20 years of providing power supply services - FindtheNeedle the ...
20 years of providing power supply services - FindtheNeedle the ...
20 years of providing power supply services - FindtheNeedle the ...
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QES Limited +44 (0) 1438 749849 sales@qesltd.co.uk<br />
QES - Quality Electronic Services<br />
STANDARD & REPLACEMENT PRODUCTS<br />
QPS-300A<br />
This product has been designed as a partial fit, form & function replacement for <strong>the</strong><br />
obsolete Zenith ZPS-300A <strong>power</strong> <strong>supply</strong><br />
Mechanical Details<br />
This product is a partial fit, form & function replacement for <strong>the</strong> original ZPS-300A, this<br />
includes all mechanical and electrical connections/fittings.<br />
The product closely matches <strong>the</strong> original maximum mechanical dimensions <strong>of</strong> <strong>the</strong><br />
ZPS-300A, with <strong>the</strong> baseplate matching <strong>the</strong> original fixing hole pattern and size (4 <strong>of</strong>f,<br />
M3 thread on a 76mm x 246mm pitch spacing.<br />
Overall dimensions are Height 96.8mm (Max above fan), Width 127mm, Length<br />
330mm<br />
Output Details<br />
Model QES P/No DC Outputs Ripple & Noise O/P<br />
QPS-300A 879745 +5V, 50A < 1% <strong>of</strong> output voltage 1<br />
+12V, 12A < 1% <strong>of</strong> output voltage 2<br />
-12V, 9.5A < 1% <strong>of</strong> output voltage 3<br />
-5V, 12A < 1% <strong>of</strong> output voltage 4<br />
It is possible to provide o<strong>the</strong>r combinations <strong>of</strong> voltages for O/P’s 2, 3 & 4<br />
The Power Supply ‘Good’ signal is 5V TTL compatible, LOW on failure.<br />
QES – Power Conversion Products Page 24
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