54-185
600VAC 210VAC 175VAC TRANSFORMER - The Heathkit 54-185 is a vintage power/plate transformer manufactured for Heathkit bench test equipment.Technical SpecificationsPrimary Voltage: 115V / 230V ACSecondary Outputs:600V @ 30mA Center Tapped (CT)210V @ 120mA175V @ 15mAEquipment ApplicationThis transformer functions as the main plate transformer (T1 on the schematic) for two of Heathkit's highly popular high-voltage bench power supplies:Heathkit IP-17: Regulated Variable High Voltage Power SupplyHeathkit SP-2717A / IP-2717A: Regulated Variable High Voltage Power Supply (later iterations of the IP-17 architecture)In these specific test instruments, it pairs alongside the 54-184 (which serves as the dedicated filament/heater transformer) to deliver regulated DC outputs from 0 to 400 volts.