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Answer 10 'during office hours
Part of Set Series
Ring Main Units up to 24kV , Short Time current rating up to 21kA ,rated for Internal arc up to 20kA AFLR with options
Standard : IEC 62271-200
Rated voltage : Up to 24 kV
Frequency : 50 or 60Hz
Rated current busbar : 630A
Rated current for Load Break switch 630A & Circuit breaker 200A ( for transformer protection ) ,630A ( for Feeder Protection)
Busbar system : Single
Short circuit rated current : Up to 21kA 1 sec
Internal Arc Classification : Up to 20kA AFLR with options
Loss of service continuity : LSC 2A
Partition class: PM