Used Electrical Equipment Newsgroup

Location: USA, PORTLAND OREGON

Eaton Cooper 2500KVA Power Series Substation Transformer- Never used..
Based on the detailed specifications available, here's a breakdown of the Eaton Cooper Power Series 2500 kVA transformer using Cargill's Envirotemp™ FR3™ fluid, configured for: Primary Voltage (HV): 12,470 V Secondary Voltage (LV): Dual 460 V outputs, each rated at 1250 kVA Transformer Overview Type: Three-phase, pad-mounted or substation-style Power Rating: 2500 kVA total (2 x 1250 kVA outputs) Frequency: 60 Hz Cooling Class: KNAN (natural air-cooled with FR3 fluid) Insulating Fluid: Envirotemp™ FR3™ (biodegradable, high fire point, less flammable) Temperature Rise: Typically 65°C or 55/65°C Tap Changer: 5-position tap changer for voltage regulation Bushings: Molded epoxy bushings with NEMA spades Standards Compliance: ANSI C57.12.00, C57.12.90, NEC 450.23, OSHA FR3 Fluid Benefits Fire Safety: Fire point > 300°C, ideal for indoor/outdoor use Environmental: 100% biodegradable, non-toxic Performance: Extends insulation life, supports higher temperature operation Regulatory: Meets NEC and OSHA requirements for fire-sensitive areas 1 Design Features Dual Secondary Windings: Each 1250 kVA @ 460 V, ideal for split-load applications Construction: Sealed tank design with pressure relief, liquid level gauge, and thermometer Optional Add-ons: Vacuum Fault Interrupters (VFI) Surge arresters Seismic-rated base Solar/wind integration