Reference Manual

3(6)
EN/LZT 720 0230 R1A
1 Product Overview
ACCU-02 distributes and supervises the incoming AC mains to the units in the
RBS.
It consists of two units, a Connection Unit and a Distribution Unit. The units
are connected together with a power cable and a signal cable.
1.1 Main Functions
ACCU-02 has the following main functions:
• Distributes AC power to the PSUs and makes it possible to connect and
disconnect the PSUs through the EPC bus.
• Distributes AC power to the Climate Unit.
• Provides EMC filtering and protection against power line disturbances on
the incoming AC power.
• Acts as a disconnecting device (Mains Switch).
• Supervises the mains supply and triggers an alarm on undervoltage, fuse
fault and worn out overvoltage protectors.
• Provides +24 V DC outputs to lighting in the cabinet and to auxiliary
equipment.
• Provides a service outlet for instruments and tools.
2 Dimensions
The ACCU has the following dimensions:
Table 1 Size and weight
Height Width Depth
Connection unit
93 mm 205 mm 301 mm
Distribution unit
149 mm
435 mm (excluding
mounting bracket)
250 mm
3 Function Description
The ACCU-02 consists of two units, a Connection Unit and a Distribution Unit.