Emerson 48330 User Manual

Chapter 2  Installation      17 

ACTURA Flex 48330

 

Power System  User Manual 

2.3    External Electrical Connection Interface 

2.3.1    Connection Of Input Cables 

The AC input terminals, SPD, rectifier AC input switch, PE bus and PE terminals 

are illustrated in Figure 1-6. SPD is just adjacent to the AC input terminals and has 

been connected in before delivery. PE bus is at the top of the MFU and is 

connected to the DC Power Cabinet through screws. PE bus is connected PE 

terminal through a cable. 

The AC mains is connected to the AC input terminals directly. There are 6 AC input 

modes as shown in Table 2-2: 

Item 

Function unit 

Amount 

3P+N/380V AC input   

 

1P+N /220V AC input   

 

L1+L2/220V AC input 

 

3P/220V AC input   

 

Terminals only - for individual rectifier AC feeds 

 

AC distribution 

2P MCB only - for individual rectifier AC feeds 

 

 

Strip the insulation layer of one end of the AC input cable, and then mounted the 

cable end with an H terminal. 

The cable mounted with an H terminal is shown in Figure 2-4. 

H Terminal

AC Input Cable

 

After attaching the H terminal to the AC input cable, connect the AC input cable to 

the AC input terminals as shown in Figure 2-5: