SOR (Shunt Opening Release - YO) - A device that commands a circuit breaker to open an electrical circuit. - Available in a variety of operating voltages, but in Thailand it is marketed at 220VAC.
SOR-C XT1..XT4 F/P 220-240Vac-220-250Vdc
ABB
ABB RHE XT7 F/W STAND. RETURNED
ABB Rotary-RHE XT5 Normal Transmitted
ABB Undervoltage releases XT5-XT6 220V
ABB E1.2..E6.2-XT7-XT7M 220..240VAC/DC Undervoltage
ABB Rotary-RHD XT6 Normal Direct
ABB Spring charging motor XT7M 220-250VAC/DC
ABB Electronic time Delay XT5-XT6 220..250Va.c./d.c.
ABB RHD XT2-XT4 F/P STAND. DIRECT
ABB AUX-SA-C 1S51 250Vac/dc XT2-XT4...XT6F/P
ABB Mechanical Interlock XT1
ABB RHD XT1-XT3 F/P STAND. DIRECT
ABB AUX-C 3Q+1SY 250Vac/dc XT2..XT6 F/P
US 
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