User Manual EM303B General Purpose Inverter 2.2 Overall and Installation Dimensions EM303B can be classified to 10 sizes for total 30 models. See Figure 2-1 and Table 2-2 for installation dimensions. The keypad can be installed on the metal panel separately with a hole size of 116.5±0.1(L)*71.5±0.1 (W)mm, and applicable metal panel thickness:1.2 ～ 2.0mm. H H1 D1 D2 71 74 26 34 8 58 2- 2-M3 W1 W D - R 118 116 77 16 (a) (b) D2 D1 D1 W1 W D W1 D W H2 H1 H H H1 H2 2-d 3-d （c）（d） Figure 2-1 Overall and Keypad Dimensions of EM303B 15