Eaton Ventilated Transformer General Purpose 112.5 kVA Three-Phase 480V Delta Primary 208Y/120V Secondary Aluminum Windings NEMA 2
Professional Electrical Power Distribution Transformer
The Eaton Ventilated Transformer delivers exceptional electrical power distribution performance for commercial and industrial applications. This 112.5 kVA three-phase transformer provides reliable voltage transformation from 480V delta primary to 208Y/120V secondary, designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.
Professional Features & Benefits
Power Distribution Performance
- 112.5 kVA Capacity - High-capacity power transformation for demanding commercial and industrial electrical systems with reliable three-phase power distribution
- 480V Delta Primary to 208Y/120V Secondary - Standard voltage transformation configuration for commercial building electrical systems and industrial power distribution applications
- Three-Phase Design - Balanced power distribution for motor loads, lighting systems, and mixed commercial electrical applications with superior efficiency
- Aluminum Windings - Lightweight yet durable winding construction providing excellent electrical conductivity and thermal performance for long-term reliability
Environmental Protection & Installation
- NEMA 2 Enclosure - Indoor drip-proof protection suitable for commercial and industrial environments with protection against falling dirt and dripping liquids
- Fungus-Resistant Varnished Core and Coil - Special protective coating prevents fungal growth and moisture damage in humid environments for extended service life
- Ventilated Design - Natural air circulation cooling system maintains optimal operating temperatures and extends transformer life in continuous duty applications
Professional Installation Features
- Floor or Wall Mounting - Flexible installation options for upright mounting in electrical rooms, mechanical spaces, and industrial facilities
- Multiple Tap Configuration - 2 taps at +2.5% and 4 taps at -2.5% provide voltage adjustment capability for varying load conditions and utility voltage fluctuations
Technical Specifications
kVA Rating: 112.5 kVA, Primary Voltage: 480V Delta, Secondary Voltage: 208Y/120V, Phase: Three-Phase, Frequency: 60 Hz, Temperature Rise: 150°C, Insulation Class: 220°C, Frame: FR943, Enclosure: NEMA 2, Mounting: Floor or wall upright only, Coil Material: Aluminum, Sound Level: NEMA ST-20, Tap Configuration: 2 at +2.5%, 4 at -2.5%, Weathershield: WS60, Wiring Connection: 280B, Dimensions: 34.5" W x 31.5" D x 51" H, Weight: 970 lbs, Certifications: UL Listed, Compliance: DOE 2016 Efficient (10 CFR Part 431)
Installation & Usage
- Verify adequate floor space and structural support for 970 lb transformer weight and 34.5" x 31.5" x 51" dimensions
- Ensure proper ventilation clearances around transformer for natural air cooling and heat dissipation
- Connect primary 480V delta supply according to wiring diagram and local electrical codes
- Configure secondary 208Y/120V distribution connections for building electrical panel or load center
- Select appropriate tap setting based on utility voltage conditions and load requirements
- Complete grounding connections and perform insulation resistance testing before energizing
Professional Applications
Ideal for:
- Commercial Building Power Distribution - Office buildings, retail facilities, and commercial complexes requiring 208Y/120V power from 480V utility service
- Industrial Facility Electrical Systems - Manufacturing plants, warehouses, and production facilities with mixed lighting and power loads
- Healthcare and Educational Facilities - Hospitals, schools, and institutional buildings requiring reliable power transformation for critical systems
- Data Center and Telecommunications - Server rooms and communication facilities needing clean, stable power for sensitive electronic equipment
- HVAC and Mechanical Systems - Building mechanical rooms powering air handling units, pumps, and climate control equipment
- Electrical Panel and Load Center Supply - Primary power source for electrical distribution panels and load centers in commercial applications
- Motor Control Center Applications - Power supply for motor control centers and industrial automation systems
- Emergency and Standby Power Systems - Integration with generator systems and uninterruptible power supplies for critical facility operations
DOE 2016 Efficiency Advantage
This transformer meets DOE 2016 efficiency standards (10 CFR Part 431), providing reduced energy losses and lower operating costs compared to older transformer designs. The advanced core and coil design minimizes no-load and load losses, resulting in significant energy savings over the transformer's operational lifetime while maintaining reliable performance.
Why Choose Eaton Quality?
Eaton's century-plus experience in electrical power management innovation ensures this ventilated transformer delivers the reliability and performance that electrical professionals demand. With UL listing, DOE 2016 compliance, and fungus-resistant construction, this transformer provides the quality construction and dependable electrical performance trusted by electricians, electrical contractors, and facility professionals worldwide for critical power distribution applications.
Manufacturer Resources
Product Specs
- Catalog Notes:
- 10 CFR Part 431 (2016) Efficient
- Certifications:
- UL Listed
- Coil Material:
- Aluminum
- Compliances:
- DOE2016 Efficient
- Efficiency:
- 10 CFR Part 431-2016 (DOE 2016)
- Enclosure:
- NEMA 2
- Frame:
- FR943
- Frequency Rating:
- 60 Hz
- Insulation:
- 220 °C
- Kva Rating:
- 112.50 kVA
- Phase:
- Three-phase
- Primary Voltage:
- 480 V delta
- Product Height:
- 51 in
- Product Length Depth:
- 31.5 in
- Product Type:
- Ventilated Transformer
- Product Weight:
- 970 lb
- Product Width:
- 34.5 in
- Secondary Voltage:
- 208Y/120 V
- Sound Level:
- NEMA ST-20
- Special Features:
- Fungus-resistent varnished core and coil
- Tap Size:
- 2 at +2.5%, 4 at -2.5%
- Temperature Rise:
- 150 °C rise
- Volt Ampere Rating:
- 112.5 kVA
- Voltage Rating:
- 480 Vac-208Y/120 Vac
- Weathershield:
- WS60
- Wiring Connection:
- 280B
- Product Group:
- Electrical
- Department:
- Electrical
- Mounting Method:
- Floor or wall, upright only