ABB OTS250G1S/3 Terminal Shroud Brand: ABB. Part Number: OTS250G1S/3. ABB Terminal Shroud, Short, Series: OTS, For Use With: 3-Pole OT200 to OT250 Non-Fusible Disconnect Switch, Plastic, Gray, 105 mm W x 66 mm D. Additional Description: ABB -OTS250G1S/3 TERM SHROUD FOR OT200 3P SHORT. Catalog Description: OTS250G1S/3 TERMINAL SHROUD..