The 300kVA dry-type marine waterproof transformer 380V to 690V is a premium step-up transformer designed for shipboard, offshore, and marine industrial power distribution systems. Built to withstand harsh marine conditions, it combines safety, durability, and high efficiency, making it ideal for commercial vessels, naval ships, offshore platforms, ports, and shipyards. Its dry-type, oil-free, waterproof design, along with a corrosion-resistant marine-grade enclosure, ensures long-term stable operation with minimal maintenance requirements.
PowerNex, a leading marine transformer manufacturer, supplier, and wholesale factory, provides factory-direct pricing and global supply to B2B customers in the USA, Canada, Australia, Brazil, Argentina, Mexico, Guyana, Malaysia, Indonesia, Saudi Arabia, UAE, the UK, Germany, France, Spain, Italy, South Africa, and other international markets. OEM and ODM customization is fully supported, allowing clients to select primary and secondary voltages, power capacities, connection types, and enclosure designs according to project specifications. This transformer is certified under IEC, ANSI, IEEE, CE, UL, cUL, CSA, and major marine class societies including ABS, DNV, LR, BV, CCS, NK, RINA, KR, ensuring worldwide regulatory compliance.
300kVA Dry Type Marine Waterproof Transformer Key Features
-
Marine-Grade Construction: Designed for high humidity, salt spray, vibration, and temperature variations on ships and offshore platforms.
-
Dry-Type & Oil-Free: Environmentally safe, fire-resistant, and low-maintenance, suitable for confined shipboard and offshore spaces.
-
Waterproof Enclosure: IP-rated, corrosion-resistant housing protects against moisture, splashes, and marine conditions.
-
Step-Up Transformer: Efficient voltage conversion for shipboard, offshore, and marine industrial power networks.
-
Custom Voltage & Capacity: Primary voltages from 380V–690V, secondary voltages configurable; capacities from 30kVA, 50kVA, 75KVA, 100kVA, 200kVA, 300kVA up to 500kVA+.
-
Flexible Connection Options: Delta–Wye, Wye–Wye, Delta–Delta; optional single-phase outputs available for specialized applications.
-
Class Society Certifications: ABS, DNV, LR, BV, CCS, NK, RINA, KR.
-
B2B Ready Supply & Wholesale Pricing: Factory-direct supply, OEM/ODM customization, and global shipping.
300kVA Dry Type Marine Waterproof Transformer Technical Specifications
| Parameter | Specification |
|---|---|
| Power Rating | 300kVA (custom capacities 30kVA–500kVA+) |
| Type | Dry-Type Marine Waterproof Step-Up Transformer |
| Primary Voltage | 380V / 400V / 415V / 440V AC (optional 380V–690V) |
| Secondary Voltage | 220V / 230V / 240V / 380V / 400V AC (Wye or Delta output; customizable) |
| Phase | Three-Phase (Delta–Wye, Wye–Wye, Delta–Delta; optional single-phase) |
| Frequency | 50/60 Hz |
| Cooling Method | Air Natural (AN), dry-type, oil-free |
| Insulation | Marine-grade epoxy resin, corrosion-resistant |
| Enclosure | IP-rated, NEMA 1 indoor / NEMA 3R outdoor optional |
| Standards Compliance | IEC 60076, ANSI, IEEE C57.12, CE, UL, cUL, CSA |
| Class Society Compliance | ABS, DNV, LR, BV, CCS, NK, RINA, KR |
| Mounting | Floor-mounted, deck-mounted, custom options available |
| Environmental Protection | Waterproof, corrosion-resistant, suitable for marine conditions |
| Global Supply | USA, Canada, Australia, Brazil, Argentina, Mexico, Guyana, Malaysia, Indonesia, Saudi Arabia, UAE, UK, Germany, France, Spain, Italy, South Africa |
| OEM/ODM Options | Fully customizable voltage, capacity, enclosure, and connection |
Materials & Construction
PowerNex transformers are manufactured using high-quality, marine-grade materials:
-
Core Material: Low-loss silicon steel for efficient magnetic flux conduction.
-
Winding Material: Electrolytic copper windings with high-temperature, marine-grade insulation for minimal energy loss.
-
Insulation System: Epoxy resin and marine-grade insulation tapes resist humidity, vibration, and salt spray.
-
Enclosure: IP-rated, epoxy-coated, corrosion-resistant steel suitable for indoor/outdoor deployment.
-
Cooling System: Air Natural (AN) with optimized airflow channels for safe, low-maintenance operation.
These materials ensure long service life, reliable performance, and compliance with marine safety standards.
Testing & Quality Assurance
Each PowerNex 300kVA marine transformer undergoes rigorous testing:
-
Routine Tests: Voltage ratio, winding resistance, insulation resistance, no-load and load losses.
-
Type Tests: Temperature rise, short-circuit withstand, and dielectric strength tests.
-
Environmental Testing: Salt spray, humidity, vibration, and thermal shock tests.
-
Class Society Certification Tests: ABS, DNV, LR, BV, CCS, NK, RINA, KR compliant testing.
-
Factory Acceptance Test (FAT): Documentation and onsite inspection available for B2B procurement.
These quality measures ensure reliable operation under extreme marine conditions and global regulatory compliance.
Maintenance & Lifespan
-
Minimal Maintenance: Dry-type, oil-free design reduces the need for routine maintenance.
-
Inspection Schedule: Regular visual inspection, insulation testing, and temperature monitoring recommended.
-
Expected Lifespan: 20–25 years under normal marine operating conditions.
-
Spare Parts Support: Global availability of OEM components for rapid replacement and service.
Transportation & Installation
-
Shipping: Available for worldwide export via containerized or specialized cargo transport.
-
Packaging: Waterproof and corrosion-resistant packaging ensures safe delivery.
-
Installation Guidelines: Detailed installation manuals for deck, engine room, and offshore platforms.
-
Onsite Support: Technical assistance available for B2B clients during installation and commissioning.
Frequently Asked Questions (FAQ)
Q1: Can the transformer be customized for specific shipboard systems?
A: Yes, voltage, capacity, connection type, enclosure, and mounting options are fully customizable.
Q2: What marine class societies are supported?
A: ABS, DNV, LR, BV, CCS, NK, RINA, KR. Documentation provided upon request.
Q3: What power capacities are available?
A: Standard 30kVA, 50kVA, 100kVA, 200kVA, 300kVA, 500kVA+, with custom designs supported.
Q4: Is it safe for indoor shipboard spaces?
A: Yes, oil-free, dry-type design eliminates fire hazards and environmental risks.
Q5: Which countries do you supply?
A: Global supply: USA, Canada, Australia, Brazil, Argentina, Mexico, Guyana, Malaysia, Indonesia, Saudi Arabia, UAE, UK, Germany, France, Spain, Italy, South Africa, and more.
Q6: What is the expected operational lifespan?
A: Typically 20–25 years under normal marine operating conditions.
Case Studies & Client References
PowerNex has supplied marine transformers to:
-
Commercial Ferries in Australia – Reliable step-up transformers for onboard lighting and propulsion systems.
-
Offshore Oil Platforms in Brazil – Waterproof dry-type transformers with Class Society certification for continuous operation.
-
Naval Vessels in Europe – Isolation and step-up transformers supporting sensitive onboard electronics.
-
Ports and Marine Industrial Facilities in Asia-Pacific – Stable power distribution for dockside cranes and machinery.
These examples demonstrate PowerNex’s global reach, proven reliability, and B2B suitability.
Why Choose PowerNex?
-
Trusted Marine Transformer Manufacturer: Years of experience delivering marine-grade solutions worldwide.
-
Global B2B Supply & Wholesale Pricing: Factory-direct, scalable solutions for shipbuilders, offshore contractors, and marine EPC projects.
-
Customizable Solutions: Voltage, power rating, connection type, enclosure, and frequency fully adaptable.
-
International & Class Society Certifications: IEC, ANSI, IEEE, CE, UL, cUL, CSA, SGS, ABS, DNV, LR, BV, CCS, NK, RINA, KR.
-
Durable Materials & Reliable Performance: Marine-grade construction ensures long-term operation.
-
After-Sales & Technical Support: Installation guidance, maintenance instructions, and technical consultation worldwide.
Contact PowerNex today to order the 300kVA dry-type marine waterproof step-up transformer 380V to 690V at factory wholesale prices or request fully customized solutions for your shipboard, offshore, or marine industrial project. With global certifications, worldwide supply, and OEM/ODM support, PowerNex delivers reliable, scalable, and marine-grade electrical solutions for B2B clients worldwide.
How Caribbean Countries Purchase and Apply Power Transformers: A Comprehensive Guide
The Caribbean region covers numerous island nations and coastal countries. While their power infrastructures share [...]
1 月
Dry Type Transformer vs Marine Transformer vs Isolation Transformer: Differences, Connections, and How to Choose the Right One
Introduction: Why Transformer Selection Matters Choosing the right transformer is a critical decision for industrial, [...]
1 月
Dry-Type Isolation Transformers in Industrial Factories Applications, Benefits, and Selection Guide
Introduction In modern industrial environments, electrical safety, power stability, and system reliability are no longer [...]
1 月
What Is an Isolation Transformer? The Complete Guide for Modern Power Systems
Introduction What Is an Isolation Transformer? At its core, an isolation transformer is a type [...]
1 月
Distribution Transformer Manufacturers: Top Chinese Suppliers and PowerNex Solutions
When searching for distribution transformer manufacturers, many global buyers look to China for high-quality, cost-effective, [...]
1 月
Leading Dry-Type Isolation Transformer Manufacturers in China: A Complete Global Buyer’s Guide
As global industries continue to expand and modernize, the demand for safe, efficient, and reliable [...]
1 月
How to Choose the Right Dry-Type Isolation Transformer for Industrial Factories Worldwide
In modern industrial operations, a reliable and stable power supply is crucial for factories, manufacturing [...]
1 月
How to Buy Isolation Transformers in Guyana – Comprehensive Guide for Hospitals, Laboratories, Industrial Facilities, and PV Systems
Introduction: Why Isolation Transformers Are Critical in Guyana Isolation transformers are a cornerstone of safe [...]
1 月
评价
目前还没有评价