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Home > Electrical & Electronics > Passive Components > Capacitor > 15-40kVA Three-Phase Dry Type Isolation Transformer 660V to 400V/380V/220V With Standard Compliant

15-40kVA Three-Phase Dry Type Isolation Transformer 660V to 400V/380V/220V With Standard Compliant

15-40kVA Three-Phase Dry Type Isolation Transformer 660V to 400V/380V/220V With Standard Compliant thumbnail-3

15-40kVA Three-Phase Dry Type Isolation Transformer 660V to 400V/380V/220V With Standard Compliant thumbnail-4

15-40kVA Three-Phase Dry Type Isolation Transformer 660V to 400V/380V/220V With Standard Compliant thumbnail-5

15-40kVA Three-Phase Dry Type Isolation Transformer 660V to 400V/380V/220V With Standard Compliant photo-1

15-40kVA Three-Phase Dry Type Isolation Transformer 660V to 400V/380V/220V With Standard Compliant photo-2

15-40kVA Three-Phase Dry Type Isolation Transformer 660V to 400V/380V/220V With Standard Compliant photo-3

15-40kVA Three-Phase Dry Type Isolation Transformer 660V to 400V/380V/220V With Standard Compliant photo-4

15-40kVA Three-Phase Dry Type Isolation Transformer 660V to 400V/380V/220V With Standard Compliant photo-5

Product Spotlights

This three-phase dry-type isolation transformer safely converts 660V input to standard 400V/380V/220V outputs (15-40kVA range). Its air-cooled design eliminates oil risks, reduces maintenance, and ensures reliable operation in industrial settings. It protects equipment, enhances system compatibility, and offers installation flexibility for global power distribution needs.

US$ 159 ≥1 Unit

Key Specifications

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Application:

Other, Industrial power distribution

Material:

High-grade electrical steel, copper/aluminum windings

Capacity Range:

15kVA to 40kVA

Contact Supplier Request Quote Chat Now

Jinhua Dika Electrical Equipment Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Application Other, Industrial power distribution

Material High-grade electrical steel, copper/aluminum windings

Capacity Range 15kVA to 40kVA

Input Voltage 660V AC

Output Voltage 400V, 380V, 220V AC

Phase Configuration Three-phase

Cooling Type Dry type (air-cooled)

Standard Compliance Designed to meet relevant electrical standards

Mounting Floor-mounted or wall-mounted (optional)

Protection Class IP20 (standard), higher IP ratings available

As a dedicated manufacturer of electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. specializes in providing robust and reliable power solutions for industrial applications worldwide. Our 15-40kVA Three-Phase Dry Type Isolation Transformer is engineered to deliver safe and efficient voltage conversion from 660V to standard lower voltages (400V, 380V, 220V), ensuring compatibility across diverse power systems. This transformer serves as a critical component in protecting sensitive equipment, stabilizing power supply, and facilitating seamless integration in multi-voltage environments.

Core Product Features & Technical Specifications:

Isolation & Safety: Provides complete electrical isolation between primary (660V) and secondary circuits, effectively eliminating ground loops, reducing noise, and protecting downstream equipment from voltage surges and transients on the input side.
Dry Type Construction: Utilizes air as the cooling medium, eliminating the risks and maintenance associated with liquid coolants or oils. This makes it suitable for installations where fire safety, environmental concerns, or maintenance simplicity are priorities.
Voltage Flexibility: Designed with a 660V input to accommodate specific industrial and regional high-voltage supplies. Offers multiple standardized output voltage options (400V, 380V, 220V) to match the requirements of local equipment and distribution networks.
Robust Power Range: Available in a capacity spectrum from 15kVA to 40kVA, allowing selection based on the total load demand of the connected machinery, lighting, or control systems.
High-Efficiency Design: Incorporates advanced core materials and winding techniques to minimize energy losses (core and copper losses), contributing to lower operational costs over the transformer's lifespan.
Durable Build: The enclosure and internal components are constructed from materials resistant to corrosion and environmental factors, ensuring long-term performance even in challenging industrial settings.

Technical Parameters Table:

Parameter	Specification / Range
Input Voltage (Primary)	660V AC, Three-Phase
Output Voltage (Secondary)	400V / 380V / 220V AC, Three-Phase
Power Rating (kVA)	15, 20, 25, 30, 35, 40
Frequency	50Hz / 60Hz (Standard 50Hz)
Cooling Method	AN/AF (Air Natural / Air Forced)
Insulation Class	Class F or higher (customizable)
Noise Level	< 65 dB (typical at rated load)
Terminations	Busbars or cable boxes (options available)

Benefits for Your Operation:

Equipment Protection: Shields motors, PLCs, CNC machines, and other sensitive electronics from voltage irregularities, extending their service life and reducing downtime.
System Compatibility: Solves the problem of connecting equipment designed for 400V/380V/220V systems to a 660V supply grid, common in certain industrial plants, mining operations, or older infrastructure.
Operational Safety: The isolation feature enhances overall electrical safety for personnel by providing a clear separation between high-voltage and low-voltage sides.
Lower Maintenance Costs: The dry-type design requires no oil testing, filtering, or containment, leading to simpler and less frequent maintenance routines.
Installation Versatility: Can be installed in indoor electrical rooms, on platforms, or in areas where environmental regulations prohibit oil-filled units.
Energy Cost Management: High efficiency translates to lower power losses, which can contribute to reduced electricity consumption for the transformed power.

Jinhua Dika Electrical Equipment Co., Ltd. operates with a commitment to quality and reliability, supported by a structured manufacturing process. Our products reach diverse global markets, from North America and Europe to Southeast Asia and Africa, facilitated through major ports like Shanghai, Tianjin, Guangzhou, and Ningbo. This transformer is designed with attention to electrical standards and built to perform reliably in the demanding conditions of industrial power distribution. For a power conversion solution that prioritizes safety, efficiency, and durability, consider our three-phase dry-type isolation transformer.

Frequently Asked Questions (FAQ):

Q: What is the primary application of this 660V to 400V/380V/220V transformer?
A: It is primarily used in industrial facilities where a 660V distribution system exists, but the operational equipment requires standard lower voltages like 400V, 380V, or 220V. It enables safe and efficient power adaptation for machinery, lighting, and control circuits.
Q: Can the output voltage be customized to a specific value other than 400V, 380V, or 220V?
A: While the standard offerings are these common voltages, custom output voltage configurations can be discussed and engineered based on specific project requirements.
Q: Is this transformer suitable for outdoor installation?
A: The standard protection class is IP20, designed for indoor dry environments. For outdoor installation, higher IP ratings (e.g., IP54) can be specified to protect against dust and water ingress.
Q: What are the advantages of a 'dry type' transformer over an oil-filled one?
A: Dry type transformers are air-cooled, eliminating risks of oil leaks, fires, and environmental contamination. They require less maintenance, have a simpler installation, and are often preferred in buildings or areas with strict fire codes.
Q: How do I select the correct kVA rating (15, 20, 25, etc.) for my needs?
A: The kVA rating should be chosen based on the total connected load (in kVA or kW) you intend to supply through the transformer. It's recommended to calculate the sum of the loads and select a transformer with a rating equal to or greater than that total, considering possible future expansion.
Q: Does the transformer come with built-in protection features like overload or temperature monitoring?
A: The standard unit includes basic thermal protection. Additional protection features such as integrated circuit breakers, temperature sensors with alarms, or surge protection devices can be added as optional accessories.
Q: What is the typical delivery lead time for these transformers?
A: Lead times vary based on the specific model (kVA rating) and order volume. Standard models often have shorter lead times, while customized units require additional engineering and manufacturing time. Specific timelines can be provided upon inquiry.
Q: Are installation and wiring guidelines provided?
A: Yes, comprehensive installation manuals, wiring diagrams, and safety instructions are included with the product to assist qualified electricians or engineers during setup.