GE Industrial Solutions AKD-20 Low Voltage Switchgear Manuel d'utilisation

Page 27

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AKD-20 Low Voltage Switchgear
Chapter 3. Description

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Space heaters (3), Fig. 3-29 are provided as standard equipment.

They provide protection against condensation of moisture that

could, in combination with air-borne contaminants, deteriorate

insulation or cause corrosion. One 1000-watt, 240-volt, operating at

120V (250-watts) ac heater is located on the floor of the bus

compartment of each outdoor switchgear section. The heaters

should be energized at all times to prevent condensation within the

switchgear.

1. Interior lighting switch

2. GFCI convenience outlet

3. Breaker lifting device crank

Fig. 3-28. Outdoor enclosure accessories

Heaters are fed by the control power transformer. The on-off

control switch is located in the walk-in front aisle.

1. Rear cable compartment floor (Standard on steel floor

on outdoor - Optional on indoor)

2. Runbacks and cable lugs – compression type

3.

Space

heater

Fig. 3-29. Location of space heater

AKD-20 outdoor switchgear may also be provided without the walk-

in front aisle. Non-walk-in outdoor equipment is not equipped with

an overhead breaker lifting hoist. A portable hoist, available as an

optional accessory, is used for lifting the EntelliGuard G breakers.

2

1

3

1

2

3

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