IES Series User Manual V. 2.0 11Chapter 3 Hardware installation3.1 DIN-Rail installationMost industrial areas choose 35mm DIN-Rail installation. The DIN-Rail attachment plate is fixed to the rear panelof the IES Switch when you take it out of the box. If you need remove it and re-attach the plate to the switch, makesure the DIN-Rail bracket is situated towards the top as shown in figure 3-1.• Insert DIN-Rail into the DIN-Rail slot of the IES Switch and rotateDownward, compressing the internal spring, as shown in Figure 1 below.• The IES Switch should be locked firmly into place onto the DIN-Rail as shown in Figure 2 below.Fig. 3-1