Manual Part 6

DCCU
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 ElectroMagnetic Compatibility (EMC)
2 Dimensions
The physical characteristics of the DCCU are shown in the table below.
Table 1 DCCU 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 unit containing:
• A terminal block for incoming DC cables
• An 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
3 (4)
EN/LZT 720 0224 Uen R2A