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Industry-leading reliability

500+500W watts maximum output power (ST50GF)

420+420W watts maximum output power (ST42GF)

High efficiency with 80Plus Silver certification (ST50GF)

High efficiency with 80Plus bronze certification (ST42GF)

1+1 redundant configuration

PS2 mini redundant power

Hot swappable design

Power fault Alarm signals

Durable zinc-plated surface

Convenient pull-out handle bars

ST50GF / ST42GF

September, 2010

NO.G11212590

Always up reliability and redundancy

Summary of content (6 pages)

PAGE 1
Always up reliability and redundancy ST50GF / ST42GF September, 2010 NO.
PAGE 2
ST50GF / ST42GF SPECIFICATION SilverStone GEMINI SST-ST50GF SST-ST42GF Mini Redundant Switching Power Supply With Active PFC 500W+500W 420W+420W 1-4. AC Input Current SST-ST50GF SST-ST42GF AC Input MAX Units AC Input MAX Units 115V 8 AMPS 115V 7 AMPS 230V 4 AMPS 230V 3 AMPS 1-5. Efficiency The power supply efficiency typical> 82% at 115V，full load. 1. Input Requirements 1-1. Input Voltage 1-6.
PAGE 3
ST50GF / ST42GF 2-2. DC Load Requirements 2-3. Cross Regulation SST-ST50GF Output Voltage MIN NOM MAX Units +5V 1.0 12.5 25 AMPS +12V 1.0 20 40 AMPS -12V 0 0.4 0.8 AMPS +3.3V 1.0 12.5 25 AMPS +5Vsb 0.1 1.75 3.5 AMPS Note : 1. The maximum continuous total DC output power shall not exceed 500 Watts. 2. The maximum continuous combined load on +5V and +3.3V outputs shall not exceed 170 Watts. 3. The maximum continuous combined load on +5V, +3.
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ST50GF / ST42GF 2-11. Power Good Delay Time (T3) 2-6. Total Output Power SST-SG50GF SST-ST42GF MAX Units MAX Units 500 Watts 420 Watts 2-7. Remote ON/OFF Control The power supply outputs shall be enabled with an active-low TTL signal. When TTL signal is low, the DC outputs are to be enabled. When TTL signal is high or open circuited, the DC outputs are to be disabled. Electronic means or a mechanical switch may activate the TTL signal.
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ST50GF / ST42GF 3-2. Short Circuit Protection A short circuit placed to ground shall cause no damage or power supply shall be shutdown. (The contact resistance is 0.05 ohm when the outputs short circuit.) 3-3. Protection Reset When the power supply latches into shutdown condition due to a fault on an +5V,+3.3V,+12V, output (OVP, UVP,OCP), the protection shall reset after the fault has been removed, use remote on/off control or recycle the AC power again for a typical of 5 seconds. 3-4.
PAGE 6
ST50GF / ST42GF EPS 12V 8PIN 14. Redundant Output Signal: SIGNAL WIRE COLOR FUNCTION (STATE) OUTPUT RST WHITE /WHITE S.W ALARM RESET M-G GREEN/BLACK LED (GREEN) MODEL OK M-F RED (RED) MODEL N.