Marine Cast Resin Transformers
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Fire-Safe, Maintenance-Free Power Solutions for Marine Applications
Marine environments demand not only electrical reliability but also enhanced fire safety and reduced maintenance requirements. In passenger vessels, naval ships, offshore units, and sensitive onboard areas, dry-type solutions are often preferred over oil-filled systems.
ESTA Marine Cast Resin Transformers are specifically engineered for shipboard and offshore installations where fire safety, compact design, and environmental resistance are critical.
Electrical Scope
Power Range
Up to 5 MVA
Voltage levels
400 V – 11 kV
Frequency
50 Hz / 60 Hz
Insulation class
Class F / Class H
Cooling method
AN / AF
Optional temperature monitoring systems
Custom voltage configurations available.
Why Cast Resin in Marine Applications?
In marine environments, traditional oil-filled transformers may present:
- Fire risk in enclosed spaces
- Leakage concerns
- Maintenance challenges
- Installation restrictions in passenger areas
ESTA Cast Resin Transformers provide:
- Self-extinguishing insulation system
- No oil leakage risk
- Reduced fire load contribution
- Minimal maintenance requirements
- Compact footprint
Applications
Passenger vessels and cruise ships
Naval ships and military vessels
Engine room external areas
Offshore living quarters and control rooms
HVAC and auxiliary systems
Enclosed marine electrical rooms
Marine-Specific Design Features
Structural Strength
- Reinforced winding support system
- Designed for vibration and mechanical stress
Environmental Resistance
- High humidity tolerance
- Anti-condensation winding design
- Corrosion-protected frame structure
Electrical Performance
- Low partial discharge levels
- High short-circuit withstand capability
- Optimized thermal management
- Low acoustic noise emission
Engineering Capability
ESTA provides:
- Custom dimensional design
- Terminal orientation flexibility
- Integrated temperature and protection systems
- Vibration analysis for marine installation
- FAT procedures aligned with shipyard specifications
We engineer each unit according to vessel layout and electrical profile.
Operational Advantages
- Enhanced fire safety
- Oil-free operation
- Reduced maintenance
- Reliable performance in humid environments
- Long service life
- Suitable for passenger and naval vessels
Fire & Safety Compliance
- Self-extinguishing epoxy resin system
- Reduced smoke emission
- Suitable for installation in passenger zones
- Designed in accordance with IEC 60076-11
Marine class approval available upon request.
Installation Advantages
- Compact and lightweight design
- Suitable for confined marine spaces
- Indoor or protected area installation
- Simplified integration into switchboards and control rooms
Why ESTA?
In marine applications, safety and reliability are non-negotiable.
ESTA Marine Cast Resin Transformers combine electrical performance, structural durability, and fire safety compliance to meet the strict requirements of global shipbuilders and offshore operators.