24940GrdY 14400 Single Phase Pad Mounted Residential Transformer IEEE C57
Leilang Electric 10 kVA single-phase pad-mounted transformer is a utility-grade power distribution solution engineered exclusively for North American markets, delivering industry-leading safety, energy efficiency and reliability. Designed to step down 24940GrdY/14400V primary voltage to standard 120/240V secondary power, this unit features an ultra-low no-load loss of only 47W and a fully enclosed dead-front construction that eliminates all exposed live parts, ensuring zero electrocution risk in public areas.
Fully certified to UL/cUL standards and compliant with ANSI/IEEE C57, CSA and DOE 2016 efficiency requirements, it achieves an impressive 98.3% overall efficiency, significantly reducing long-term energy costs. Built with high-purity copper windings and a robust compartmental-type II steel enclosure, it provides maintenance-free operation for over 20 years in extreme outdoor conditions. Ideal for residential neighborhoods, light commercial facilities and rural electrification projects, it offers fast ground-level installation without the need for dedicated substations or high-altitude maintenance.

| Rated Capacity (kVA) |
High voltage (kV) |
No Load Loss (W) |
On load Loss (W) |
Height (mm) |
Depth (mm) |
Width (mm) |
Weight (kg) |
| 15 kVA | 34.5/19.92 13.8/7.96 13.2/7.6 12.47/7.2 or others |
50 | 195 | 840 | 740 | 610 | 294 |
| 25 kVA | 80 | 290 | 840 | 740 | 610 | 362 | |
| 37.5 kVA | 106 | 360 | 840 | 760 | 610 | 476 | |
| 50kVA | 135 | 500 | 840 | 810 | 610 | 553 | |
| 75 kVA | 190 | 650 | 840 | 860 | 610 | 672 | |
| 100 kVA | 280 | 1010 | 910 | 1200 | 965 | 714 | |
| 167 kVA | 435 | 1530 | 1000 | 1200 | 965 | 913 | |
| 250 kVA | 550 | 2230 | 1250 | 1300 | 1430 | 1106 |
- Dead-front construction: All high-voltage components are completely sealed within a steel cabinet, eliminating any exposed live parts
- Tamper-proof locking system: Prevents unauthorized access and vandalism in public spaces
- Multi-layer protection: Integrated pressure relief valve, bayonet expulsion fuses and surge arresters for fail-safe operation
- IP54 weatherproof rating: Withstands rain, snow, dust and extreme temperature fluctuations
- Industry-leading 47W no-load loss: 15% lower than standard equivalents, cutting idle energy consumption
- 98.3% overall efficiency: Meets and exceeds DOE 2016 mandatory efficiency standards
- Grain-oriented silicon steel core: Minimizes core losses and reduces operating temperatures
- Long-term energy savings: Pays for itself in reduced electricity bills over its 20+ year lifespan
- UL/cUL listed: Third-party tested and certified for safety and performance
- ANSI/IEEE C57 compliant: Built to North American utility industry standards
- CSA approved: Suitable for installation across Canada and the United States
- DOE 2016 certified: Meets the latest federal energy efficiency requirements
- 100% copper windings: Superior conductivity and corrosion resistance compared to aluminum
- Galvanized steel enclosure: Rust-proof and corrosion-resistant for outdoor use
- KNAN self-cooling system: No moving parts, eliminating fan maintenance
- Ground-level accessibility: All components can be serviced from the ground without aerial equipment
- Factory pre-wired and tested: Ready for immediate connection on-site
- Compact pad-mounted design: Requires minimal space and no dedicated substation building
- 5-position tap changer: Allows voltage adjustment to compensate for line voltage variations
- Loop feed configuration: Supports both radial and loop distribution networks
- Residential neighborhoods and housing developments
- Light commercial facilities: convenience stores, small offices, retail shops
- Rural electrification and farm service
- Street lighting and traffic signal systems
- Underground utility distribution networks
- Renovation and expansion projects requiring compliant power solutions


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