Features：This power supplier can cope with 65~460VAC or 90~650VDC ultra-wide input voltage range, operates with any two wires of standard three-phase four-wire (380/220V) source. When the power source is defective and lead to over-voltage, this power supplier will automatically shut down and protect the terminal and itself from damage, and raise the reliability of the system. The power supplier has two outputs 5V & 12V, and the isolation is as high as 4000VAC in between any input, output and outputs. Conforming to IEC/EN61000 standard: Pulse 4KV, Surge 2KV/4KV, EMC/EMI EN55022 Class B etc, adapt to a variety of applications where high isolation and harsh EMI conditions exist.

Application：This switching power supplier is used specially for three-phase four-wire ammeter, designed based on latest National Power Grid Standard, especially for common transformer terminal unit, special transformer terminal unit, VIP account transformer terminal unit, substation transformer terminal unit.