LA7D305 and LAD7305 Difference
IEC contactors and starters
Choosing the correct part number
LAD7305 is for use on LRD01 to LRD35 , LR3D01 to LR3D35, and LRD313 to LRD365.
LA7D305 is for use on all other relays (except LRD01 to LRD35 and LR3D01 to LR3D35).