User Manual EM303B General Purpose Inverter 1.3 EM303B Outlook See Figure 1-4 for the outlook of EM303B (Instance: EM303B- 4.0kW). Housing Upper Keypad Mounting Hole Housing Middle Nameplate Housing Base Mounting Hole Figure1-4 EM303B Outlook The housing upper can be disassembled by following the arrow shown in Figure1-4. See Figure 1-5 for control circuit terminals and main circuit terminals. Control Circuit Terminal Block Main Circuit Terminal Block Figure 1-5 Control Circuit Terminal Block and Main Circuit Terminal Block S V U W PB R T 13