Square D (Schneider Electric) XUZA218 Fixing Bracket. Telemecanique OsiSense® Fixing Bracket, Adjustable Clamp, For Use with: XUB 18 mm Tubular Sensors, Plastic, 2.07 in W x 0.39 in D x 1.06 in H. Additional Description: SQD -XUZA218 PHOTOELECTRIC SENSOR SADDLE CLA +OPTIONS 25% RESTOCK FEE. Catalog Description: Adjustable fixing clamp with ball joint, Photoelectric sensors XU, accessory for sensor, Ø 18 mm, bracket plastic.