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Key Words: wide input voltage, three-phase four-wire, AC/DC Converter, SIP package

    MORNSUN releases new 3W three-phase four-wire AC/DC converter LS03-16BxxSS and LD03-16Bxx series which meet UL60950/EN60950/FCC part 15 standards. The series offer 90~528VAC wide input range and meet the requirements of 3×220VAC/380VAC nominal voltage and any two-wire connection from three-phase four-wire system.

    They also provide high efficiency up to 76%, 4000VAC isolation and output short-circuit and over-current protections. Moreover, this series of products remain cost effective while offering high reliability and excellent performance. With SIP and DIP packages available, they are suitable for various applications, especially for space constrained applications.

Applications：

Three-phase electric meter, industrial control, instrumentation, double power switch controller, fire protection system, etc.

Features：

● Suitable for any two-wire connection from three-phase four-wire system

● AC and DC dual-use (input from the same terminal)

● Input voltage range: 90～528VAC/100～745VDC

● Operating temperature: -40℃～+85℃

● Isolation: 4000VAC (SIP)/ 3000VAC (DIP)

● Efficiency up to 76%

● Meet UL60950/EN60950/FCC part 15 standards (pending)

● Output short-circuit and over-current protections