ODRA – Medium voltage switchgear
Technical data
ODRA 12
ODRA 17
ODRA 24
ODRA 36(40,5)
Rated insulation voltage | kV | up to 12 | up to 17,5 | up to 24 | up to 36/40,5* | ||
Rated lightning impulse withstand voltage (1,2/50μs) | kV | 75/85 | 95/110 | 125/145 | 170/190* | ||
Rated power frequency withstand voltage | kV | 28/32
42/48* |
38/45 | 50/60 | 70/95* | ||
Rated frequency | Hz | 50 | |||||
Rated continuous current | A | up to 3150 | up to 2500 | up to 2000 | up to 1250 | ||
Rated short time withstand current | kА | up to 31,5/3s
up to 40/1s |
up to 31,5/3s | up to 25/3s | |||
Rated peak withstand current | kА | up to 100 | up to 80 | up to 63 | |||
Withstand for internal arcing fault | kА | up to 40/1s | up to 31,5/1s | up to 25/1s | |||
Degree of protection | IP 41/IP4X | ||||||
IAC classification (class of resistance to internal arc) | AFLR | ||||||
PM/PI classification (class of partitions) | PM | ||||||
LSC classification (class of compartment accessibility) | LSC2B | ||||||
Weight | kg | 550-1200 | 900-1600 | ||||
Bus-bar system | single | ||||||
Overall dimensions**) | Width | mm | 600-1000 | 750-1000 | 1200,1600 | ||
Depth | mm | 1250,1450 | 1430 | 1950 | |||
Height | mm | 2150,2250 | 2300 | 2500 | |||
Standards | PN-EN 62271-200:2007PN-EN 62271-1:2009
ГОСТ 14693:1990 ГОСТ 1516.3:1996 |
*) required according to ГОСТ
**) without external guards, covers, doors
Environmental operating conditions
Switchgear ODRA with installed equipment are adapted for indoor operation under normal conditions, with the following environmental conditions:
Switchgear ODRA with installed equipment are adapted for indoor operation under normal conditions, with the following environmental conditions:
Installation altitude above sea level
|
to 1000 m
|
|
Ambient temperature:
|
peak short-time
|
+40°C
|
maximum average during the day
|
+35°C
|
|
maximum average yearly
|
+20°C
|
|
minimum sustained
|
-5°C
|
|
Air relative humidity at +40°C:
|
during the start up
|
max. 80%
|
during standstill or operation
|
max. 95%
|
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