Efficient 33kv Epoxy Transformer for Enhanced Power Management

• Customization: Available
• Application: Electronic, Instrument, Lighting
• Phase: Three
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001
• Usage: Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Brand: Chaotai
• Input Voltage: 10kv
• Coil Number: Three
• Coil Structure: Layer Coil
• Standard: IEC Standard
• Frequency: 50/60Hz
• Rated Capacity: 630kVA
• Winding Material: Copper
• Vector Group: Dyn11/Yyn0/Yzn11
• Output Voltage: 380V,400V
• Transport Package: Wooden Case
• Specification: fixed type
• Trademark: chaotai
• Origin: Zhejiang, China
• HS Code: 850422000
• Production Capacity: 2000/ Month

Product Description

Product Description

Meet your power management needs with our non-encapsulated coil three-phase dry-type power transformer. Crafted using the UL-approved Nomex insulation system, this innovation offers unparalleled safety, reliability, energy efficiency, and effortless maintenance. Its flame retardant and explosion-proof design ensures peace of mind, while its adaptability to extreme environments, such as high humidity or polluted areas near bodies of water, guarantees optimal performance. Engineered with an advanced design and a striking appearance, it exceeds domestic standards in key performance metrics like partial discharge level, no-load loss, and noise. Ideal for high-rise buildings, airports, and critical infrastructure such as hospitals and power plants, this transformer seamlessly integrates into densely populated and high-risk environments. Our epoxy-sealed dry type transformer is compact, flame retardant, maintenance-free, and ready to deliver robust power solutions.

Product Parameters

Nominal	Voltage unitcombination		Low voltage(KV)	Vector Group	No-load loss(W)	Loasloss (W)		No-load current(%)	Short-circuit impedance(%)
capacity(KVA)	High voltage(KV)	High voltage tap				F class	H class
		range				(120ºC)	(120ºC)
50			0.4	Yyn0 Dyn11	450	1420	1520	2.3	6
100	35 36 37 38.5	±2×2.5% or  ± 5%			630	2090	2230	2
160					790	2810	3000	1.5
200					880	3320	3550	1.5
250					990	3800	4060	1.3
315					1170	4510	4820	1.3
400					1370	5410	5790	1.1
500					1620	6650	7110	1.1
630					1860	7690	8230	1
800					2160	9120	9760	1
1000					2430	10400	11100	0.75
1250					2830	12700	13600	0.75
1600					3240	15400	16500	0.75
2000					3820	18200	19500	0.75
2500					4450	21800	2330	0.75

Nominal	Voltage unitcombination		Low voltage(KV)	Vector Group	No-load loss(W)	Loasloss (W)		No-load current(%)	Short-circuit impedance(%)
capacity(KVA)	High voltage(KV)	High voltage tap				F class	H class
		range				(120ºC)	(120ºC)
50			0.4	Yyn0 Dyn11	450	1420	1520	2.3	6
100	35 36 37 38.5	±2×2.5% or  ± 5%			630	2090	2230	2
160					790	2810	3000	1.5
200					880	3320	3550	1.5
250					990	3800	4060	1.3
315					1170	4510	4820	1.3
400					1370	5410	5790	1.1
500					1620	6650	7110	1.1
630					1860	7690	8230	1
800					2160	9120	9760	1
1000					2430	10400	11100	0.75
1250					2830	12700	13600	0.75
1600					3240	15400	16500	0.75
2000					3820	18200	19500	0.75
2500					4450	21800	2330	0.75

Nominal	Voltage unitcombination		Low voltage(KV)	Vector Group	No-load loss(W)	Loasloss (W)		No-load current(%)	Short-circuit impedance(%)
capacity(KVA)	High voltage(KV)	High voltage tap range				F class	H class
						(120ºC)	(120ºC)
2000	35 36 37 38.5	±4×2.5%	3.15 6 6.3 10 10.5 11	Yd11 Dyn11	4500	19000	20300	0.75	7
2500					5220	22600	24200	0.75
3150					6300	25400	27200	0.7	8
4000					7380	30400	32600	0.7
5000					8730	36100	38600	0.6
6300					10300	41800	44700	0.6
8000					11800	47500	50800	0.5	9
10000					13500	57100	61200	0.5
12500					16400	66500	71100	0.4
16000					20200	78200	83700	0.4
20000					23800	88000	94200	0.35	10
25000					28100	104000	111000	0.35

Main product

Company Profile

Zhejiang ChaoTai Complete Equipment Co., Ltd. stands as a beacon of innovation in electrical integration. As a high-tech enterprise, we boast a dedicated R&D, production, and service team with over 15 years of industry expertise, ensuring excellence in every project.
Explore our extensive range of products including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. Our solutions are pivotal across diverse sectors—energy, chemical, metal smelting, and more—serving the electric power grids, industrial sectors, academia, healthcare, municipal commerce, and residential areas with unmatched efficiency.
Guided by a philosophy of 'smart manufacturing,' we embrace technological innovation, recruiting elite technical talents to bolster our core strengths and deliver unparalleled value to our clients. Our journey from inception to industry leadership is marked by relentless progress and a dedication to quality, reputation, and efficiency. We uphold the principle of 'technology as the guide, quality as the standard,' striving for superior market competitiveness and excelling in the power transmission and distribution domains. Integrity, quality, and service are our cornerstones, driving us to pursue excellence and innovation. We extend heartfelt gratitude to our clientele for their trust and support, as we continue to build a reliable brand and work collaboratively towards a brighter future.

Our Advantages

Certifications

After Sales Service

FAQ

Q1. Are you a factory or trading company?
A.We are a factory.

Q2. Where is your factory located? How can I visit there?
A. Our factory is located in Wenzhou City, Zhejiang Province, China. You can fly to Longwan airport directly. All our clients,from home or abroad, are warmly welcome to visit us!

Q3. What's the payment term?
A. We accept TT. 30% deposit and 70% before shipment, Western Union, L/C At Sight is ok! We'll l show you the photos of the products and packages before you pay the balance.

Q4. Tell me the standard of package? What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons, If vou have leaallyl registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q5. Would you accept to use our logo?
A. If you have good quantity,it absolute no problem to do OEM.

Q6. How about the transport?
A. If the number of aoods is small we usually use TNT.DHL.FEDEX.EMS and some express voull offered. If the number of the goods is big usually we use the FWD you offered or we provided. Either by sea or by air is OK.

Q7. What is your Production lead time /delivery time?
A: Generally, it will take 25 to 30 days after receivina vour advance payment.
The specificl delivery time depends on the items and the quantity of your order. Silicone rubber's reqular product is 1,000/ week, Porcelain's need 2-3 weeks about 1000 pcs.

Q8. How do you make our business long-term and good relationship?
A:l. We keep aood auality and competitive price to ensure our customers benefit:
A: 2. We respect every customer as our friend and we sincerely do business and make friendsl with them, no matter where they come from.
A: 3.Most goods we have the type report according the IEC STANDARD

Q9. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the courier cost.

Q10. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q11. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q12.What certificates do you have?
A:ISO9001,OHSAS18001,ISO14001 certificate and Type test report of product.