HENTG POWER 100kVA 13.8kV/240V Single-Phase Pad Mounted Transformer ONAN – Underground Distribution Transformer for Residential & Commercial Use

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HENTG POWER 100kVA 13.8kV/240V Single-Phase Pad Mounted Transformer ONAN – Underground Distribution Transformer for Residential & Commercial Use

The HENTG POWER 100kVA Single-Phase Pad Mounted Transformer is a high-performance liquid-filled distribution transformer designed for underground power distribution systems in North America and international markets.

This 13.8kV to 240V pad-mounted transformer delivers reliable and efficient power for residential neighborhoods, commercial buildings, light industrial facilities, and utility projects.

Built with a fully sealed tank, dead-front design, and ONAN cooling system, it ensures maximum safety, minimal maintenance, and long service life, even in harsh outdoor environments.

Key Features & Advantages

✔ Single-Phase 13.8kV/240V Transformer (Split Phase Output)
Optimized for North American distribution systems (120/240V), ideal for homes, HVAC, refrigeration, and small commercial loads.
✔ Pad Mounted (Ground-Level Installation)
Safe and compact ground-mounted transformer, perfect for underground cable networks and urban infrastructure.
✔ Dead-Front Design for Maximum Safety
No exposed live parts, ensuring operator safety and public protection, compliant with ANSI/IEEE standards.
✔ Dual Protection System (Bayonet Fuse + Backup Fuse)
Provides overload and short-circuit protection, improving system reliability and reducing downtime.
✔ ONAN Cooling (Oil Natural Air Natural)
Efficient and passive cooling system ensures stable operation without external power, reducing maintenance cost.
✔ High Efficiency & Low Loss Design
Advanced core materials reduce no-load loss and load loss, helping utilities and EPC contractors meet DOE efficiency requirements.
✔ Fully Sealed Tank Design
Prevents oil oxidation and moisture ingress, extending transformer life and ensuring maintenance-free operation.
✔ Flexible Configuration
Supports radial feed and loop feed systems, suitable for modern distribution grids.

Technical Highlights

Rated Capacity: 100kVA
Phase: Single Phase
Primary Voltage: 13.8kV
Secondary Voltage: 240/120V (Split Phase)
Cooling Type: ONAN (Oil Natural Air Natural)
Insulation Medium: Mineral Oil / Optional FR3 Natural Ester
Frequency: 50Hz / 60Hz
Installation: Outdoor Pad Mounted
Standard: ANSI / IEEE / DOE compliant
Protection: Bayonet Fuse + Current Limiting Fuse
Tap Changer: Off-circuit tap changer (optional)

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HENTG POWER 100kVA 13.8kV/240V Single-Phase Pad Mounted Transformer ONAN – Underground Distribution Transformer for Residential & Commercial Use

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HENTG POWER 100kVA 13.8kV/240V Single-Phase Pad Mounted Transformer ONAN – Underground Distribution Transformer for Residential & Commercial Use

HENTG POWER 100kVA 13.8kV/240V Single-Phase Pad Mounted Transformer ONAN – Underground Distribution Transformer for Residential & Commercial Use

HENTG POWER 100kVA 13.8kV/240V Single-Phase Pad Mounted Transformer ONAN – Underground Distribution Transformer for Residential & Commercial Use

100kVA single-phase pad mounted transformer

13.8kV to 240V underground distribution transformer

residential commercial power transformer with warranty

HENTG POWER 100kVA 13.8kV/240V Single-Phase Pad Mounted Transformer ONAN – Underground Distribution Transformer for Residential & Commercial Use