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45kVA Single Phase Pad Mounted Transformer 4160Y 2400V Delta Primary 240 120V Secondary
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45kVA Single Phase Pad Mounted Transformer 4160Y 2400V Delta Primary 240 120V Secondary
| MOQ: | 1unit |
| Price: | $1000-$10000 |
| Standard Packaging: | 1000set/month |
| Delivery Period: | 30days |
| Payment Method: | T/T |
| Supply Capacity: | Plywood case |
Detail Information
Place of Origin
CHINA
Brand Name
Leilang Electric
Certification
UL/CUL,ISO
Model Number
ZGD-45
Capacity:
45 KVA
Primary Voltage:
4160Y/2400 V
Secondary Voltage:
240/120V
Phase:
Single Phase
Frequency:
60 Hz
Temperature Rise:
65°C
Insulation Rating:
Class E Insulation - 120°C, 248°F
Sound Level:
51 DBA
Highlight:
Single Phase Pad Mounted Transformer
,4160Y Single Phase Pad Mounted Transformer
,2400V pad mounted electrical transformer
Product Description
45 KVA Single Phase Pad-mounted Transformer 4160Y/2400 Primary 240/120V Secondary
Designed by Leilang Electric, a Shanghai-based original transformer factory established in 2007 with profound R&D and production expertise, our Oil-Immersed Pad Mount Transformers are built for versatility, spanning 10KVA to 5MVA with a maximum voltage of 35KV. Fully customizable and supported by our professional power solutions, these DOE-compliant units, certified to UL, ISO standards, and aligned with IEEE/ANSI guidelines, excel in solar/wind energy integration, energy storage, utility grids, and commercial/residential power distribution, ensuring stable performance in harsh environments.
Product Overview
The 45 KVA Single Phase Pad-mounted Transformer is a high-capacity, industry-compliant power distribution solution, specifically engineered for 4160Y/2400V Delta Primary and 240/120V Secondary output. This unit is tailored for medium-load applications that require stable voltage transformation from medium-voltage grids. Unlike smaller-capacity transformers, this 45 KVA unit is designed to handle higher power demands while maintaining exceptional efficiency and reliability, adhering to ANSI, IEEE, NEMA, and DOE 2016 efficiency standards.
It features premium non-PCB mineral oil insulation (compliant with ASTM D3487) and an ONAN (Oil Natural, Air Natural) cooling system, ensuring efficient heat dissipation and long-term durability without the need for external fans or pumps. The transformer is enclosed in a heavy-duty, weatherproof NEMA 3R cabinet with a corrosion-resistant epoxy coating, protecting internal components from harsh outdoor conditions, moisture, and unauthorized access.
General Technical Parameters
| Product Type | Single Phase Pad-Mounted Transformer |
|---|---|
| Capacity | 5kVA to 5000kVA |
| Primary Voltage | Up to 35KV (Customizable) |
| Secondary Voltage | Up to 35KV (Customizable) |
| Core Material | Cold-Rolled Grain-Oriented Silicon Steel (CRGO) |
| Winding Material | Copper (Cu) / Aluminum (Al) / (Customizable) |
| Connection Type | Primary: Delta (Δ) / Grounded Wye (Yg); Secondary: Wye (Y) / Delta (Δ) / Grounded (G) / (Customizable) |
| Frequency | 50Hz / 60Hz / (Customizable) |
| Voltage Regulation | ≤ 2.5% (At Rated Load, Cosφ=0.8) |
| Efficiency | ≥ 95% (At Rated Load); ≥ 94% (At 50% Load) |
| Insulation Class | ANSI/IEEE: 65°C Rise (Standard); 55°C / 75°C Rise/ (Customizable); IEC: F Class / H Class |
| Enclosure Material | Galvanized Steel / Aluminum Alloy, Weather-Resistant, Corrosion-Proof, / (Customizable) |
| Cooling Method | Natural Cooling (ONAN) |
| Protection Devices | Overload Protection, Short Circuit Protection, Insulation Monitoring, Lightning Protection (Optional) |
| Operating Temperature Range | -40°C ~ +55°C |
| Service Life | ≥ 30 Years |
| Installation | Outdoor Pad-Mounted (Concrete Pad / Steel Pad) |
| Certifications | ISO9001, CE, UL, CSA, IEC, (Based on Customer Requirements) |
| Standards Compliance | ANSI/IEEE C57.12.20, ANSI/IEEE C57.12.00, IEC 60076, (Customizable) |
Product parameters and images are for general reference only and may not reflect all details of your custom configuration, due to custom builds and minor variations between standard models. Precise specifications for your order are detailed in the specification table and supporting technical documents (CAD files, dimensional drawings, wiring diagrams, etc.). Specific details may differ from images. Please review all specifications and technical documents before ordering; do not rely solely on product images. We offer custom-built units with lead times nearly as fast as prebuilt models --contact us for your specific requirements.
Key Features
- High-Capacity Delta Primary Configuration: 4160Y/2400V Delta Primary is optimized for medium-voltage grids, offering superior load-carrying capacity (45 KVA) and voltage stability compared to smaller transformers. The Delta connection provides robust fault tolerance, reducing voltage drop during peak loads.
- Premium Insulation & Efficient Cooling: Non-PCB mineral oil (ASTM D3487 compliant) delivers exceptional dielectric strength to prevent arcing, while the ONAN natural cooling system relies on convection for heat dissipation—eliminating moving parts and reducing failure points.
- Heavy-Duty Outdoor Construction: NEMA 3R weatherproof cabinet (mild steel with epoxy coating) is built to withstand extreme temperatures (-40℃ to +60℃), humidity, and environmental debris. Features pad-lockable doors for security and lifting lugs for easy installation.
- Industry-Leading Compliance & Safety: Meets ANSI/IEEE C57.12.00, NEMA TP-1, and DOE 2016 efficiency standards, with UL/CSA certification for North American markets. Boasts a primary BIL of 60 kV and secondary BIL of 30 kV for robust surge protection.
- Universal Secondary Compatibility: 240/120V split-phase Secondary supports both 120V household appliances and 240V heavy-duty equipment, making it versatile for mixed-load applications. Tin-plated copper terminals ensure secure connections.
Applications
- Medium-Sized Commercial Buildings: Powers retail plazas, office parks, restaurants, and small industrial facilities, accommodating heavy loads such as HVAC systems, commercial refrigeration, and power tools.
- Residential Complexes: Supplies power to multi-family apartments, townhouse communities, and large single-family estates, delivering consistent voltage for multiple households and shared amenities.
- Utility Grid Expansion & Upgrades: Ideal for replacing aging transformers in medium-voltage grids or expanding distribution networks to support growing power demands in suburban and semi-urban areas.
- Light Industrial Applications: Supports small manufacturing facilities, workshops, and industrial parks, handling the higher power requirements of machinery, compressors, and production equipment.
- Public Infrastructure: Powers municipal facilities, parks, sports complexes, and emergency services buildings, ensuring reliable power for critical operations and public amenities.
Frequently Asked Questions
What advantages does the 4160Y/2400V Delta Primary offer over Wye Primary configurations for this 45 KVA transformer?
The Delta Primary (4160Y/2400V) provides superior load-carrying capacity and fault tolerance—critical for a 45 KVA transformer handling medium to heavy loads. Unlike Wye configurations, Delta connections allow for unbalanced load distribution without voltage distortion, making it ideal for commercial/industrial applications with varying power demands. It also simplifies grounding and fault isolation, reducing downtime during grid issues.
Can this 45 KVA transformer handle continuous full-load operation, and what is its efficiency rating?
Yes, it is engineered for continuous full-load operation (45 KVA) with a DOE 2016-compliant efficiency rating of 99.0% at full load and 98.8% at 50% load. Its ONAN cooling system efficiently dissipates heat generated during continuous use, preventing overheating and ensuring long-term reliability—making it suitable for applications requiring 24/7 power delivery.
What is the difference between this 45 KVA unit and smaller pad-mounted transformers (e.g., 10 KVA) in terms of installation and maintenance?
While installation is similar (concrete pad mounting), the 45 KVA unit requires a larger pad size (typically 4'x6') to support its heavier weight. Maintenance remains minimal but includes semi-annual oil sampling (vs. annual for smaller units) to monitor dielectric strength, due to its higher capacity. The sealed design still eliminates the need for frequent service, with only visual inspections and oil level checks required monthly.
Is this transformer compatible with renewable energy systems (e.g., solar, wind) for grid integration?
Yes. It is designed to integrate with renewable energy systems, serving as a step-down transformer to convert medium-voltage power from solar/wind inverters to 240/120V usable power. Its Delta Primary configuration supports stable grid interconnection, while its high efficiency minimizes energy loss during power conversion—aligning with sustainable energy standards.
What environmental regulations does this transformer comply with, particularly regarding mineral oil?
The transformer uses non-PCB mineral oil that complies with ASTM D3487 and EPA regulations (40 CFR Part 761), ensuring it is safe for outdoor installation and disposal. It is also RoHS-compliant, with no hazardous materials, and its sealed oil tank prevents leaks that could harm the environment—meeting global environmental standards for power equipment.
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