RESIN CAST DRY TYPE TRANSFORMER, 4000 KVA
The L/C Magnetics 4000 kVA Resin Cast Dry-Type Transformer is engineered for reliable, efficient power distribution in industrial, commercial, and utility environments. Designed without liquid insulation, this dry-type transformer delivers excellent safety, thermal performance, and long service life for indoor installations. Its resin cast insulation and rugged construction provide superior resistance to moisture, dust, and environmental contaminants while meeting industry-recognized performance standards.
Electrical Ratings & Performance
- Rated Power: 4000 kVA
- Phase: Three Phase
- Frequency: 60 Hz
- Primary Voltage: 480 VAC L-L, Delta (typical configuration)
- Secondary Voltage: 480 VAC L-L, Wye (typical configuration)
- Connection: Delta-Wye
- Windings: Aluminum (standard on this model)
- K-Factor: K-1 rated
- Temperature Rise: 150 °C (Class H insulation)
- Approvals: UL / CSA listed
- Indoor Enclosure: Sized to transformer, custom built
- Estimated Weight: ~17,300 lbs (standard dry type)
Insulation & Dielectric Strength
- Insulation System: Resin cast dry type, Class H
- Dry construction eliminates oils and fluids and provides high dielectric strength with minimal maintenance.
Construction Features
- Heavy-duty aluminum windings for cost-effective performance at high kVA ratings
- Vacuum-impregnated resin encapsulation for excellent moisture resistance and long-term stability
- Silicon steel core optimized for low losses and reduced noise
- Robust mechanical support for short-circuit and inrush stress
- Stainless steel nameplate and identification
Cooling & Thermal Management
- Cooling Method: AN/AF (Air Natural / Air Forced) capable design
- Dry-type configuration supports safe operation at rated load under normal ambient conditions
- Optional forced-air cooling available for enhanced thermal performance
Safety & Protection
- No oil or liquid insulation – fire-safe dry type design suitable for indoor and high-occupancy spaces
- Designed for safe operation with grounding provisions and UL/CSA compliance
- Optional temperature sensors and protective devices available to suit application needs
Mechanical Characteristics
- Enclosure: Indoor, custom size to transformer specification
- Dimensions and weight vary with configuration and enclosure selection
- Lifting provisions to facilitate safe handling and installation
Standards & Compliance
- Designed and built to meet applicable UL and CSA requirements for dry-type transformers
- Resin dry-type construction supports safe indoor application and reduced fire hazard
Typical Applications
- Industrial power distribution and manufacturing facilities
- Commercial building power systems
- Critical infrastructure and utility installations
- Data centers and high-density electrical environments
- Facilities requiring high-capacity dry-type transformers
Custom Engineering Available
L/C Magnetics offers custom resin cast transformer solutions to meet specific voltage, impedance, protection, and environmental requirements. Please contact us to discuss your application.
To discuss your specific application, please call our number at (714) 624-4740, or send us an email at quote@lcmagnetics.com.
CONTACT FOR A FREE QUOTE
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EMAIL: quote@lcmagnetics.com
PHONE: (714) 624-4740
L/C MAGNETICS INC.
MANFACTURER, RESELLER, AND DISTRIBUTOR OF CUSTOM TRANSFORMERS AND INDUCTORS
DRY TYPE TO OIL FILLED PRODUCTS FROM 0.1 KVA TO 50 MVA
CELEBRATING 35 YEARS IN BUSINESS
CARL E. HOLMES COMPANY -- CEHCO
MANUFACTURER OF CUSTOM DC RECTIFIERS, TRANSFORMER RECTIFIER ASSEMBLIES, AND POWER SUPPLIES
DIVISION OF L/C MAGNETICS
RECTIFIER SPECIALIST SINCE 1945