Mobile Transformers

Our mobile transformer solutions feature best-in-class designs with a customer-focused mindset.

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Mobile Substation Capabilities

MVA

TYPEMVA
Mobile Transformer133
Mobile Substations133
Portable Substations100
Voltage Regulator7

TYPEHV kV
Mobile TransformerUp to 345
Mobile & Unitized Substations13.2-345
Portable Substations15-345
Voltage Regulator5-69
Mobile Circuit Protection15-345
HV Circuit Switcher Trailer135
HV Breaker Trailer138
LV Breaker Trailer<230

Mobile Transformers In Action

Emergency Response

Our mobile transformers are an immediate solution even under the most severe circumstances to restore electricity rapidly.

Be Prepared

Our mobile transformers as a part of your asset management strategy will directly support planned substation maintenance.

Start Planning

Our mobile transformers are the ultimate answer to the preservation of system reliability and continuity of service.

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Our Legacy

The power industry throughout North America and around the world has recognized the Delta Star Mobile Transformer for its unparalleled durability and reliability. Our legacy of reliable power, trusted for generations, is driven by innovation.

A Delta Star mobile substation secured to a transport trailer outside the manufacturing facility, photographed from a low angle with the company
A Delta Star mobile substation mounted on a transport trailer in the facility yard, with cooling equipment, electrical connections, and high-voltage components visible.
Close-up view of a Delta Star mobile substation on a transport trailer, featuring electrical components, cooling fans, control cabinets, and high-voltage equipment.
A Delta Star mobile substation on a multi-axle transport trailer outside the manufacturing facility, with electrical components and the Delta Star building visible in the background.
A Delta Star mobile substation secured to a heavy-duty trailer, viewed from the rear with an oversized load sign and electrical equipment visible against a clear blue sky.

Auxiliary Trailers

Distribution to sub-transmission voltage circuit switcher mounted to an auxiliary trailer, capable of rapid deployment.

Cable Reel Trailer

Choose from multiple setup, enclosure, and power options to protect cables when in storage and allow for rapid deployment.

Custom-designed, mobile distribution to sub-transmission trailers capable of supporting multiple manufacturers.

Highly configurable, easy-to-install, engineered for HV and LV systems and available for distribution to sub-transmission voltages up to 230kV.

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