500kVA 3 Phase Pad Mounted Transformer Liquid Filled Padmounted Transformers
Leilang Electric 500kVA three phase pad mounted transformer is a high-performance distribution solution designed for utility, commercial, industrial, and residential power systems. This model delivers 30% space saving with its compact, optimized footprint, making installation easier in limited urban and site-constrained areas. Built with high-grade copper windings and low-loss silicon steel core, it features ultra-low no-load and load losses to reduce energy consumption year-round. Combined with robust construction, long service life, minimal maintenance, and high reliability, the unit achieves significantly lower life cycle cost compared with conventional distribution transformers. Fully compliant with North American ANSI/IEEE standards and UL/cUL certified, it supports radial feed and multi-tap voltage regulation for stable, flexible, and economical long-term operation.
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30% Space Saving - Compact Design
Optimized cabinet structure reduces overall dimensions by up to 30%. Ideal for tight urban sites, small pads, sidewalks, and green belts. Simplifies foundation, transportation, and on-site placement. No extra large space required for installation.
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Ultra-Low Loss - Energy Efficient
Low no-load loss: 680W. Low load loss: 5100W. High efficiency under all load conditions. Reduces power waste and monthly electricity expenses.
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Low Life Cycle Cost (LCC)
Energy savings over 25+ years reduce total operating cost. Fully sealed structure minimizes maintenance labor and cost. High reliability lowers failure rate and downtime loss. Long service life reduces replacement frequency.
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UL / ANSI / IEEE Certified Quality
UL/cUL listed for USA & Canada market. Complies with ANSI C57.12.34 and IEEE standards. Radial feed design for stable utility distribution. 65°C temperature rise, ONAN self-cooled.
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Multi-Tap Voltage Regulation
Off-circuit multi-tap adjustment supports wide voltage adaptability. Stable output under grid voltage fluctuations. Suitable for long-distance power supply and complex working conditions.
| Brand | Leilang Electric |
| Type | Three Phase Pad Mounted Transformer |
| Rated Capacity | 500 kVA |
| Primary Voltage | 12870V (12.87kV) |
| Secondary Voltage | 240/120V |
| Frequency | 60 Hz |
| Feed Type | Radial Feed |
| Cooling | ONAN (Self-Cooled) |
| Temperature Rise | 65°C |
| No-Load Loss | 680 W |
| Load Loss | 5100 W |
| Vector Group | Dd0 |
| Winding Material | Copper |
| Core | Grain-Oriented Silicon Steel |
| Insulation Oil | Mineral Oil (Non-PCB) |
| HV BIL | 95 kV |
| LV BIL | 30 kV |
| Certifications | UL/cUL, ANSI C57.12.34, IEEE, CE, ISO |
| Warranty | 24 Months from B/L Date |
| MOQ | 1 Unit |
| Lead Time | 15-25 days |
- Utility power distribution networks
- Commercial buildings, shopping centers, offices
- Industrial plants, workshops, light manufacturing
- Residential communities, underground power supply
- Schools, hospitals, public infrastructure
- Renewable energy stations & energy storage systems
Leilang Electric 500kVA pad mounted transformer uses a compact optimized structure that provides up to 30% space saving, perfect for small installation areas.
It uses high-grade copper windings and low-loss silicon steel core, with only 680W no-load loss and 5100W load loss, greatly reducing energy consumption.
Low energy loss, long service life, minimal maintenance, and high reliability together lower long-term operating and ownership costs.
Yes, it is UL/cUL listed and fully compliant with ANSI C57.12.34 and IEEE standards, legal for use in the US and Canada.
Yes, it is equipped with multi-tap off-circuit voltage regulation to maintain stable output even when grid voltage fluctuates.
This model uses Radial Feed, the most widely used and reliable connection for North American utility distribution systems.
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