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3.3 Modular Elements
3.3.1
Reinforced Cabinet Stool
UPS Cabinet and Battery Expansion Cabinet
The Reinforced Cabinet Stool is a load bearing replacement to the normal ST950 cabinet
stool. It provides mounting points for the cabinet outer case and internal housing modules
as well as a CET plate for the earthing of cables entering and exiting the cabinet via
underground ducting.
Figure 3-3: Reinforced Stool – FRONT VIEW (CET plate attached)
3.3.2
Vented Cabinet Outer Case
UPS Cabinet and Battery Expansion Cabinet
Plastic ventilation devices have been added to the ST950 outer case to provide the
additional airflow required by UPS system equipment. The vents are fitted behind the
cabinet's front door and are invisible when the door is closed.
3.3.3
Battery Housing Module
UPS Cabinet and Battery Expansion Cabinet
The Battery Housing module is the main building block of the internal mounting frame. It
provides mounting and connectivity for one 48V 55Ah battery bank, made up of four
individual batteries. A 63A double-pole MCB on the right hand side provides isolation,
allowing the batteries to be removed and replaced whilst the UPS Solution is still
powering the intersection, and a simple battery connector gives easy plug-and-play
connectivity to the rest of the system.
Battery Housings are stackable and are designed to slide into place on top of each other
for ease of installation. A bar, fitted to the front of each module, can be raised to form a
lip for battery retention.
Version
7
Last Editor
Ore Oluwatudimu
Document
UPS Solution General Handbook
Name
Copyright ã Siemens plc 2017 All Rights Reserved
Infrastructure and Mobility, Traffic Solutions
Page 14 of 76
Status
TS008468
Date
Doc. No.
Sopers Lane, Poole, Dorset
BH17 7ER
ISSUED
31/01/2017
667/HB/47750/000
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