Manual Part 5

ACCU -02
1 Product Overview
The ACCU-0 2 distributes and supervises the incoming AC mains power to
the units in the RBS.
The ACCU-02 consists of t wo units, that is a Connecti on Unit and a Distribution
Unit. The units are connected together by a power cable and a signa l cable.
1.1 Main Functions
The ACCU-02 has the following main functions:
• Distributes AC po wer to the Power Supply Units (PSU) and enables the
PSUs to connect and disconnect throug h the Environmental and Power
Control (EPC) bus
• Distributes AC power to the Climate Unit
• Provides ElectroMagnetic Comp at ibility (EMC) filtering, and Su rge
Protection Devices (SPD), aga inst power line dis turbances on the incoming
AC power
• Acts as a disconnecting device (Mains Switch)
• Supervises the mains supply and triggers an alarm when undervoltage
and fuse fault o ccur
• Provides +24 V DC outputs to li ghting in the cabin et and to auxiliary
equipment
• Provides a service outlet for instruments a nd tools
2 Dimensions
The phy sical characteristics of t he ACCU-02 are shown in the table below.
Table 1 ACCU-02 Size and Weight
Height Width Depth
Connection
Unit
93 mm 205 mm 301 mm
Distribution
Unit
149 mm 435 mm
(1)
250 mm
(1) Excluding mounting bracket.
3 (8)
EN/LZT 720 0230 Uen R2A