104 ZX2 GAS-INSULATED MEDIUM VOLTAGE SWITCHGEAR
—
Ambient temperature, maximum (
1
) °F (°C) 104 (+40)
Ambient temperature, maximum 24 h average (
1
) °F (°C) 95 (+35)
Ambient temperature, minimum °F (°C) 23 (-5)
Site altitude (
2
) ft ...3300
Average humidity measured over 24 h (
3
) % ≤ 95
Average relative humidity in one month (
3
) % ≤ 90
Ambient air
Ambient air not significantly contaminated by dust,
smoke, corrosive or flammable gases or salts.
Seismic withstand capability (
4
) Tested according to IEEE Std. 693.
1. Higher ambient temperature on request
2. Greater site altitudes on request
3. Take suitable action to prevent condensation in the low voltage compartment.
4. Additional measures required (on request)
—
Panel type
Panel width
[inches]
Weight, max.
[lbs]
Single busbar
23.6
31.5, 33.1
3090
4410
Double busbar
23.6
31.5, 33.1
3530
5300
Plenum at the rear
(Increase in weight of the end panel)
600
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