Time cut-out AV-8A-4U3
The time cut-out AV-8A is intended for carrying out current in the normal mode and shutdowns of current at short circuits and overloads, and also for operational inclusions and shutdowns of electric direct current circuits.
It is applied in installations of a rolling stock of subways, the electrified city and industrial transport.
Switches are manufactured with the electromagnetic releaser without mechanism of free unhooking, with the manual drive and front accession of external wires. The supply of external wires is carried out through openings in the case.
The switch is placed in a cabin of the driver of an electrorolling stock, is mounted by the handle down and fastens three bolts of M10.
Climatic modification — U3 and T3 in accordance with GOST 15150-69.
THE REFERENCE DOCUMENT - TU 16-522.043-77.