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3.2-kW industrial power supply accepts ac inputs from 400/440/480-V, three-phase delta or wye

November 16, 2016 By Lee Teschler

The TDK-Lambda brand TPS3000-24 power supply delivers up to 3.2 kW output power (24 V at 133.3 A) in a 2U high package. It will operate from a wide range delta or wye 350 – 528-Vac three-phase input. This industrial power supply targets applications including test and measurement equipment, semiconductor fabrication, printers, lasers and RF power amplifiers. The high voltage, three-phase input avoids the requirement for step-down transformers and assists phase load current balancing.

tps3000The TPS3000 features isolated ac Fail, dc Good and dropped phase signals, remote on/off, remote sense and a 12-V 0.3-A standby supply. A PMBus communications interface allows remote monitoring of the output voltage, output current, internal temperature, status signals and fan speed. In addition, the output voltage, over-current limit and the remote on/off can be programmed by the PMBus. The output voltage can also be adjusted from 19.2 – 29 V and the current limit point by 70-105% using front-panel potentiometers or an analog 0-5 Vdc voltage. Up to eight units can connect in parallel for higher power and internal ORing FETs allow redundant operation.

The 92% efficient unit can operate at full load in ambient temperatures of up to 50°C, and deliver up to 55% load at 70°C. Cooling is via an internal temperature-controlled fan to reduce acoustical noise. The case measures 107 x 84.4 x 324 mm, making it suitable for 2U high racking systems and the weight is just 2.7 kg.

The power supply has 3 kVac input-to-output, 2 kVac input-to-ground and 500 Vac output-to-ground isolation with all models certified to UL/CSA 60950-1, IEC/EN 60950-1 and carrying the CE mark for the Low Voltage and RoHS2 Directives. The TPS3000-24 complies with EN55022-A conducted and radiated emissions, and meets the IEC 61000-3-2 harmonics, IEC 61000-4 immunity and SEMI F47-0706 standards.

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Filed Under: Power Supplies, Three-phase Tagged With: tdklambdacorporation

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