Astec AA14500 200W AT Power Supply Vintage PC 100-120V 200-240V 50/60Hz

Astec AA14500 200W AT Power Supply Vintage PC 100-120V 200-240V 50/60Hz

The Astec AA14500 is a 200-watt AT-style power supply designed for vintage IBM-compatible personal computers using the AT form factor. It features a universal dual-voltage input, an external rocker On/Off switch, and a multi-connector Molex output harness serving the motherboard and drive peripherals.

Specifications & What's Included

• Manufacturer: Astec
• Model: AA14500 (AA 14500)
• Form Factor: AT
• Maximum Output Power: 200W
• Input Voltage: 100–120V AC or 200–240V AC (selectable via rear slide switch)
• Input Current: 5A @ 100–120V; 2.5A @ 200–240V
• Input Frequency: 50/60Hz
• Output Rails: +12V, +5V, –5V, Power Good signal
• Load Point P1: +12V (1.00A max), +5V (1.00A max)
• Load Point P2: +12V (2.80A max), +5V (1.80A max)
• Load Point P3: +12V (2.80A max), +5V (1.80A max)
• Load Point P4: Power Good, +5V (3.80A), +12V (0.70A), –12V (0.30A)
• Load Point P5: +5V (0.30A / 3.80A / 3.80A rails)
• AC Input Connectors: Dual IEC — IEC C14 inlet and IEC C13 pass-through outlet on rear panel
• Output Connectors: Multiple Molex 4-pin peripheral connectors (hardwired harness)
• Power Switch: External rocker switch (On/Off) mounted on side panel
• Cooling: Internal fan with rear exhaust vent
• Includes: Power supply unit with full output harness; no mounting screws or documentation

Applications

The AT power supply form factor was the standard for IBM PC/XT and IBM PC/AT compatible computers throughout the 1980s and into the mid-1990s, before the ATX standard took over around 1995–1996. AT power supplies like the AA14500 are used today primarily for restoring, repairing, or maintaining vintage AT-chassis computers — including original IBM PCs and ATs, early Compaq Deskpros, and a wide range of AT-compatible clones from that era. The external rocker power switch was characteristic of AT systems, where the switch directly broke mains power rather than sending a soft signal to the supply as ATX does. Collectors, retrocomputing enthusiasts, and industrial users still running legacy AT-based control systems are the primary buyers for this type of supply. The universal 100–240V input makes this unit usable in both North American and international settings.