Products & Services MV Switchgears Technical Details

 

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 TECHNICAL DETAILS


Nominal Voltage 36 kV

Power Frrequency Withstand Voltage (1 min)

Phase-Earth and Phase-Phase  70 kV

At Disconnected Position (Open contacts) 80 kV

Lightning Impulse Voltage 1.2/50 µs

Phase-Earth and Phase-Phase 170 kV

At Disconnected Position (Open contacts) 195 kV

Nominal Frequency 50/60 Hz

Nominal Current 630 A

Nominal peek withstand current 40 kA

Nominal short-time withstand current (1s) 16 kA - 20 kA

 

Loac Break Switch - Breaking Capacity

Nominal active load breaking current 630 A

Nominal closed circuit breaking current 630 A

Nominal cable breaking current 50 A

Nominal line breaking current 2 A

Nominal earth fault current 150 A

Cable and line breaking current at earth fault 87 A

Nominal Short Circuit Making Current 40 kA peek

Class M1, E3

 

Fuses 36 kV

 

Earthing Switch ESH 36/1 36 kV

Nominal short-time withstand current (1s) 16 kA - 20 kA

Nominal short-circuit making current 40 kA-peek

 

Earthing Swittch ESH 36/2 36 k

Nominal short-time withstand current (1s) 1 kA

Nominal short-circuit making current 2,5 kA - peek