Sg-30kVA Three Phase Dry-Type Isolation Transformer for Sale
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Product Highlights
- Customizable Design: Input/output voltage, connection group, and capacity can be designed according to user requirements.
- High Efficiency: Efficiency reaches 95% or higher with no additional waveform distortion.
- Damp-Proof & Easy Maintenance: Adopts high-quality materials and advanced technology for damp-proofing and convenient maintenance.
- Wide Application Scope: Suitable for underground railways, high buildings, airports, stations, wharves, enterprises, and tunnels.
- Long-Term Unattended Operation: Can operate independently without human attendance for extended periods.
- Comprehensive Protection: Features over-current protection and indication of input voltage, output voltage, and current.
- ISO9001 Certified: Manufacturing process and quality management systems certified by ISO9001.
- OEM/ODM Services: Accepts OEM work for substantial orders and offers full customization from samples or designs.
Product Attributes
- Customization
- Available
- Application
- Power, Electronic
- Phase
- Three
- Model NO.
- SG-30KVA
- Core
- Core-type Transformer
- Cooling Method
- Dry-type Transformer
- Winding Type
- Separated Winding Transformer
- Certification
- ISO9001, Ce
- Frequency Characteristics
- Power Frequency
- Brand
- Honle
- Coil Structure
- Toroidal
- Delivery Detail
- 15~20days After Received Deposit
- Transport Package
- Export Standard
- Trademark
- HONLE
- Origin
- Wenzhou, Zhejiang
- HS Code
- 8504401990
- Production Capacity
- 300 Pieces Per Month
- Package Size
- 45.00cm * 40.00cm * 50.00cm
- Package Gross Weight
- 15.600kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Sg-30kVA Three Phase Dry-Type Isolation Transformer for Sale
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Product Description
Specifications
Dry-Type Isolation Transformer
DG and SG series single-phase and three-phase dry-type isolation transformer adopts high quality material and advanced technology,it has advantages of damp-proof and convenient maintenance,it can be applied to such power transmission and distributionplaces like underground railway,high building,airport,station,wharf,enterprise,tunnel,etc.It is mainly used in power supply occasions of AC 50-60HZ and voltage less than 500V.All the input and output voltage,connection group and capacity of tapped winding can be designed and produced according to usersrequirements.
Working condition
1.Ambient temperature:-15-+40
2.Altitude:<1000m
3.Relative humidity:<90%
4.Environnment exists with out gas,steam,chemical deposition,dust or dirt that will affect transformers insulation seriously,also explosive or corrosive medium is not allowed.
5.If any special working conditions that are not in line with the above stipulations,user shall negotiate with us,
Main technical characters
1.Input voltage:rated voltage ±10%
2.Output voltage:rated voltage +3%(no load)
3.Efficiency:≥95%
4.Waveform distortion:no additional waveform distortion
5,Function:indication of input voltage,output voltage and current
6,Protection:over-current protection
7,Can operate itself without anybody attending for a long time


Honle Group,rooted in Zhejiang, China, stands as a globally acclaimed and trusted provider of sustainable, eco-friendly energy storage solutions, backed by over 20 years of profound expertise in the electrical and new energy sectors.
Since its founding in 1998, the group has grown into a specialized manufacturer of industrial electrical products, offering a comprehensive portfolio that includes Automatic Voltage Regulators, Power Transformers, Vacuum Circuit Breakers, Switchgears, Ring Main Units, Inverters, UPS systems, and MCCBs, among others. Committed to delivering consistent, high-quality products and services, Honle Group has expanded its global presence with strategically located branches in key markets such as Russia, Uzbekistan, the UAE, Indonesia, Tanzania, and Côte d'Ivoire, further cementing its reputation as a leading and reliable supplier worldwide.







Q1. Are you a trading company or factory?
A: We are a manufacturer factory and we also have our own exporting license.
Q2: What is the delivery time?
A: Our company holds ISO9001 certification for quality management systems. For our products, we've obtained CE, ISO, and SGS certifications, ensuring compliance with international standards. Additionally, we have patented designs to further guarantee innovation and quality.
Q3: Could you provide Form A or Certificate of Origin (C/O)?
A: No problem. We can prepare relevant documents and submit applications to the Office of Origin Affairs or other relevant offices to obtain related certificates.
Q4: If there is any quality problem, how do you solve it?
A: We're proud to keep every customer satisfied. While we strive for perfection, occasional quality issues may arise, which we'll resolve through negotiation-offering replacements, compensation or reshipment as needed.
Q5: What is the delivery time?
A: Usually, it takes around 30 days after the order is confirmed.
Q6: Would you accept using our logo?
A: If the order quantity is substantial, there is no problem with doing Original Equipment Manufacturer (OEM) work.
Q7: Why trust in us?
A: 17 years in this industry. It makes us professional. Good credit in this market. All of our machines are the assurance of our responsibility.
Q8: Free sample?
A: Free samples can be provided for first cooperation under sincere cooperation.
Q9: What is the MOQ?
A: 1PCS MOQ is welcome for starting cooperatoon
Q10: Material certificate?
A: Material certificaite, mill certificate, pressure testing certificate, roughness certificate, measure certificate, RT certificate, ...Can be available, please declare when inquiry us.
Q11: Where is your market?
A: Our products are popular in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, etc. Some of these regions have been our regular markets, and some are still in the development stage. We look forward to more partners joining us and achieving mutual benefits through our cooperation.
Q12: More questions are appreciated.
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASR253316". Items marked "" are certified.
Company Profile
Honle Electric Co., Ltd is the manufacturer specialized in producing industrial electrical products. It has three factories, the first one produces power supply, the second one produce power transformer, the third one produces complete plants and equipment. As a member of China Power Supply Society, since its foundation, the company has been insisting on the theoretic guideline of "science & Technology is the first productive force" and holding up brand strategy as the guide, relying on forward understanding about power supply technology, perfect craft and unwearied pursuing to quality, we can show top quality power supply products, and set up fine image in Chinese market and overseas market.
Up to now, Honle has the modern workshops and advanced production devices. Besides, the company always introduces technology positively, reforms craft continuously, devotes to researching and developing the voltage stabilizer, regulator and power supply, precise pureness power supply, providing, marketing for products. The company always do researching and developing the stabilized voltage power supply, precise pureness power supply, providing marketing for products. In addition, the company tries to find excellent administrators and technical talents. After just a few years of continuous efforts, Honle has been improved on the aspect of varieties, production scale, management mode. So products manufactured by Honle have reached advanced technical level, they are not only popular with a great many customers in China, but also in foreign countries.
The products of our company have been approved by Shanghai Quality Supervision & Inspection Institute, and insured by PICC company. Honle insists on the quality of survival, innovation and development all the time, and it has passed ISO9001 quality management system certification. Relying on rich economic strength, fine production engineering, innovating management mode.
We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 201, Wei 16 Road, Yueqing Economic Development Zone, Wenzhou, Zhejiang, China
-
Plant Area
- 21815.13 square meters
-
Number of Employees
- 190
-
Registered Capital
- 111,800,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Small-amount payment, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, EXW, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: one month -
Nearest Port
- Ningbo port
-
Minimum Order Quantity
- 100
-
Supply Chain Partners
- 1000
Our Production Capability & Technical Expertise
-
Main Products
- Automatic Voltage Regulator, Power Transformer, Vacuum Circuit Breaker, Switchgear, Ring Main Unit, Inverter, UPS, MCCB
-
Production Lines
- 5
-
Production Machines
- Confidential
-
QA/QC inspectors
- 14 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 10 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2008-05-23
-
Export Year
- 16 years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, Domestic
-
Repeat Buyers Choice
- 30%~50%
-
Number of Foreign Trading Staff
- 30
-
Overseas Agent/Branch
- Yes
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO50001
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- Are you a trading company or factory?
- We are a manufacturer factory and we also have our own exporting license.
- What is the delivery time?
- Usually, it takes around 30 days after the order is confirmed.
- Could you provide Form A or Certificate of Origin (C/O)?
- No problem. We can prepare relevant documents and submit applications to the Office of Origin Affairs or other relevant offices to obtain related certificates.
- If there is any quality problem, how do you solve it?
- We're proud to keep every customer satisfied. While we strive for perfection, occasional quality issues may arise, which we'll resolve through negotiation-offering replacements, compensation or reshipment as needed.
- Would you accept using our logo?
- If the order quantity is substantial, there is no problem with doing Original Equipment Manufacturer (OEM) work.
- Why trust in us?
- 17 years in this industry. It makes us professional. Good credit in this market. All of our machines are the assurance of our responsibility.
- Free sample?
- Free samples can be provided for first cooperation under sincere cooperation.
- What is the MOQ?
- 1PCS MOQ is welcome for starting cooperatoon
- Material certificate?
- Material certificaite, mill certificate, pressure testing certificate, roughness certificate, measure certificate, RT certificate, ...Can be available, please declare when inquiry us.
- Where is your market?
- Our products are popular in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, etc. Some of these regions have been our regular markets, and some are still in the development stage. We look forward to more partners joining us and achieving mutual benefits through our cooperation.
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