Core requirements: fireproof, compact, and automated

Applied equipment:
Indoor load switch: double-break design, insulation resistance >1000MΩ in humid tunnel environment.
Low-voltage switchgear: bus duct fireproof coating (950°C/3h non-flammable), certified by EN 45545.
Intelligent monitoring system: integrated into SCADA, real-time monitoring of traction substation ring network cabinet temperature/partial discharge.