Square D LAD9R1 Tesys D Contactor Kit Brand: Square D. Part Number: LAD9R1. Square D TeSys D Contactor Kit, Reversing, 32 A, Surface Mounting, -5 to 55 deg C Operating, 5.9 in L x 3.9 in W x 3.8 in H Dimensions. Additional Description: SQD -LAD9R1 REVERSING SWITCH KIT INTERLOCK 32A. Catalog Description: Kit for assembling 3P reversing contactors, LC1D09-D38 with screw clamp terminals, without electrical interlock..