Reference Manual

3(4)
EN/LZT 720
0224 R1A
1 Product Overview
1.1 Main Functions
The DCCU distributes primary power to the PSUs and it has the following
functions:
• Terminates incoming DC supply cables
• Disconnects incoming DC supply
• Filters EMC
2 Dimensions
The DCCU has the following physical characteristics:
Table 1 Size and weight
Height Width Depth Weight
293.5 mm 141 mm 60 mm 5 kg
(1)
(1) Including cables
3 Function Description
The DCCU consists of a box containing:
• Terminal block with incoming DC cables
• Eight-pole main switch (disconnecting device)
• A feed-through capacitor filter
• Four cables to the PSUs
4 Interfaces
The DCCU has the following interfaces:
• Terminal block for four incoming DC supply cables
• Four outgoing cables to the PSUs