SIEMENS A5E30947477 POWER SUPPLY

Siemens A5E30947477 – Industrial Power Supply for SIMATIC IPC and HMI Systems

The Siemens A5E30947477 is a high-efficiency industrial power supply module designed as a spare part for a wide range of SIMATIC IPC and HMI platforms, including CV5/4, IPC 627B/C, IPC 827B/C, and HMI IPC 577B/C, 677B/C systems. Part of Siemens’ well-regarded automation ecosystem, this compact power supply ensures consistent and reliable DC power delivery in demanding industrial environments.

Engineered with the typical robustness and precision associated with Siemens industrial electronics, the A5E30947477 (Rev. H3) provides a primary output of 24 V DC, capable of delivering up to 150 W of total power. This translates to a nominal output current of approximately 6.5 A, making it suitable for powering a broad array of embedded systems, controllers, and auxiliary equipment in factory or process automation applications.

Uniquely, the Rev. H3 variant is known to include multiple secondary voltage rails in addition to the main 24 V line. These may include:

• 3.3 V DC at 8.5 A

• 5.1 V DC at 16.5 A

• 12 V DC at 6.5 A

These additional outputs allow for powering diverse internal logic and interface components in Siemens HMI or IPC configurations without the need for separate converters, simplifying cabinet layout and improving energy efficiency.

On the input side, the A5E30947477 is generally designed for single-phase 230 V AC input—though some configurations may support three-phase 380–480 V AC, depending on the system architecture and regional standards. This flexibility ensures compatibility with a wide variety of industrial supply networks. Efficiency ratings are reported as 95% or higher, reducing heat generation and energy losses, which is crucial for continuous operation in enclosed environments.

Physically, the power supply has a compact form factor with approximate dimensions of 14.9 cm × 19.5 cm × 11.7 cm, and a lightweight build of just 0.65 kg. The IP20 protection rating indicates that it is intended for installation inside electrical cabinets or enclosures, safeguarded from direct exposure to dust or liquids. For demanding environments, the unit supports an operating temperature range from –25 °C to +60 °C, ensuring reliability even under extreme ambient conditions.

In summary, the Siemens A5E30947477 power supply is an industrial-grade component optimized for use within SIMATIC automation platforms. It offers a combination of multi-voltage support, high power density, energy efficiency, and wide compatibility. At Anadi Automation, we provide trusted access to Siemens power supply modules like this one—ensuring seamless integration, performance consistency, and long-term support for your industrial systems.