Hunan Hentg Power Electric Technology Co., Ltd.
| Secondary voltage | 120–600 V (e.g., 208Y/120, 480Y/277, 600Y/347) |
| Supply Ability | 20,000 sets/year |
| Primary voltage | up to 34.5 kV, BIL up to 200 kV |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Rating Capacity | 75–5000 kVA |
| Delivery Time | 45 work days |
| Packaging Details | Wooden Case |
| Windings | Cu or Al |
| Tap changer | 5‑step no‑load |
| Cooling | ONAN/ONAF/KNAN |
| Model Number | ZGS |
| Certification | ANSI/IEEE |
| Brand Name | HENTG POWER |
| Place of Origin | Jiangsu, China |
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Product Specification
| Secondary voltage | 120–600 V (e.g., 208Y/120, 480Y/277, 600Y/347) | Supply Ability | 20,000 sets/year |
| Primary voltage | up to 34.5 kV, BIL up to 200 kV | Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Rating Capacity | 75–5000 kVA | Delivery Time | 45 work days |
| Packaging Details | Wooden Case | Windings | Cu or Al |
| Tap changer | 5‑step no‑load | Cooling | ONAN/ONAF/KNAN |
| Model Number | ZGS | Certification | ANSI/IEEE |
| Brand Name | HENTG POWER | Place of Origin | Jiangsu, China |
This three-phase pad-mounted transformer is designed for outdoor underground distribution. Available in ratings from 75 to 5000 kVA with primary voltage up to 34.5 kV. Fully ANSI/IEEE compliant with oil-immersed cooling and compact pad-mounted enclosure (NEMA 3R) requiring no extra fencing. Safe, durable, and easy to maintain for residential, commercial, industrial, and renewable energy applications.
| Specification | Details |
|---|---|
| Rating | 75-5000 kVA |
| Primary Voltage | Up to 34.5 kV, BIL up to 200 kV |
| Secondary Voltage | 120-600 V (e.g., 208Y/120, 480Y/277, 600Y/347) |
| Cooling | ONAN/ONAF/KNAN, 65°C rise |
| Core & Windings | Grain-oriented silicon steel core; copper or aluminum windings |
| Fluid Options | Mineral oil or biodegradable FR3 ester |
| Feed Configuration | Radial (standard) or loop (6 HV bushings) |
| Tap Changer | 5-step no-load |
| Enclosure | NEMA 3R, lockable, weatherproof, corrosion-resistant coating available |
| Optional Features | Bayonet fuses, load-break switches, surge arresters, electrostatic shielding, K-factor design |
Calculate total load plus 20% growth. General guide: 75-500 kVA for residential (10-50 homes), 500-2500 kVA for commercial, 1000-5000 kVA for industrial or solar farms. Free load analysis available.
Radial is simpler and lower cost. Loop provides dual-source redundancy, allowing maintenance without outage - recommended for critical loads like hospitals, data centers, and malls.
30-40 years with routine oil testing, visual inspections, and gauge verification. Annual dielectric testing is recommended.
Yes. Lockable enclosures, separate HV/LV compartments, dead-front options, and NEMA 3R weatherproofing meet ANSI safety standards.
Yes. Any primary up to 34.5 kV, secondary 120-600 V, mineral oil or FR3, radial/loop, and full accessory range (fuses, switches, arresters, shielding, K-factor).
ANSI C57.12.00/34/90, IEEE, NEMA, DOE, CSA (optional). UL available. Complete factory test reports provided.
Contact our team today for a customized quote and technical engineering support - fast turnaround, global delivery.
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
300-500MVA
Employee Number:
150~200
Ecer Certification：
Verified Supplier
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