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AC/DC supply suits explosive gas atmospheres

Posted: 23 Jun 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Vince Biancomano? Lambda? LZSa500-3? AC/DC supply?

Lambda's LZSa500-3 AC/DC supply

Lambda's LZSa500-3, for rugged applications, touts a unique feature set and safety-agency approvals not commonly found on a standard off-the-shelf supply. The AC/DC supply, delivering 500W at a nominal 24V, has a wide operating temperature range, compliance with MIL-STD-810 standards for shock and vibration, and can operate in explosive gas atmospheres for chemical processing and COTS environments.

The universal-input supply, with active power-factor-correction, is adjustable from 18- to 29.4V to accommodate non-standard system voltage applications, and can provide a full load of 21A output current from -40?C to 60?C, derated linearly to 60 percent load at 71C ambient.

Features include output ripple and noise of 75mV peak-to-peak, and 20s hold-up and ride-through time to avoid nuisance tripping during electrical interruptions. It complies with SEMI F47 standards for input droop, down to 100Vac at full load.

The LZSa500-3 is equipped with remote on/off, remote resistance or voltage programming, user-adjustable over-voltage protection, DC good, inverter fail, current-share, and a 200kHz synchronization signal.

The unit, in a 4.25-by-4.75-by-10.25-inch package, meets MIL-STD-810E shock and vibration standards (method 516.4 proc. I, II, IV and VI; method 514.4, categories 1 and 9. It also meets Class B EMI standards (radiated and conducted) and is safety-approved to UL60950-1, EN60950-1, UL508, FM3600, FM3611 and FM3810 specifications. It meets IEEE C62.41 (6kV/30 ohm, criteria A) and EN61000-4-X immunity standards. All units are RoHS-compliant and carry the CE mark.

The LZSa500-3 is already available, priced at $620 each in 50-unit quantities.

-Vince Biancomano
eeProductCenter




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