ATEX Cast Resin Transformers
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Oil-Free and Safe Power Solutions for Hazardous Environments
ATEX Cast Resin transformers are dry-type solutions designed for applications where oil-filled equipment is not preferred in hazardous gas or dust environments.
The oil-free construction reduces fire load, eliminates leakage risks, and provides a safe alternative for indoor Zone 2 and Zone 22 installations.
ESTA ATEX Cast Resin Transformers are engineered with controlled surface temperature and full compliance with ATEX and IECEx requirements.
Protection Concept
ATEX Cast Resin solutions are typically applied under:
- Ex e (Increased Safety)
- Ex ec
- Zone 2 / Zone 22
The oil-free design minimizes environmental and operational risks.
Electrical Scope
Power Range
50 kVA – 5 MVA
Voltage Level
400 V – 15 kV
Frequency
50 / 60 Hz
Cooling type
AN / AF
Insulation class
Class F / Class H
Fully engineered-to-order configurations.
Applications
Chemical plants
Petrochemical production areas
Paint and solvent facilities
Gas filling stations
Process industry installations
Offshore indoor modules
Design Features
Oil-Free Construction
- Epoxy cast resin windings
- No leakage risk
- Reduced fire load
Surface Temperature Control
- Designed according to T-class limits
- Verified through thermal analysis
Environmental Durability
- Moisture-resistant construction
- Reinforced corrosion-protected frame
- Suitable for industrial environments
Engineering Capability
ESTA provides:
- Thermal surface analysis
- Insulation coordination
- Zone compliance engineering
- Certification documentation support
Each transformer is custom-designed according to the technical requirements of the installation environment.
Certification & Standards
- ATEX 2014/34/EU
- IECEx
- EN 60079-0
- EN 60079-7
- IEC 60076-11
Certified according to zone classification and temperature class.