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{"title":"315kVA Pad Mounted Transformer 12.47kV to 480V Three Phase DOE & ANSI Certified","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/97\/ff9d8d250b8f2a9038087bd71847-200x200-1\/315kva_pad_mounted_transformer_12_47kv_to_480v_three_phase_doe_26amp_3b_ansi_certified.jpg","attrs":{"Insulationtype":"Mineral Oil or Ester Fluid","Powerrating":"15 kVA to 3000 kVA","Tapping Range":"2X2.5%","Operatingtemperaturerange":"-40\u00b0C to +40\u00b0C"}}
{"title":"High Protection Three Phase Pad Mounted Transformer 700kVA 11kV 400V Designed","imgUrl":"https:\/\/img.chinax.com\/nimg\/21\/4b\/495f7691dc82e2d99c4995b8bea0-200x200-1\/high_protection_three_phase_pad_mounted_transformer_700kva_11kv_400v_designed_for_residential_blocks_fast_deployment_low_cost.jpg","attrs":{"Certification":"CE,ISO9001\uff0cIEC60076","Delivery Time":"25-40","Output Voltage":"0.4kV","Capacity":"700kVA"}}
{"title":"High Efficiency 3 Phase Pad Mounted 500KVA Transformer 0.69\/11KV for Solar Farm","imgUrl":"https:\/\/img.chinax.com\/nimg\/1f\/4b\/8eb4fe23bdeca05df2f8abe48f86-200x200-1\/high_efficiency_3_phase_pad_mounted_500kva_transformer_0_69_2f11kv_for_solar_farm_integration_manufacture.jpg","attrs":{"Brand Name":"HENTG POWER","Model Number":"500KVA-0.69KV\/11KV","Certification":"CE","Place of Origin":"China"}}
{"title":"Compact 500kVA-2500kVA Three Phase Liquid Filled Pad Mounted Transformer 0.69","imgUrl":"https:\/\/img.chinax.com\/nimg\/f7\/33\/ba15da06e577a54540a1edad4d77-200x200-1\/compact_500kva_2500kva_three_phase_liquid_filled_pad_mounted_transformer_0_69_2f11kv_for_large_scale_pv_plants.jpg","attrs":{"Brand Name":"HENTG POWER","Model Number":"500-2500KVA-0.69KV\/11KV","Certification":"CE","Place of Origin":"China"}}
{"title":"315 kVA Three-Phase Pad-Mounted Transformer 11kV\/400V ANSI\/IEEE Flip-Top","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/97\/ff9d8d250b8f2a9038087bd71847-200x200-1\/315_kva_three_phase_pad_mounted_transformer_11kv_2f400v_ansi_2fieee_flip_top.jpg","attrs":{"Payment Terms":"T\/T","Usage":"Outdoor Power Line Operation","Insulation Fluid":"Mineral Oil \/ FR-3 Oil","Customized":"Accept"}}
{"title":"75kVA Oil Immersed Three Phase Style Pad Distribution Transformer 35kV ONAN","imgUrl":"https:\/\/img.chinax.com\/nimg\/7d\/b4\/74b6da3c544068b7ed1679765052-200x200-1\/75kva_oil_immersed_three_phase_style_pad_distribution_transformer_35kv_onan.jpg","attrs":{"Brand Name":"HENTG Power","Certification":"UL\/CSA\/IEEE","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"75Kva Three Phase Pad Mounted Transformer with 50\/60Hz Frequency and 35KV Rated","imgUrl":"https:\/\/img.chinax.com\/nimg\/59\/2e\/0df25233403fc37b16a5d13d860d-200x200-1\/75kva_three_phase_pad_mounted_transformer_with_50_2f60hz_frequency_and_35kv_rated_voltage_for_reliable_power_distribution.jpg","attrs":{"Brand Name":"HENTG Power","Certification":"UL\/CSA\/IEEE","Place of Origin":"China","Minimum Order Quantity":"1"}}
The 315 kVA Three-Phase Pad-Mounted Transformer (American-style compartmental pad-mount) is a compact, dead-front, oil-immersed distribution transformer designed for underground power distribution systems in the United States. Perfect for residential subdivisions, commercial buildings, industrial parks, data centers, and EV charging stations.
Key Specifications
Rated Capacity: 315 kVA
Primary Voltage: 12.47 kV Delta
Secondary Voltage: 480 V Wye (480Y/277 V)
Vector Group: Dyn11
Impedance: Approx. 4.75% (range 4.5%–5.75%)
Losses: Meets or exceeds DOE 2016 efficiency standards
Average Winding Temperature Rise: 65°C
Cooling Type: ONAN
Frequency: 60 Hz
Tap Changer: ±2 × 2.5% (de-energized)
BIL: 95 kV (HV), 30 kV (LV)
Key Features
Flip-top hood – 180° opening for easy access and maintenance
Fully sealed dead-front construction – tamper-resistant, no exposed live parts
Robust steel enclosure with high-quality powder coating (Munsell Green standard)
