1 kW low-profile power supplies
TDK-Lambda has introduced the RFE1000 series; a 1kW single-output AC-DC power supply in an ultra low profile (only 1.61" high) 1U package for stand alone or distributed power architectures (DPA).
These supplies are ideal for applications requiring reliable 24V, 32V or 48VDC bulk power. Up to +20% and -10% output voltage adjustment is possible, enabling the RFE1000 to be used in a variety of customer specific applications. Operating from a universal input of 85 to 265VAC with PFC, typical applications for the RFE1000 supplies include communications, factory automation, test & measurement, robotics and RF amplifiers. Efficiency of up to 88% minimizes heat dissipation.
The RFE1000-24, -32 and -48 power supplies can be used individually, or up to 8 units can be connected in parallel to form an N+1 redundant power system with built-in ORing diodes. Each power supply has variable-speed cooling fans and can operate in temperatures ranging from 0 to +70Â°C. The RFE1000 has a power density of 10.5W/in3 with dimensions of 12 x 5 x 1.61 inches.
Overvoltage, overcurrent and overtemperature protection are standard features, and for system monitoring there are opto-isolated signals for DC-OK, AC-fail and overtemperature warning, along with a LED indicator for DC-OK. Remote On/Off control is also standard, as is remote sense. Other standard features include single-wire current sharing and an auxiliary 12V/0.25A output.
As well as being EN55022 and FCC EMC compliant (achieving class B conducted and radiated emission), the RFE1000 series meets UL/EN 60950-1 safety approvals and carries the CE mark. Harmonic correction meets the EN61000-3-2 standard, and the power supplies are backed by a two-year factory warranty.
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