e²ALPHA MV Switchgears

 e²ALPHA®e²ALPHA®-2Se²ALPHA®-G
            
Switchgear rated voltage12kV17,5kV24kV12kV17,5kV12kV
Lighting impulse test voltage (1.2/50 μs)piorunowe (1,2/50μs)75kV95kV125kV75kV95kV75kV
Power frequency test voltage  (1 min)28kV38kV50kV28kV38kV28kV
Rated frequency50Hz50Hz50Hz50Hz50Hz50Hz
Rated current of busbar, incoming and coupling bays630-4000A630-2000A630-2000A630-2500A630-2000Ado 1250 A
Rated current of outgoing bays630-4000A630-2000A630-2000A630-2500A630-2000Ado 1250 A
Rated short-time withstand current (3 s)(1s)3)do 31,5kAdo 31,5kAdo 25kAdo 31,5kAdo 31,5kAdo 25kA
Internal arc resistance (1s)(0,1s)3)do 31,5kAdo 31,5kAdo 25kAdo 31,5kAdo 31,5kAdo 25kA
Rated peak withstand currentdo 80kAdo 80kAdo 63kAdo 80kAdo 80kAdo 63kA
Switchgear protection ratingIP 4X / IP 54IP 4X / IP 54IP 4XIP 4X / IP 54IP 4X / IP 54IP 4X / IP 54
Accessibility of compartmentsLSC2BLSC2BLSC2BLSC2BLSC2BLSC2B
Classification of enclosuresPMPMPMPMPMPM
Internal arc resistance classAFLRAFLRAFLRAFLRAFLRAFLR
Bay width400-800 mm400-800 mm750-950 mm650-1100 mm650-1100 mm600 mm
Bay height2100 1) /
2200 2) mm
2100 1) /
2100 2) mm
2300 mm2680 mm2680 mm1800 mm
Bay depth1250 1) /  1350 2) mm 1250 1) /   1350 2) mm1440 mm1750 mm1750 mm1480 mm
Maximum height of work1000 m1000 m1000 m1000 m1000 m1000 m
Maximum relative humidity             at 25 ° C100%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), do 2500 A (12 kV)
3) - duration of faults for the Switchgear e2ALPHA-G

•/o - standard/option

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 e²ALPHA®e²ALPHA®-2Se²ALPHA®-G
            
Switchgear rated voltage12kV17,5kV24kV12kV17,5kV12kV
Lighting impulse test voltage (1.2/50 μs)piorunowe (1,2/50μs)75kV95kV125kV75kV95kV75kV
Power frequency test voltage  (1 min)28kV38kV50kV28kV38kV28kV
Rated frequency50Hz50Hz50Hz50Hz50Hz50Hz
Rated current of busbar, incoming and coupling bays630-4000A630-2000A630-2000A630-2500A630-2000Ado 1250 A
Rated current of outgoing bays630-4000A630-2000A630-2000A630-2500A630-2000Ado 1250 A
Rated short-time withstand current (3 s)(1s)3)do 31,5kAdo 31,5kAdo 25kAdo 31,5kAdo 31,5kAdo 25kA
Internal arc resistance (1s)(0,1s)3)do 31,5kAdo 31,5kAdo 25kAdo 31,5kAdo 31,5kAdo 25kA
Rated peak withstand currentdo 80kAdo 80kAdo 63kAdo 80kAdo 80kAdo 63kA
Switchgear protection ratingIP 4X / IP 54IP 4X / IP 54IP 4XIP 4X / IP 54IP 4X / IP 54IP 4X / IP 54
Accessibility of compartmentsLSC2BLSC2BLSC2BLSC2BLSC2BLSC2B
Classification of enclosuresPMPMPMPMPMPM
Internal arc resistance classAFLRAFLRAFLRAFLRAFLRAFLR
Bay width400-800 mm400-800 mm750-950 mm650-1100 mm650-1100 mm600 mm
Bay height2100 1) /
2200 2) mm
2100 1) /
2100 2) mm
2300 mm2680 mm2680 mm1800 mm
Bay depth1250 1) /  1350 2) mm 1250 1) /   1350 2) mm1440 mm1750 mm1750 mm1480 mm
Maximum height of work1000 m1000 m1000 m1000 m1000 m1000 m
Maximum relative humidity             at 25 ° C100%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), do 2500 A (12 kV)
3) - duration of faults for the Switchgear e2ALPHA-G

•/o - standard/option