FSP1200-50ADB 1200W PS2/ATX Industrial AC/DC Switching Power Supply

The FSP1200-50ADB is a high-wattage industrial switching power supply designed for demanding computing and automation environments. With 1200W output capacity and a standard PS2/ATX form factor, it integrates easily into compatible PC, workstation, and server chassis. Its universal 90–264 Vac input range supports global deployment and stable operation across varying mains conditions. 80 PLUS Gold efficiency helps reduce wasted energy, lower heat generation, and improve long-term operating efficiency. The unit provides standard ATX output rails including +3.3V, +5V, +12V, -12V, and +5V standby for broad system compatibility. Modular cable management helps reduce internal clutter and improves airflow inside the chassis. Built-in protection features and industrial-grade construction make it suitable for continuous 24/7 operation. It is well suited for industrial PCs, AI servers, communications equipment, factory automation systems, and high-performance workstations.

FSP1200-50ADB 1200W PS2/ATX Industrial AC/DC Switching Power Supply

Range features

A high level overview of what this range offers

  • 1200W high output capacity – Delivers ample power for high-performance industrial PCs, workstations, servers, and multi-component system builds.
  • Wide 90–264 Vac input range – Supports global mains compatibility and helps maintain reliable operation in environments with fluctuating input power.
  • 80 PLUS Gold efficiency – Improves energy savings and reduces excess heat for better thermal performance in continuous-use systems.
  • Standard PS2/ATX form factor – Fits chassis designed for standard ATX power supplies, simplifying system integration.
  • Modular cable management – Allows only required cables to be installed, helping improve airflow and simplify assembly and maintenance.
  • Full ATX voltage rail support – Provides +3.3V, +5V, +12V, -12V, and +5Vsb outputs for compatibility with a wide range of motherboards and peripherals.
  • Industrial-grade reliability – Designed for 24/7 operation with built-in protection features for dependable performance in critical applications.

Downloads

for FSP1200-50ADB 1200W PS2/ATX Industrial AC/DC Switching Power Supply

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FSP1200-50ADB 1200W Power Supply Datasheet
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What’s in this range?

All the variants in the range and a comparison of what they offer

Specification

Value

AC input voltage

90–264 Vac (47–63 Hz)

Efficiency

80 PLUS Gold (≥ 88% efficient at load)

Form factor

PS2 / ATX (standard ATX PSU size)

+3.3 V output

25 A max current

+5 V output

25 A max current

+12 V output

100 A max current

-12 V output

0.5 A max current

+5 Vsb output

3 A max current

Total power output

1200 W

FAQs

for FSP1200-50ADB 1200W PS2/ATX Industrial AC/DC Switching Power Supply

It supports a full AC input range of 90 to 264 Vac at 47–63 Hz. This allows worldwide deployment across common regional mains standards without manual switching.

The unit is 80 PLUS Gold certified and delivers high efficiency at typical loads. This helps reduce wasted energy, lower operating temperatures, and improve suitability for continuous operation.

The power supply provides the standard ATX rails: +3.3V, +5V, +12V, -12V, and +5V standby. This makes it compatible with a broad range of motherboards, expansion devices, and peripherals.

Yes. With 1200W total output and a strong +12V rail rated up to 100A, it is well suited for high-performance systems with power-hungry CPUs, GPUs, and accelerator cards.

Yes. It features a modular cable management design, allowing users to connect only the cables required for the system. This supports cleaner internal layouts, better airflow, and easier maintenance.

The FSP1200-50ADB includes industrial-grade protection features such as over-voltage protection, over-current protection, short-circuit protection, over-power protection, and over-temperature protection to help protect both the PSU and connected hardware.

Yes. The unit uses the standard PS2/ATX form factor, so it is designed to fit systems and enclosures that accept standard ATX power supplies.

Yes. The power supply is built for continuous industrial and server use, with efficient operation, active cooling, and protection features that support reliable 24/7 performance when installed in a properly ventilated system.