AC/DC inverters provide up to 4500VA
Power supply specialist Powersolve announces its PJN series of AC/DC sine wave inverters which provide between 1000VA and 4500VA from a DC input between 40 to 60VDC. They also take 230VAC mains input enabling them to operate in a UPS mode and switch over to 48VDC batteries automatically when the incoming mains fails. This make the PJN Series suitable for telecoms systems that use a 230VAC input supply and 48VDC battery back-up.
Applications include powering wireless paging equipment, microwave communications equipment, programme controlled exchange charging systems, fax machines and all kinds of AC instrumentation and computer equipment.
The PJN Series comprises five models all designed around high efficiency Sinusoidal PWM (SPWM) inversion technology and all incorporating an energy-saving ECO working mode.
Every model provides 230VAC ±2% (±15% in ECO Mode) with models offering 1000, 1500, 2000, 3000 and 4500VA power output. The 3kVA unit is available with optional N+1 redundancy with up to four models in a redundant rack configuration. Output frequency is 50Hz ±0.5%.
Other key features include front-end maintenance, alarms for battery low and inverter failure and protection against battery low, over-voltage, overload, short circuit, over temperature and utility bypass. Front panel LEDs indicate inverter, battery and fault conditions.
The 1000VA and 1500VA units are housed in a 1U high 19in rack enclosure. The 2000VA and 3000VA are 2U while the 4500VA comes in a 440x440x3U case. AC input connector is via screw terminals while output connection is by IEC and screw terminals.
The PJN series meets all relevant safety and EMC standards.
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