ABB OA Series auxiliary contact is suitable for use with OT200 - 800 series switches. Brand Name|ABB#MFR Part Number|OA1G10#UPC|662019558707#UNSPSC|39122221#Item|Auxiliary Contact#Series|OA#Suitable For Use With|OT200 - 800 Series Switches#Dimensions|30 mm Height x 40 mm Width x 11 mm Depth