Encapsulated Transformer
GE Transformer Encapsulated Series: Engineered for Extremes
When standard ventilated dry-type transformers fall short in punishing industrial environments, GE Transformer provides the ultimate solution. Our premium encapsulated transformers are engineered to deliver uncompromising physical protection combined with superior electrical isolation.
By vacuum-sealing the core and coil assembly within advanced, high-grade epoxy resin, we create a solid, impenetrable block. This precision potting process completely isolates vital internal components from moisture, corrosive gases, conductive dust, and severe mechanical vibration. Whether deployed in heavy manufacturing, petrochemical plants, or outdoor commercial facilities, GE Transformer ensures your critical power systems remain secure, stable, and maintenance-free.
Core Advantages:
- Total Environmental Sealing: Ruggedized, solid-state construction prevents the ingress of water, salt spray, and industrial contaminants, significantly extending operational lifespan.
- Enhanced Electrical Isolation: Advanced internal design effectively mitigates common-mode noise and voltage spikes, safeguarding your sensitive downstream equipment and personnel.
- Superior Thermal Performance: Our specialized potting compound facilitates highly efficient heat dissipation, eliminating hot spots and ensuring consistent output even under heavy, continuous loads.
Encapsulated Transformer
Custom Engineering & Integrated Solutions
I. Core Engineering Specifications (Standard & Tailored)
Define the foundation of your power solution with our precise manufacturing capabilities.
Broad Capacity Range: Single-phase units from 3kVA to 500kVA; Three-phase units from 5kVA to 3000kVA to support everything from precision control circuits to major industrial facility power.
Winding Material Mastery: Choose between Premium Copper for maximum efficiency and compact footprints, or High-Grade Aluminum for cost-effective, long-term operational performance.
Insulation Systems: Thermal classes (Class B, F, or H) matched exactly to your ambient temperature and load duty cycle to ensure maximum transformer longevity.
Voltage Flexibility: Fully configurable primary and secondary voltages to integrate seamlessly with any international power grid or specific equipment requirements.
Frequency Precision: Dual-rated 50/60Hz designs available for global machinery compatibility.
II. Environmental & Structural Hardening
Built to withstand the toughest conditions on earth.
Robust Enclosures: Heavy-duty Cold-Rolled Steel for standard durability or Premium 304/316L Stainless Steel for elite corrosion resistance in marine, chemical, and outdoor environments.
Custom Aesthetics & Protection: Fully customizable RAL color matching to align with your facility’s safety standards, alongside IP-rated enclosures up to IP65 for complete water and dust ingress protection.
III. Advanced Integration & Accessory Options
Add functionality directly at the source to simplify your installation.
Power Control & Protection: Pre-integrated Circuit Breakers, AC Contactors, Fuses, and Leakage Protection devices, reducing your field wiring and panel assembly time.
Harmonic & Noise Mitigation: Custom K-Factor designs (K-4, K-13, K-20) to handle non-linear load stress; integrated Electrostatic Shielding and Surge Protection Devices (SPD) to ensure “clean” power for sensitive electronics.
Real-time Monitoring: Embedded thermal sensors and thermostats for automated cooling management and system health monitoring.
Enhanced Mobility: Factory-fitted heavy-duty caster wheels for applications requiring modular or portable power solutions.
Encapsulated Transformer Specifications
| Capacity | Single Phase: 3 to 500kVA Three Phase: 5 to 3000kVA |
| Primary Voltage | 800V, 690V, 660V, 600V, 480V, 440V, 415V, 380V, 240V (Customizable) |
| Secondary Voltage | 800V, 660V, 600V, 480V, 440V, 415V, 380V, 240V, 120V, 110V (Customizable) |
| Encapsulation Material | High-Grade Epoxy Resin |
| Winding Material | Copper or aluminum |
| Frequency | 60Hz (50/60Hz Optional) |
| Connection Type | Dyn11/Yyn0 or others |
| Temperature Rise | ≤115° Other temperature rise options are customizable |
| Insulation | Class F or Class H |
| Cooling Method | ANAN (Natural Air) / ANAF (Forced Air with customizable fans) |
| Efficiency (%) | ≥98% |
| Noise level (dB) | ≤45db |
| Voltage drop | <3% |
| Harmonic Handling | Suitable for non-linear loads (K-factor design available, e.g., K4, K13, K20) |
| Shielding | Electrostatic Shield (optional) |
| Enclosure Material | cold-rolled steel or stainless steel options |
| Enclosure Protection Rating | Protection rating up to IP65; colors and materials are customizable |
| Optional Accessories | Circuit breaker, AC contactor, Thermostat, Output leakage protection, Fuse, Inverter or others |
| Warranty | Typically one year, depending on the client’s specific needs |
| Standards | IEC, CE, UL, CSA, IEEE C57.110 |
| Minimum Order Quantity | ≥1 set |
| Packaging Details | International standard wooden crate or as per actual shipping requirements |
| Delivery Time | Generally 5-10 days, depending on order quantity |
Industry Applications: Built for the World’s Toughest Jobs
Marine & Offshore Platforms
Challenge: Persistent salt spray, high humidity, and intense mechanical vibration.
Solution: Epoxy-potted cores and stainless steel enclosures provide total immunity to saltwater corrosion and ensure structural integrity in rough seas.
Mining & Mineral Processing
Challenge: High concentrations of conductive dust, heavy mechanical shock, and temperature fluctuations.
Solution: Solid-state, vibration-proof construction prevents mechanical wear, while the fully sealed design eliminates dust ingress into windings.
Petrochemical & Chemical Plants
Challenge: Exposure to harsh chemical vapors, corrosive fumes, and volatile atmospheric conditions.
Solution: Specialized chemically resistant potting compounds offer superior dielectric strength and safety in highly demanding industrial atmospheres.
Water & Wastewater Management
Challenge: Chronic moisture, heavy condensation, and exposure to chemical cleaning agents.
Solution: IP65/IP66 rated sealing prevents short circuits caused by water ingress, ensuring long-term operational uptime in wet environments.
Food & Beverage / Pharmaceutical
Challenge: Strict sanitation protocols requiring frequent high-pressure washdowns and chemical sterilization.
Solution: Our encapsulated design allows for high-pressure cleaning without the risk of water damage, meeting hygiene standards for clean-room power distribution.
Outdoor Infrastructure & Utilities
Challenge: Unpredictable weather—from scorching heat to freezing temperatures and heavy rain.
Solution: Ruggedized NEMA 3R/4X enclosures ensure seamless power distribution regardless of external climate or exposure.
Why Choose GE Transformer
Quality Control: Quality is a core value of GE Transformer. We conduct Factory Acceptance Testing (FAT), type testing, and third-party inspections to ensure superior quality. We strictly adhere to the ISO 9001 quality management system, committed to providing our customers with the highest quality products.
Professional Team: Our team comprises highly skilled professionals dedicated to responding quickly to customer needs. All GE Transformer team members receive systematic training and continuously improve their capabilities through rigorous quality standards and practices. Our commitment to customer service, product innovation, engineering excellence, and social and environmental responsibility makes us a trusted partner in the global power industry.
Certifications
- ISO9001：2015
- CE Certifications:
- UL Certifications:
- CSA Certification:
- CNAS Certification:
Competitive Market Pricing:Leveraging years of industry experience, GE Transformer integrates high-quality resources across R&D, production, procurement, transportation, and service, achieving effective cost control.
Fast Delivery: Strong production capacity, multiple freight partners, and a professional pre-sales and after-sales team, adhering to the “customer first” philosophy, provide customers with fast delivery and usage services.
FAQ
1. What is the primary advantage of an encapsulated transformer over a standard ventilated dry-type unit?
Encapsulated transformers are engineered for “set-it-and-forget-it” performance in harsh industrial environments. Unlike ventilated units that rely on airflow—making them vulnerable to dust, moisture, and corrosive contaminants—our encapsulated units are vacuum-sealed in high-grade epoxy resin. This design prevents the ingress of pollutants, eliminates the need for internal cleaning, and provides superior resistance to mechanical vibration and shock.
2. Can GE Transformer customize the voltage and kVA ratings for my specific site requirements?
Yes. Custom engineering is the cornerstone of our service. Whether you have a non-standard grid voltage or specific load requirements that fall outside typical catalogue ranges, our engineering team can design and build a transformer to your exact specifications. Please [contact our engineering team] with your single-line diagram or technical requirements for a tailored solution.
3. Do these transformers require frequent maintenance?
One of the key benefits of our encapsulated design is its low-maintenance nature. Because internal components are sealed within a solid potting compound, there are no air filters to change and no risk of dust accumulation on the windings. A simple periodic visual inspection of the enclosure and terminal connections is usually all that is required, significantly lowering your facility’s long-term operational costs.
4. How do I know which NEMA or IP rating I need for my application?
Selecting the correct enclosure is critical for equipment longevity. As a general rule:
NEMA 3R/IP54 is suitable for basic outdoor protection (rain/sleet).
NEMA 4/4X/IP65 is required for harsh environments involving direct washdowns, salt spray, or corrosive chemical exposure.
If you are unsure of the rating required for your specific site, our technical support team is available to assist you in selecting the most cost-effective and compliant solution.
5. Are GE Transformer encapsulated units compliant with international safety standards?
Absolutely. Quality and safety are our non-negotiables. All our encapsulated transformers are manufactured to meet or exceed rigorous international standards, including UL 1561/5085, CSA C22.2, CE (IEC 61558-1), and DOE 2016 efficiency requirements. We provide comprehensive compliance documentation with every unit, ensuring seamless integration into your project.
6. How does the encapsulation process affect the transformer's ability to handle vibration?
In high-vibration settings—such as near heavy machinery, on marine vessels, or in seismic zones—internal movement can lead to mechanical wear and short circuits. Our solid-state encapsulation completely locks the coil assembly in place. By eliminating internal movement, GE Transformer units provide exceptional structural integrity, ensuring stable output and preventing component failure in even the most punishing mechanical environments.