Unipower has a series of 1U high, 1kVA and 2kVA sine wave inverters designed for 19in rack systems and capable of producing a 115 or 230Vac output from a 12, 24 or 48Vdc power source.

Each Scimitar sine wave inverter provides a low distortion 50 or 60Hz sine wave  produced by a DSP-controlled power circuit using high frequency, pulse width modulation (PWM) technique which achieves efficiency levels as high as 92 per cent, said the supplier.

An integral static switch allows the user to connect a utility or another AC power source which can then be automatically switched to the load if the sine wave inverter fails.

Output voltage and frequency can be programmed either from the front panel or via an integral RS232 interface and the unit’s digital display provides the user with an instant indication of the inverter’s status.