Outdoor Rated Three Phase Pad Mounted Transformer 300kVA With Tamper Proof Cabinet
Outdoor Rated Three Phase Pad Mounted Transformer 300kVA With Tamper Proof Cabinet Product Specifications Type Distribution transformer, power transformer, Oil-filled Transformer Frequency 50Hz, 60Hz Winding Material Aluminum Application Power Distribution System Phase Three Coil Structure TOROIDAL Input Voltage 10kV Output Voltage 400V, 380V, 440V, 480V Cooling Method ONAN ONAF OFAF Capacity (KVA) HV Tapping range LV No-load loss Load loss Impedance Efficiency 75 2400 4160
Three Phase Pad Mounted Transformer 300kVA
,Outdoor Rated Pad Mounted Transformer
,Tamper Proof Cabinet Pad Mounted Transformer
| Type | Distribution transformer, power transformer, Oil-filled Transformer |
| Frequency | 50Hz, 60Hz |
| Winding Material | Aluminum |
| Application | Power Distribution System |
| Phase | Three |
| Coil Structure | TOROIDAL |
| Input Voltage | 10kV |
| Output Voltage | 400V, 380V, 440V, 480V |
| Cooling Method | ONAN ONAF OFAF |
| Capacity (KVA) | HV | Tapping range | LV | No-load loss | Load loss | Impedance | Efficiency |
|---|---|---|---|---|---|---|---|
| 75 | 2400 4160 7200 7620 12000 12470 13200 13800 14400 19920 24940 34500 | ±2X2.5% | 110 120 208 240 277 347 415 416 480 600 690 | 130 | 100 | 4.0-6.3 | 99.03 |
| 300 | 430 | 3700 | 99.27 |
This 300kVA three-phase pad-mounted transformer is engineered for superior reliability and efficiency in medium-voltage power distribution systems. Designed for outdoor installations, it features a tamper-proof cabinet, oil-immersed cooling, and a compact footprint, making it ideal for utility, commercial, and industrial use. Built to ANSI/IEEE and IEC standards, this transformer offers long-term durability and excellent thermal performance.
- Power Rating: 300kVA
- Type: Three-Phase, Pad-Mounted, Oil-Immersed
- Primary Voltage: Optional (e.g., 13.8kV, 12.47kV, or custom on request)
- Secondary Voltage: 480Y/277V, 208Y/120V, or customized
- Frequency: 50/60Hz
- Cooling Method: ONAN (Oil Natural Air Natural)
- Temperature Rise: 55°C or 65°C available
- Tap Changer: Off-circuit tap changer ±2×2.5% or as specified
- Enclosure: Weatherproof, tamper-resistant cabinet (ANSI C57 compliant)
- Efficient & Reliable: High-grade silicon steel core and precision winding ensure low losses and reliable voltage regulation.
- Low Maintenance: Hermetically sealed tank design reduces the risk of leaks and prolongs service life.
- Safe for Public Areas: Tamper-proof design with dead-front construction ensures public safety and secure operation.
- Flexible Configuration: Primary and secondary voltages can be customized to meet site-specific requirements.
- Rugged Outdoor Use: Corrosion-resistant coating and weatherproof design ensure durability in all environments.
- Utility substations
- Commercial complexes
- Hospitals and healthcare facilities
- Schools and universities
- Data centers
- Manufacturing and industrial plants
- Renewable energy systems (solar/wind)
HENTG POWER is a professional designer, manufacturer and installer of power system solutions worldwide, founded in 2011 with a 100,000 square meter facility. We specialize in reliable, high-performance solutions for global power systems.
- Pre-production samples before mass production
- Final inspection before shipment with QC & test reports
- Factory Acceptance Test (FAT) available
- Manufacturing capability up to 500KV 480MVA power transformers
- Compliance with ANSI/IEEE/DOE2016/CSA/IEC60076 standards
- 2+ years guarantee service
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