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 AUX-C 1Q+1SY 250Vac/dc XT1...XT6 F/P
ABB Mechanical Interlock XT1
ABB E1.2..E6.2-XT7-XT7M Shunt Opening 220-240Vac
ABB Rotary-RHD XT5 Normal Direct
ABB RHE XT1-XT3 F/P STAND. RETURNED
ABB AUX-SA-C 1S51 250Vac/dc XT2-XT4...XT6F/P
ABB Rotary-RHE XT5 Normal Transmitted
ABB RHE XT2-XT4 F/P STAND. RETURNED
ABB E1.2..E6.2-XT7-XT7M 220..240VAC/DC Undervoltage
ABB Electronic time Delay XT5-XT6 220..250Va.c./d.c.
ABB RHE XT7 F/W STAND. RETURNED
ABB Motor Operator 220v. XT1,XT3
US 
TH 
