Introduction DAL5-63 residual current circuit breakers are
protection equipment which must be used to protect human life
against dangerous electric shocks or prevent the fires arising out
of isolation mistakes thereby detecting isolation mistakes to occur
within the plant in advance. Sigma residual current circuit
breakers are produced with 2 and 4 poles in accordance with IEC EN
61008-1 standard and in compliance with CE norms under ISO
9001:2008 quality assurance system. ApplicationThe residual
current circuit breaker is designed to meet GB16916.1, IEC61008 and
BS4293 standards. It is used in situations requiring alternating
current 50-60Hz, single-phase 240V (220V), three-phase 415V (380V)
such as industrial and mining operations, commerce and household.
It can be used for infrequent conversion of lines under normal
circumstances when functions as a personal electric shock and
equipment leakage protection device.Tripping
sensitivity10mA-precision instrument leakage protection and
bathroom use30mA-additional protection against direct
contact.100mA-co-ordinated with the earth system according to the
formula I△n
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