|Sept. 15, 2004
Stan Michelson, Focus Communications
Lambda Extends Its SWS Series Power Supplies With Reliable, Affordable New 300W and 600W Models
SAN DIEGO, CA (Sept. 15, 2004) - Lambda has extended its SWS family of power supplies
to include 300- and 600-watt models. The new SWS300 and SWS600 series are ideal for costsensitive
applications that require both reliability and performance.
Each series accepts a wide range of input voltages – from 85 to 265 VAC – and contains
active PFC (power factor correction) circuitry to meet EN61000-3-2 standards. The units are
available with 5-, 24- or 48-volt outputs and currents up to 120 amps.
Features include over-temperature, over-current and over-voltage protection; an output
adjustment potentiometer (±10%); an integral power-good LED indicator; and screw terminals
for input and output connections. The 600-watt models also have remote on/off, AC fail signal
and current-sharing capabilities.
The high-power SWS supplies are cooled by an internal fan and deliver full power at 50oC
without derating and up to 65oC with derating. The units measure a compact 2.05 x 4 x 7.8
inches (300-watt series) and 3.6 x 4.72 x 7.48 inches (600-watt series).
Both series meet Class B EMI standards (radiated and conducted); are safety approved to
UL60950, CSA60950, EN60950, EN50178 specifications; and are CE marked. They also meet
EN61000-4-X immunity standards.
The SWS300 and SWS600 series are available now, with prices starting at $125 in singleunit
quantities. More information can be obtained at Lambda's Web site,
For more than 50 years, Lambda has been a leading provider of standard and custom power supply solutions.
The company's broad range of products power industrial, telecommunications, data communications, medical,
and test-and-measurement applications worldwide. Lambda's corporate headquarters is at 3055 Del Sol Blvd.,
San Diego, Calif., 92154; telephone 800-LAMBDA4 (toll free) or 619-575-4400; fax 619-429-1011.
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