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Power Supply Units

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Switched-Mode Power Supplies for Reliable Industrial Performance

Murrelektronik’s switched-mode power supplies deliver efficient, space-saving DC voltage conversion for modern automation environments. These compact units convert incoming AC voltage—typically 230 V—to a stable DC output like 24 V, which is widely used in control cabinets and field installations.

How Do Switched-Mode Power Supplies Work?

Unlike traditional linear power supplies, switched-mode designs use high-frequency switching to reduce transformer size and increase efficiency. Incoming AC power is first rectified and filtered, then converted into high-frequency AC using transistors. A transformer then adjusts the voltage level before it is rectified and filtered again into clean DC output. This process not only reduces weight and volume but also enables greater thermal efficiency and dynamic response to load changes.

Advantages in Automation and Control

Switched-mode power supplies are ideal for high-density installations in control cabinets where space and thermal management are key. Murrelektronik offers power supplies rated for IP20 (cabinet-mounted) and IP67 (field-mounted) protection classes. Models with low electromagnetic interference are available for sensitive environments such as laboratories, test benches, or precision manufacturing systems.

24V Power Supplies for DIN Rail and Field Applications

Built to meet the demands of harsh industrial settings, Murrelektronik’s 24V power supplies offer rugged housing, high efficiency, and support for common communication protocols. Selected models include smart features such as intelligent current monitoring, low-noise emission, power factor correction (PFC), and collective alarm output.

You’ll find options for single-phase, dual-phase, and three-phase supply configurations, with output currents ranging from 4 A up to 8 A and beyond. Shutdown behavior such as hiccup mode, constant power, or constant current ensures optimal performance in the event of overload.

Popular 24V Power Supply Options

Whether you need a compact power supply for panel mounting or a rugged unit for field use, Murrelektronik has the right solution. Our most popular output current ratings include:

Order switched-mode power supplies now from the official Murrelektronik Online Shop and benefit from industry-proven reliability and fast delivery.