Motor Operator - A device that turns a breaker on and off instead of manually pushing it up and down. It operates via an electric motor. - Available in a variety of operating voltages, but in Thailand it is marketed at 220VAC.
ABB
ABB AUX-SA-C 1S51 250Vac/dc XT2-XT4...XT6F/P
ABB E1.2..E6.2-XT7-XT7M Shunt Opening 220-240Vac
ABB Motor Operator XT6 220-250VAC/DC
ABB XT5..XT6 Shunt Opening releases 220..240Vac
ABB Mechanical Interlock XT3
ABB Mechanical Interlock XT1
ABB RHE XT1-XT3 F/P STAND. RETURNED
ABB Undervoltage releases XT5-XT6 220V
ABB Mechanical interlock XT5
ABB RHD XT2-XT4 F/P STAND. DIRECT
ABB Electronic time Delay XT5-XT6 220..250Va.c./d.c.
ABB XT1..XT4 Undervoltage releases 220..240Vac.
US 
TH 
