Switchboard Basic Structure; Typical Side Section - ABB MNS R Installation Manual

2.2

Switchboard Basic Structure

2.2.1

Typical Side Section

The basic structure of the frame (steel C-sections, 2 mm thick, with holes at 25 mm intervals), consists of:
• Equipment compartment
• Busbar compartment
• Cable compartment
CABLE
COMPARTMENT
The equipment compartment consists of:
• Main circuit breakers
• Auxiliary devices
• Terminal boards
The busbar compartment consists of:
• Main busbars
• Distribution bars
The cable compartment consists of:
• Input and output cables
• Auxiliary accessory (connectors, auxiliary terminal boards, etc.)
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1TTS900001M0902
BUSBAR
COMPARTMENT
EQUIPMENT
COMPARTMENT