150 kVA 3-Phase Padmount Transformer
A 150 kVA transformer is a versatile choice for small commercial facilities, light industrial operations, renewable energy interconnections, and edge AI infrastructure requiring stable three-phase power. This capacity efficiently supports moderate load demands while allowing room for measured growth without the footprint of larger utility-scale units.
Giga supplies three-phase pad-mount 150 kVA transformers designed for durability, safety, and full IEEE/NEMA compliance. Whether you are replacing aging equipment or planning a new installation, this page outlines typical applications, voltage configurations, and sizing considerations to help streamline your quoting process.
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Applications and common use cases, including AI edge deployments
A 150 kVA transformer is the preferred solution where reliable three-phase power is needed for moderate loads that don’t justify a larger unit footprint.
For organizations expanding distributed computing, a 150 kVA transformer can support localized AI workloads and cooling systems without the need for substation-scale capacity.
If you are comparing multiple options, explore our broader range of three-phase pad-mount transformers to evaluate configuration flexibility.
Primary deployments include:
- Small commercial buildings and retail centers
- Light manufacturing and fabrication shops
- Municipal facilities and water treatment sites
- Multi-tenant office buildings
- EV charging installations
- Edge data centers and AI inference nodes
- Distributed energy resources and solar backfeed systems
Sizing and selection considerations for a 150 kVA transformer
Selecting a 150 kVA transformer requires a detailed evaluation of actual load demand rather than simple panel ratings.
A 150 kVA transformer is typically specified for facilities drawing approximately 100 to 120 kW under typical operating conditions, ensuring reliable capacity headroom. If projected growth exceeds this range, consider stepping up to a 225 kVA pad-mount transformer to avoid future service upgrades. For smaller footprints or tighter budgets, a 112.5 kVA transformer may provide a more efficient solution.
You can also browse transformers by kVA rating to compare capacity options side-by-side.
Key metrics for review include:
- Connected Load: Total kW requirements.
- Operational Profile: Load diversity, duty cycle, and power factor.
- Inrush Capacity: Motor starting current requirements.
- Future-Proofing: Anticipated expansion over 3 to 5 years.
Common voltage configurations for 150 kVA transformers
A 150 kVA transformer is typically specified with medium-voltage primary service and low-voltage secondary distribution.
Voltage selection must align with utility service requirements, downstream panel configuration, and equipment voltage ratings. Custom impedance and tap configurations can be engineered when required for coordination studies or utility compliance.
Common configurations include:
- Primary Voltages: Typically 12.47 kV, 13.2 kV, or 13.8 kV.
- Secondary Voltages: Standard 480Y/277V or 208Y/120V.
- Winding Types: Delta or grounded wye primary to match utility service.
- Design: Oil-filled, liquid-cooled, three-phase pad-mounted construction for outdoor durability.
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Product Details
Specifications
This 150 kVA transformer is a three-phase, oil-filled, pad-mount unit engineered for commercial and light-industrial power distribution. Each unit features a welded steel tank, tamper-resistant cabinet construction, and cooling capacity designed for continuous full-load operation. The design supports standard medium-voltage primary options with common low-voltage secondary outputs for building distribution and AI edge infrastructure.
support
Our technical support team is available by phone, email, and online to assist with sizing, configuration, documentation, and installation planning.
free shipping
Giga offers free shipping within the contiguous United States on in-stock transformers, with most orders processed within 1 to 2 business days. International shipping options are available upon request.
warranty
All Giga transformers are backed by a 3-year warranty, providing confidence in long-term performance and build quality.
Manuals and documentation
Complete submittal drawings, user manuals, and specification sheets are available to support engineering review and installation planning.
Technical specifications
This oil-filled, tamper-resistant pad mount transformer is designed for reliable outdoor operation in commercial applications, with a robust welded steel tank, protective bushings, and an externally operated tap changer for voltage adjustment.
Typical characteristics for a 75 kVA pad-mount transformer include:
Final dimensions, weight, and impedance values vary based on voltage configuration and utility requirements.
Availability and lead time guidance
Availability for a 150 kVA transformer depends on primary voltage, secondary voltage, and utility specifications. Standard commercial configurations may offer accelerated lead times, while custom voltage combinations or impedance requirements typically require additional production time.
For accurate pricing and schedule confirmation, request a quote. Our team will promptly review your project details to confirm availability or build timelines.
FAQs
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What is a 150 kVA transformer used for?
A 150 kVA transformer is standard for small commercial facilities, light industrial sites, municipal buildings, EV charging stations, and distributed AI or edge computing deployments requiring stable three-phase power.
How do I know if a 150 kVA transformer is the right size?
Perform a load calculation considering connected kW, diversity, power factor, and projected expansion. If your calculated demand approaches 120 kW or higher, we recommend evaluating a larger unit to ensure sufficient headroom.
What voltages are available for a 150 kVA transformer?
Typical primary voltages include 12.47 kV, 13.2 kV, and 13.8 kV. Common secondary voltages include 480Y/277V and 208Y/120V, depending on building distribution requirements.
Can a 150 kVA transformer support AI infrastructure?
Yes. A 150 kVA transformer are well-suited for edge AI deployments and localized data processing where total demand, including cooling loads, aligns with the rated capacity.
What is the difference between pad-mount and dry-type transformers?
Pad-mount transformers are outdoor-rated, oil-filled units used primarily for utility-connected distribution. Dry-type transformers are air-cooled and typically installed indoors. Selection is driven by installation environment and code requirements.
What is the typical lead time for a 150 kVA transformer?
Lead times vary based on configuration. While standard voltage combinations may ship faster, custom specifications require additional manufacturing time. Request a quote for the most accurate timeline.
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Related products
Our extensive selection of custom-built solutions and comprehensive inventory ensures that we can provide the ideal equipment to power your projects.
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1000 kVA 3-Phase Padmount Transformer: 13200 GY/ 7620 to 4160 Y/ 2400
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