubleshooting become faster and more effective, reducing service times and ensuring continuous performance in mission-critical applications.
4. Flexibility and Integration Capabilities: PROeco’s flexibility and integration capabilities are also key strengths. The units are compatible with DC UPS (Uninterrupted Power Supply), electronic load monitoring, and diode modules, making them an excellent building block for modern power management systems. This adaptability ensures smooth integration into a variety of system architectures, from machinery and factory automation to renewable energy and infrastructure applications.

In summary, the PROeco 2nd Generation power supplies from Weidmüller combine durability, efficiency, and smart diagnostics in a compact, space-saving design. These power supplies are backed by international approvals and ensure global application readiness and compliance. Their flexibility allows smooth integration into modern power management systems, supporting various industrial applications — including Machinery, Renewable Energies, and Infrastructure. With PROeco, users can count on long-term performance, cost-effectiveness, and reliable operational stability.

Weidmüller PROtop: High-End Smart, Sustainable, and Scalable Power for Industry 4.0

As industries face increasing pressure to reduce energy consumption and improve sustainability, Weidmüller's PROtop series offers a highly efficient and sustainable solution for modern power supply needs. With its high efficiency, long service life, and superior performance, PROtop power supplies are well-suited for industries prioritising energy savings, operational reliability, and future-proof technology.

Key Features and Advantages of the Weidmüller PROtop Power Supply

1. Sustainable and Innovative: The PROtop power supply features a sustainable and innovative device concept, offering optimum efficiency levels of up to 95.3% for significant energy savings, high MTBF values exceeding 1,000,000 hours for consistently high system availability, and cost-effective direct parallel switching without the need for diode modules, thanks to its integrated ORing MOSFETs.
2. Integrated ORing MOSFETs increase efficiency: Integrated ORing MOSFETs set new standards in power supply design by reducing system costs and improving availability. Unlike conventional setups that require extra redundancy or diode modules, which consume space and increase power loss, PROtop’s integrated ORing MOSFETs offer high performance in a compact form, eliminating the need for additional components and wiring. This solution lowers costs, saves space, simplifies redundant power supply setup, and ensures stable long-term operation through easy parallel current sharing.
3. Peak load reserves: The PROtop power supply delivers outstanding peak load reserves and exceptional reliability, even in tough industrial environments. Featuring advanced DCL (Dynamic Current Limiting) technology, it offers high dynamic range and continuous peak load capacity from milliseconds to seconds — ideal for reliably triggering circuit breakers and powering motor starts. PROtop ensures robust performance under extreme conditions, including surge voltage, vibration, and temperature fluctuations, while its additional short circuit cut-off enhances cable protection for long-lasting, efficient operation.
4. Highly future-proof: The PROtop power supply offers a future-proof solution for Industry 4.0, enabling complete data transparency, cloud connectivity, and remote control through CANopen and IO-Link protocols. With its communication-capable design, PROtop captures and shares product, status, and energy data for improved process optimisation, diagnostics, and energy management. The optional retrofit communication module allows seamless integration into higher-level control systems and condition monitoring, supporting features like voltage tracking, load cut-off, and automatic parameterisation. This not only simplifies commissioning but also boosts system efficiency and reliability across various industries, from food processing to offshore wind installations.
5. Compact and flexible: With compact dimensions and maximum flexibility, the PROtop power supply delivers up to 40% space savings in the control cabinet, supports a wide range of applications through various operating modes, and offers versatile connection options—including plug-in terminals with a time-saving PUSH IN system or a traditional screw connection.

How Weidmüller PROtop Benefits from the topGUARD Load Monitoring System?

The Weidmüller PROtop power supplies gain several advantages when paired with the topGUARD load monitoring system, which is IO-Link compatible. Here's how the combination enhances performance:

1. Data Transparency and Remote Control via IO-Link: One of the key benefits of the topGUARD system is the full transparency of operational data. With IO-Link integration, users can remotely monitor and control the power supply system. This real-time access allows for quick adjustments and ensures that the system is always running efficiently, without the need for physical intervention.
2. Maximum Flexibility with a Modular System: topGUARD is designed with flexibility in mind. Thanks to its modular system, users can easily adapt the load monitoring solution to meet their specific needs. Whether it's for a simple setup or a complex system, topGUARD can be configured to fit a wide range of applications, offering the flexibility needed to scale and adjust over time.
3. Voltage-Adaptive Load Monitoring (Class 2): topGUARD supports voltage-adaptive load monitoring according to Class 2 standards. This ensures that the system is capable of efficiently managing varying voltage levels, which is crucial in environments where power supply fluctuations may occur. It guarantees reliable performance and protection across different voltage conditions, maintaining stability within the system.
4. Time and Cost Savings with Integrated Distribution of Potential: The topGUARD system saves both time and costs during installation due to its innovative approach to integrated potential distribution. This streamlined method reduces the complexity of wiring and setup, allowing for faster installation and fewer components, which in turn leads to cost savings and reduced installation time.
5. Simple Migration from maxGUARD to topGUARD: If users are already utilizing the maxGUARD system, migrating to topGUARD is straightforward. The design of topGUARD allows for an easy transition, minimizing downtime and simplifying the upgrade process. This ensures that users can seamlessly benefit from the enhanced features of topGUARD without disrupting their operations.

In conclusion, Weidmüller’s PROtop power supply series, paired with the topGUARD load monitoring system, offers a powerful and future-proof solution designed to meet the evolving demands of modern industries. PROtop stands out with its high efficiency, long service life, and advanced features like integrated ORing MOSFETs, dynamic peak load reserves, and intelligent communication capabilities, making it ideal for sustainable, reliable, and cost-effective power management in Industry 4.0 environments. When combined with the modular and IO-Link-compatible topGUARD system, users gain enhanced data transparency, remote monitoring, simplified installation, and adaptable load protection. Together, PROtop and topGUARD form a scalable and flexible solution that empowers industries to optimize energy efficiency, ensure system stability, and future-proof their operations.

Smart. Reliable. Future-Ready — The Power Supplies Behind Industrial Success

When it comes to choosing the right power supply, the decision is less about which model is simply “better” and more about matching the product to your application’s needs. Each of Weidmüller’s power supply series —PRObas, PROeco 2nd Generation and PROtop — is designed to serve a distinct purpose, offering different advantages in terms of cost, features, and future scalability.

From the cost-effective PRObas to the versatile PROeco, and the intelligent, future-ready PROtop, Weidmüller’s power supplies offer dependable solutions tailored for every industrial application — no matter the scale, complexity, or budget. Each series is engineered to deliver high efficiency, long service life, and seamless integration, ensuring your systems remain productive, reliable, and prepared for future demands.

At Ultech Engineering, we are committed to helping you identify the perfect power supply solution that matches your project’s technical requirements and financial goals. Our partnership with Weidmüller means you gain more than just cutting-edge products — you also receive expert guidance, industry-specific insights, and tailored support to help you build smarter, safer, and more efficient systems. Email us and we will send the latest exclusive edition of the Weidmüller newsletter.

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Looking to power up your operations? Contact Ultech Engineering today and discover how Weidmüller’s power supply technology can transform your business.