Compaq PS-3381-1C 194989-001 400W Hot-Plug Server Power Supply ESP113

Compaq PS-3381-1C 194989-001 400W Hot-Plug Server Power Supply ESP113

The Compaq PS-3381-1C is a 400W hot-plug power supply module designed for Compaq ESP113 series rack servers. It features active Power Factor Correction (PFC) and supports both 100–120V and 220–240V AC input ranges, making it compatible with standard single-phase power in a variety of data center environments. The hot-plug design allows the module to be removed and replaced without powering down the server.

Specifications & What's Included

• Manufacturer: Compaq
• Model: PS-3381-1C
• Part Number (MPN): 194989-001
• Spare / Kit Part Number: 228509-001
• Series: ESP113
• Output Power: 400W
• Input Voltage: 100–120V / 220–240V AC
• Input Current: 8A (100–120V) / 4A (220–240V)
• Input Frequency: 50/60 Hz
• Output Rails: +12V, -12V, +5V AUX
• Power Factor Correction (PFC): Yes
• Hot-Plug / Hot-Swap: Yes
• Form Factor: Rack-mount hot-plug module
• Country of Manufacture: China
• Includes: Power supply module only

Applications

The PS-3381-1C was designed for use in Compaq ESP113 series rack-mounted servers, a line of enterprise server chassis from the late 1990s and early 2000s that supported redundant, hot-swappable power supplies for high-availability environments. Hot-plug power supplies like this one allow a failed unit to be swapped out during live server operation without taking the system offline — a standard requirement in data centers and server rooms where uptime is critical. This part number (194989-001) and its spare kit number (228509-001) remain in demand for maintaining legacy Compaq server infrastructure. The universal input voltage range makes the unit suitable for use in both North American and international rack environments.