The MGM Transformer Company 297T is a single-phase, 15 kVA transformer engineered for voltage conversion and electrical isolation across industrial and commercial systems. Operating at 60 Hz with a 480V primary voltage rating, this air-cooled unit delivers reliable performance in demanding environments. UL 506 and UL 1561 listed, seismically certified per ASCE/SEI 7-05, and compliant with DOE 2016 efficiency standards, the 297T combines proven reliability with regulatory compliance.
Technical Specifications
• Capacity: 15 kVA
• Type: Single-phase transformer
• Frequency: 60 Hz
• Primary Voltage: 480V
• Secondary Voltage: 240/120V or 208/120V (standard configurations)
• Temperature Rise: 150°C
• Winding Material: Aluminum or copper options
• Cooling Method: Air-cooled with free-circulation design
• Insulation System: Rated to nameplate BIL
• Efficiency: DOE 2016 compliant
– Key Features
• Enclosure: Type 3R rain-proof design; suitable for indoor or outdoor deployment
• Certifications: UL 506, UL 1561, seismic certification (ASCE/SEI 7-05), OSHPD OSP pre-approval (low voltage)
• Connection Compatibility: NEC-compliant terminal sizing; 60°C rated cable for circuits under 100A; 75°C or higher for 100A+ circuits; 90°C cable (sized to 75°C) for terminals mounted above coils
• Ambient Operating Range: 24-hour average maximum 30°C (86°F); peak maximum 40°C (104°F)
• Maintenance: Recheck connecting lugs and bolts after 30 days of service
– Typical Applications
Voltage conversion, electrical isolation, industrial loads, and commercial power distribution where single-phase step-down transformation is required.
– Compatibility & Integration
Handling via hand truck or forklift is acceptable when forks fully support the base; exercise caution due to elevated center of gravity. Restrict airflow and overloading to prevent thermal issues. Voltage must remain within rated parameters to ensure safe operation.
