Insulated/Isolated Bus System - GE Entellisys Installation And Maintenance Instructions Manual

Entellisys Low Voltage Switchgear
Chapter 3. Description
5
1. Upper section vertical bus-incoming line
2. Lower section vertical bus-load side
3. Barrier between upper and lower vertical
bus sections
4. Incoming bus connections
5. Main horizontal bus connections
Fig. 3-15. Main breaker bus arrangement

Insulated/Isolated Bus System

A bus insulation system,
phase of the horizontal main bus and isolates each phase of
the vertical bus, is optionally available for Entellisys
switchgear when
4
ISOLATED BUS system, there are no live connections
accessible in the rear of each section except the cable lugs.
1
3
2
1.
2.
3.
4.
Fig. 3-16. Insulated/Isolated-Bus system
20
3-16, that fully insulates each
Fig.
specified. With the
Vertical riser bus covers
Run-backs to feeder cables
Horizontal main bus
Lower neutral bus with 4
sensors
INSULATED/-
1
2
3
4
th
wire