Product OverviewThe ZGS Series American-style prefabricated substation is built under Schneider-authorized modular manufacturing.    Compact—only one-third the footprint of an equivalent European-style unit—it features a fully sealed enclosure, superior ventilation, and precise temperature control to deliver excellent heat dissipation and strong overload capability.    Ergonomic design simplifies operation and data access, while advanced intelligence supports remote monitoring and proactive maintenance, providing a highly efficient and reliable power solution for a wide range of environments.ApplicationsUrban distribution networks, industrial parks, mining enterprises, rural grid upgrades, photovoltaic and wind-power projects, metro systems, airports, highways, construction sites, and temporary power for large events.Product DescriptionCompact & quick install: Small footprint and modular design shorten on-site work and enable easy relocation.Fully sealed enclosure: Provides excellent environmental protection for reliable operation in harsh conditions.Superior cooling & overload capacity: Guided ventilation technology ensures efficient heat removal and sustained overload performance.Flexible configurations: Dry-type or oil-type transformers, terminal or ring-main supply options, long service life with minimal maintenance.Smart “three-remote” functions: HV side can be fitted with CT, PT, protection, and communication devices; LV side supports intelligent meters for remote telemetry, telesignaling, and telecontrol.Eco-smart & energy management: Optional LED display for public information; full-scope data acquisition and analytics enable proactive O&M and multi-scenario energy management.Key FeaturesSchneider-authorized modular manufacturing: Ensures consistent quality and reliability.User-centric design: Controls and documentation are easily accessible.Fully sealed structure: Safe, reliable, and environmentally robust.High-efficiency thermal control: Adjustable temperature settings adapt to diverse site conditions.Ultra-compact: Roughly one-third the size of equivalent European units, saving valuable space.Strong overload capability: Excellent cooling supports sustained overload operation for higher efficiency and reliability.Main SpecificationsRated capacity: 50 kVA – 2 500 kVARated voltages: 6 kV / 10 kV / 20 kV / 35 kVHV rated current: 100 A – 630 ALV rated current: 100 A – 4 000 ARated frequency: 50 Hz / 60 HzApplicable StandardsGB/T 17467 High-voltage/low-voltage prefabricated substationsGB 1094 Power transformersGB/T 11022 Common specifications for HV switchgear and controlgearGB/T 7251 Low-voltage switchgear and controlgear assembliesIEC 62271-202 HV/LV prefabricated substations – International standard