15
R E LI AG E A R® LV SG
LO W VO LTAG E S W I TC H G E A R
All of the primary circuit switching and protective
devices, secondary control and metering devices,
control fuses and instrument transformers,
are mounted in the enclosure. The breaker
compartments include draw-out rails, stationary
breaker contacts, interlocks and necessary control
and indicating devices.
The breakers are provided with self-aligning
primary and secondary disconnecting contacts,
breaker locking mechanism, and integral trip unit.
The individual sections, compartments, and
devices are described in the following paragraphs.
Figure 15 is an outline of a typical single-ended load
center unit substation illustrating the
nomenclature used for all equipment.
A
A
A
B
B
B
C
C
D
D
D
A
B
Primary section
Transformer
ReliaGear LV SG section
Load center unit substation
Shipping
package
Shipping
package
Transition
section
Shipping
package
Switch unit
Breaker sections
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15
Outline of a typical load
center unit substation
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15