75 kVA 3-Phase Padmount Transformer
A 75 kVA transformer is commonly used in small commercial facilities, light industrial applications, and distributed infrastructure where dependable three-phase power is required at a modest load level. This capacity is ideal for localized distribution panels, equipment clusters, and edge deployments supporting retail, healthcare, or small-scale data environments.
Giga supplies three-phase pad-mount transformers engineered for safe utility interfacing, long service life, and full IEEE/NEMA compliance. Whether you are installing new service, upgrading aging equipment, or supporting edge AI and automation systems, this page outlines the applications and voltage configurations needed to streamline your quote process.
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Applications and common use cases for a 75 kVA transformer
A 75 kVA transformer is the standard choice where power demand exceeds small single-phase systems but stays below mid-sized commercial requirements.
In distributed AI or automation environments, 75 kVA transformers support localized compute nodes, control systems, and cooling equipment without the need for oversized infrastructure. These units are preferred where footprint, cost control, and utility coordination are primary concerns.
As part of our broader three-phase pad-mount transformers portfolio, this capacity provides reliable outdoor distribution for smaller, mission-critical loads.
Typical deployments include:
- Small commercial buildings and retail locations
- Restaurants and light service facilities
- Small medical or dental offices
- Equipment clusters in warehouses
- Edge AI cabinets and localized server rooms
- Agricultural and municipal installations
Sizing and selection considerations
Selecting a 75 kVA transformer hinges on accurate load calculation and planned future growth.
If your projected load approaches 70 kVA or higher with significant growth expected, we recommend evaluating a 150 kVA pad-mount transformer to prevent premature upgrades. Conversely, for smaller installations, ensure single-phase service cannot meet your needs before specifying three-phase equipment.
You can also browse our full range of transformers by kVA rating to compare adjacent capacities and avoid under- or over-sizing.
This capacity is ideal when:
- Calculated load ranges from 50 to 65 kVA, allowing for modest expansion.
- Three-phase service is mandatory for equipment or balanced distribution.
- Motor loads are present but have limited inrush requirements.
- Utility compliance requires outdoor, pad-mounted construction.
Common voltage configurations
Most 75 kVA transformers in commercial settings are specified with medium-voltage primaries stepped down to common utilization voltages.
Custom taps and impedance values can be specified to align with local utility interconnect requirements. These units are engineered for safe outdoor installation and seamless integration into campus or distributed electrical systems.
Standard configurations include:
- Primary Voltages: Typically 12.47 kV or 13.2 kV.
- Secondary Voltages: Commonly 480Y/277V or 208Y/120V.
- Winding Configurations: Grounded wye or delta to match site grounding requirements.
- Construction: Oil-filled, dead-front pad-mounted design for enhanced safety.
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Product Details
Specifications
This 75 kVA transformer is a three-phase, oil-filled pad-mount unit designed for small commercial and light industrial distribution. Each unit features a bolted or welded steel tank, tamper-resistant cabinet design, and cooling capacity rated for continuous operation within its load class. Multiple primary voltage options and standard secondary configurations are available to ensure seamless integration with utility service and building distribution requirements.
support
Our technical support team is available by phone and email to assist with load validation, voltage selection, documentation, and utility coordination throughout your project.
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, supporting long-term reliability and performance.
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 75 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
Find answers to frequently asked questions about our site origination and development services.
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What is a 75 kVA transformer used for?
A 75 kVA transformer is standard for small commercial buildings, light industrial facilities, and distributed infrastructure where three-phase power is required for moderate loads. This includes HVAC equipment, lighting panels, or localized automation systems.
How do I know if a 75 kVA transformer is large enough?
If your calculated demand is under 65 kVA with minimal growth expected, a 75 kVA transformer typically provides appropriate capacity. Your load studies should account for motor inrush and any anticipated expansion.
What voltages are available for a 75 kVA transformer?
Common primary voltages include 12.47 kV and 13.2 kV. Secondary voltages typically include 480Y/277V and 208Y/120V, depending on facility requirements.
Can a 75 kVA transformer support small data or AI edge deployments?
Yes. A 75 kVA transformer is well-suited for localized server racks, edge AI cabinets, networking equipment, and associated cooling loads in distributed environments.
What is the lead time for a 75 kVA pad-mount transformer?
Lead times vary by voltage configuration and customization. While standard designs may ship sooner, custom specifications require additional manufacturing time. Requesting a quote provides 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.
150 kVA 3-Phase Padmount Transformer: 4160 D to 208 Y/ 120
75 kVA 3-Phase Padmount Transformer: 34500 GY/ 19920 to 480 Y/ 277
75 kVA 3-Phase Padmount Transformer: 4160 D to 208 Y/ 120
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