Electric blocking device of electric power low -voltage switchgear

The utility model discloses a simple structure can guarantee the reliable electric blocking device of operation simultaneously. The technical scheme of the utility model comprises an electric blocking device of electric power low -voltage switchgear, including two low pressure inlet wire cabinets and a contact cabinet, the power supply line of different transformer substations is connected respectively to two low pressure inlet wire cabinets, establishes ties between two low pressure inlet wire cabinets and a contact cabinet, and every low pressure inlet wire cabinet and contact cabinet set up a circuit breaker, two auxiliary contacts and a closing coils respectively, and two sets of auxiliary contacts of two low pressure inlet wire cabinets back of establishing ties is parallelly connected again, then gets in touch with the closing coils of cabinet on establishing ties, establish ties the respectively closing coils of two low pressure inlet wire cabinets of two auxiliary contacts of contact cabinet. Between