SeaSonic 400W Active PFC F0 1U Power Supply (SS-400H1U)
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About this product
SeaSonic 400W Active PFC F0 1U Power Supply (SS-400H1U)
This is a Seasonic industrial power supply is 80 PLUS® efficiency rated and it features a high reliability ball bearing fan. Fully modular cables and easy-swap connectors add a new dimension to its versatility, while the Seasonic Smart and Silent Fan Control (S2FC) system make it a silent performer. These units comply with the latest PFC harmonics (IEC1000-3-2 and EN61000-3-2 standards) and are protected against short circuit, over voltage and over power. On the 3.3 V rail there is no minimum load requirement for this unit to work properly.
Intel EPS1U v2.1 and ATX 12 V v2.2 compliant
Forward converter circuit
High efficiency and reliability for industrial level
Easy-swap connector design
40 mm double ball bearing fan
Fully modular cables
Smart and Silent Fan Control (S2FC)
Zero minimum load on 3.3 V rail
Short circuit protection on all outputs
Over voltage protection
Over power protection
100 % HiPot test
100 % Burn-in, high temperature cycled on/off
PFC harmonics compliance: IEC1000-3-2 and EN61000-3-2 standards
DC Outputs
+3.3 V · +5 V · +12 V Combined · -12 V · +5 Vsb · Total continuous power · Input Type
20 A · 21 A · 29 A · 0.8 A · 3 A · 400 W · Full range
130 W (max.) · 348 W
| Specifications | |
|---|---|
| Input frequency | 50 / 60 Hz |
| Efficiency (220 V AC - 240 V AC, full load) | 83 % (typical) |
| Efficiency (100 V AC - 120 V AC, full load) | 80 % (typical) |
| Dielectric withstand, input to frame/ground | 1800 VAC, 1 sec |
| Dielectric withstand, input to output | 1800 VAC, 1 sec |
| Line regulation | ± 1 % (typical) |
| Load regulation | ± 5 % (typical) |
| Cross regulation | ± 5 % (typical) |
| MTBF, full load @ 25 °C ambient (excl. DC fan) | > 100,000 hours |
| Active Power Factor Correction | 99 % (typical) |