e²ALPHA MV Switchgears

  e²ALPHA® e²ALPHA®-2S e²ALPHA®-G
   

 

e²ALPHA®

  

e2ALPHA-2S 

  

 

 

 

e2ALPHA-G
Switchgear rated voltage 12kV 17,5kV 24kV 12kV 17,5kV 24kV 12kV
Lighting impulse test voltage (1,2/50μs) 75/85kV 95/110kV 125/145kV 75/85kV 95/110kV 125/145kV 75kV
Power frequency test voltage
(1-min.)		 28/32kV 38/45kV 50/60kV 28/32kV 38/45kV 50/60kV 28kV
Rated frequency 50Hz 50Hz 50Hz 50Hz 50Hz 50Hz 50Hz
Rated current of busbar, incoming
and coupling bays		 630-4000A 630-2000A 630-2500A 630-2500A 630-2000A 630-2000A 630-1250A
Rated current of outgoing bays 630-4000A 630-2000A 630-2500A 630-2500A 630-2000A 630-2000A 630-1250A
Rated short-time withstand current (3s))/(1s)3) up to 40kA up to 31,5kA up to 25kA up to 31,5kA up to 31,5kA up to 25kA up to 25kA
Internal arc resistance (1s) up to 40kA up to 31,5kA up to 25kA up to 31,5kA up to 31,5kA up to 25kA up to 25kA
Rated peak withstand current up to 100kA up to 80kA up to 63kA up to 80kA up to 80kA up to 63kA up to 63kA
Switchgear protection rating IP4X/IP54 IP4X/IP54 IP4X/IP54 IP4X/IP54 IP4X/IP54 IP4X/IP54 IP54
Accessibility of compartments LSC2B LSC2B LSC2B LSC2B LSC2B LSC2B LSC2B
Classification of enclosures PM PM PM PM PM PM PM
Internal arc resistance class AFLR AFLR AFLR AFLR AFLR AFLR AFLR
Bay width 400-950 mm 400-950 mm 750-950 mm 650, 800
1100 mm

650, 800,
1100 mm

 800, 1100 mm 600, 750 mm
Bay height 21001) - 23002) mm 21001) - 22002) mm 2300 mm 2680 mm 2680 mm 3400 mm 1800 mm
Bay depth 12501)/ 13502) / 14404) mm 12501)
/ 13502) mm		 14403) 4) mm 1750 mm 1750 mm 2400 mm 1480 mm
Maximum height of work 1000 m 1000 m 1000 m 1000 m 1000 m 1000 m 1000 m
Maximum relative humidity at 25°C 100% 100% 100% 100% 100% 100% 100%

1)  busbar current up to 1250 A (12 - 17,5 kV)
2) busbar current up to 2000 A (12 - 17,5 kV), up to 2500 A (12 kV)
3) busbar current up to 2500 A (24 kV)
4) busbar current up to 4000 A (12 kV)
5) duration of faults for switchgear e2ALPHA-G

•/o - standard/option