The information of the product with the name plate No. py - 600 meets the requirements and design documents of Chinese national standard GB / t25890.6 and International Standard IEC 61992.6.
When this cabinet has reverse current, it cuts off the rectifier from the bus 600V and uses it for repair and maintenance. The cabinet is equipped with a fast circuit breaker in the main current circuit. Equipped with reverse current protection and interlocked with vacuum switch 6/10 kVA.
The purpose of the feeder cabinet is to supply power to the contact network on the cable line. The main circuit is equipped with a DC fast circuit breaker, a bypass bus isolation switch and a ground isolation switch. The repair work is carried out with a separate ground isolation switch.
The spare switchgear ensures the power supply of the line feeder when a feeder cabinet is repaired or maintained. This cabinet is equipped with a fast circuit breaker and two grounding isolation switches.
The function of the negative switch cabinet is that the output feeder of the catenary is connected to the negative bus through the isolating switch. In a cabinet, multiple negative bus cables can be placed according to user requirements.
