300 kVA Dry Type Transformer for Indoor & Industrial Use | UL/CSA Certified

300 kVA Dry Type Transformer for Indoor & Industrial Use For Sale

The 300 kVA dry type transformer is specially designed to provide efficient and safe power distribution solutions for indoor commercial and industrial environments. With UL and CSA certification, this dry type transformer guarantees compliance with the highest North American safety and quality standards, making it an ideal choice for industrial plants, office complexes, and critical infrastructure.

This dry type transformer features premium cast resin insulation that ensures superior resistance against moisture, dust, and fire hazards, significantly enhancing operational safety in demanding conditions. The transformer's copper windings and silicon steel core are engineered to minimize energy losses and improve thermal performance, ensuring reliable and long-lasting operation.

Constructed with a robust, corrosion-resistant enclosure rated for indoor installations, the 300 kVA dry type transformer demands minimal upkeep while delivering consistent performance. It fully complies with industry standards such as ANSI, IEEE, UL 1562, CSA C2.1, and CE certification, making it suitable for installation across major markets including the United States, Canada, Germany, France, the United Kingdom, the Netherlands, Spain, and Italy.

Customization options including voltage tap changers, mounting configurations, and cooling systems are available to tailor the 300 kVA dry type transformer to specific project requirements. It is widely utilized in industrial facilities, data centers, healthcare institutions, and renewable energy integration projects throughout North America and Europe.

Energy Transformer is a trusted manufacturer and supplier of 300 kVA dry type transformers, offering factory-direct pricing, flexible OEM/ODM solutions, and reliable supply chains. Our transformers serve a broad clientele ranging from EPC contractors to utilities and commercial developers in the USA, Canada, Germany, France, the UK, Netherlands, Spain, Italy, and beyond.

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300 kVA Dry Type Transformer Technical Specs

No.	Item	Specification	Remarks
1	Power Rating	300 kVA	Available from 15 kVA up to 1500 kVA to meet diverse needs
2	Primary Voltage	12 kV or 13.8 kV (Delta connection)	Customizable up to 35 kV for specific industrial applications
3	Secondary Voltage	480Y/277 V (Wye grounded neutral)	Other configurations include 208Y/120 V, 240/120 V, and 600Y/347 V
4	Phase	Three-phase, 50/60 Hz	Single-phase and other phases available upon request
5	Insulation Type	Cast Resin Dry Type	Eco-friendly, fire-retardant, and maintenance-free
6	Insulation Class	Class F (155°C)	Optional upgrade to Class H (180°C) and beyond
7	Temperature Rise	115°C standard	Custom options for higher temperature rises
8	Cooling Method	Air Natural (AN), Air Forced (AF)	Suitable for indoor and outdoor installations with IP23 option
9	Impedance Voltage	5% to 6.5%	Adjustable based on project requirements
10	Short Circuit Withstand	30-60 seconds	Extended withstand durations available upon request
11	Voltage Taps	±2.5%, ±5%, 3-5 taps	Supports voltage adjustment for grid stability
12	Frequency	50 Hz / 60 Hz	Versions available to accommodate both European and North American grids
13	Insulation Resistance	≥1000 MΩ	Guarantees long-lasting insulation performance
14	Leakage Magnetic Flux	Low leakage design	Minimizes electromagnetic interference in sensitive environments
15	Core Material	Grain-oriented cold-rolled silicon steel	Ensures low no-load losses and high efficiency
16	Winding Material	High-purity oxygen-free copper	Provides excellent conductivity and thermal endurance
17	Enclosure Material	Heavy-duty cold-rolled steel	Corrosion-resistant, dust and rain protection (NEMA 3R rating)
18	Protection Rating	NEMA 3R standard	Optional NEMA 1 or NEMA 12 available for specialized indoor use
19	Operating Temperature Range	-25°C to 45°C	Extended ranges (-40°C to +55°C) for harsh climates available
20	Humidity Adaptability	0% to 95%, non-condensing	Suitable for high humidity and damp environments
21	Noise Level	≤55 dB(A)	Quiet operation designed for commercial and urban settings
22	Approximate Weight	900–1200 kg	Weight varies depending on customization
23	Dimensions (L x W x H)	Approx. 1200 x 900 x 1400 mm	Custom dimensions offered to meet site-specific constraints
24	Standards Compliance	ANSI C57.12, IEEE C57.12.91, UL, CSA, CE	Meets regulatory requirements for North American and European markets
25	Warranty	2 to 5 years	Extended warranty packages available for peace of mind
26	Typical Applications	Commercial buildings, industrial facilities, renewable energy integration, data centers	Suitable for solar farms, wind power projects, manufacturing plants, and utility grids
27	Global Supply & Service	Worldwide shipping and support	Focused distribution in North America (USA, Canada, Mexico) and Europe (Germany, France, UK, Netherlands, Italy)

Load Capacity of 300 kVA Transformer

The 300 kVA dry type transformer is designed to handle a load capacity of approximately 300,000 VA, supporting a wide range of industrial and commercial electrical demands. Depending on the primary and secondary voltage configuration, it can efficiently supply power for medium-sized manufacturing plants, commercial buildings, data centers, and renewable energy projects across North America and Europe. The transformer's robust design ensures stable performance under full load and moderate overload conditions, providing reliable energy distribution.

Price Range of 300 kVA Transformer

The cost of a 300 kVA dry type transformer varies depending on factors such as insulation type, cooling method, enclosure rating, and optional features. Generally, prices range from USD $5,000 to $9,000 for standard UL/CSA certified models suitable for indoor and outdoor use. Custom configurations, special certifications, or premium materials may affect pricing. We offer competitive factory-direct pricing to customers in the USA, Canada, Germany, France, UK, Netherlands, Spain, Italy, and other key markets.

Dimensions of 300 kVA Transformer

Typical dimensions for a 300 kVA dry type transformer range from approximately:

• Length: 1100 – 1300 mm

• Width: 800 – 950 mm

• Height: 1300 – 1600 mm
  Exact measurements depend on the enclosure type (NEMA 1, NEMA 3R, IP23) and cooling system (AN or AF). Compact design ensures easy installation in industrial and commercial facilities with limited space.

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Current Ratings (Amps) for 300 kVA Transformer

The 300 kVA transformer current ratings vary by voltage level:

• At 480 V (secondary), approximate full load current is about 360 amps

• At 600 V, full load current is roughly 288 amps

• Primary side current depends on the rated primary voltage (e.g., 13.8 kV) and connection type
  These ratings are crucial for system design, circuit protection, and load balancing.

Weight of 300 kVA Transformer

The typical weight of a 300 kVA dry type transformer is between 900 kg and 1400 kg. Variations depend on materials used (copper or aluminum windings), enclosure specifications, and cooling options. Our transformers are designed for robust durability while maintaining manageable transport and installation requirements.

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Leading Manufacturers of 300 kVA Dry Type Transformers

Top global manufacturers offering 300 kVA dry type transformers include:

• Siemens (Germany)

• Schneider Electric (France)

• ABB / Hitachi Energy (Switzerland / Japan)

• Eaton (USA)

• ENERGY TRANSFORMER (China) — a trusted supplier with competitive factory-direct pricing, fast delivery, and customization services tailored to North American and European markets.

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Customization Options for 300 kVA Transformer

We provide comprehensive customization including:

• Voltage ratings tailored to your grid needs (e.g., 11 kV, 13.8 kV, 15 kV primary; 480 V, 400 V secondary)

• Cooling methods: Air Natural (AN) or Air Forced (AF)

• Enclosure types: NEMA 1, NEMA 3R, IP23/IP44 for indoor/outdoor

• Vector groups and connection configurations (Delta-Wye, Wye-Wye, Delta-Delta, etc.)

• Special features like seismic resistance, low noise design, smart monitoring interfaces
  Our engineering team works closely with clients to deliver transformers optimized for each application.

Cost Factors for 300 kVA Dry Type Transformers

Key factors influencing the cost include:

• Material choice (copper vs aluminum windings)

• Insulation class and fire-resistance level

• Cooling system complexity and enclosure rating

• Additional accessories and control systems

• Certification requirements (UL, CSA, CE) for specific markets
  Understanding these helps clients select cost-effective solutions matching budget and regulatory needs.

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Factory Visits and Customer Inspections

We warmly invite customers to visit our manufacturing facility to witness the production process of the 300 kVA Dry Type Transformer firsthand. During your visit, you will observe every step from coil winding, resin casting, to final testing, gaining a comprehensive understanding of our strict quality controls and advanced manufacturing techniques. On-site factory inspections provide a transparent view of our craftsmanship and product reliability, building trust and strengthening cooperation. Please schedule your visit in advance so our expert team can provide dedicated support and a smooth, informative experience tailored to your needs.

Delivery Lead Times for 300 kVA Transformers

Standard delivery times for 300 kVA dry type transformers typically range from 4 to 8 weeks, depending on order size, customization, and shipping destination. For customers in North America (USA, Canada) and Europe (Germany, France, UK, Netherlands, Spain, Italy), we maintain ready stock for quick dispatch and offer expedited manufacturing options for urgent projects. Our logistics team coordinates efficient shipping via sea, air, or land transport, ensuring reliable delivery schedules.

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✅ Why Choose Energy 300 kVA Dry Type Transformer – 13.8 kV to 480Y/277V

Energy Transformer's 300 kVA Dry Type Transformer is engineered for safe, efficient, and low-maintenance voltage conversion in indoor commercial, industrial, and utility settings across North America and Europe. It's a top choice for data centers, factories, logistics hubs, and clean energy projects.

🔹 Key Advantages:

Certified for Global Use

Fully compliant with UL, CSA, IEC 60076-11, and CE standards. Ready for use in the U.S., Canada, Germany, UK, France, and more.

Efficient & Reliable Operation

Constructed with copper windings, a low-loss silicon steel core, and natural air cooling (AN) to deliver consistent performance and high energy efficiency.

Compact & Safe

Dry-type epoxy encapsulation eliminates oil, reducing fire risk and maintenance needs. Ideal for installations in schools, hospitals, and indoor power rooms.

Customizable Configurations

Supports Dyn11 and other vector groups; voltage tap settings and smart temperature monitoring optional. Available with IP23 or IP44 enclosures for extra protection.

Fast Delivery

Standard lead time of 3–5 weeks with shipping available to EU and North American ports. DDP and CIF terms supported.

Energy Transformer is your dependable partner for 300 kVA dry type transformer solutions. Whether you're powering a commercial site, EV charging network, or industrial facility, we provide a certified, efficient, and scalable product that's built to last.

📩 Request a quote or datasheet today and streamline your 13.8 kV to 480Y/277V power conversion needs.