High Quality Low Loss Electrical Step-Down Transformer with Changeover Switch

Basic Info

Model NO.	SZ12
Usage	Combined Transformer, Power Transformer, Distribution Transformer
Frequency Characteristics	Power Frequency
Shape of Core	EI
Brand	Zghqdl
Rated Capacity	30-2500kVA
Ambient Temperature	-25~40 Centigrade
Customizable	Yes
OEM	Offered
Transport Package	Wooden Case
Trademark	ZGHQDL
Origin	Zhejiang, China
HS Code	8504210000
Production Capacity	8000pieces/Year

Product Description

Product Description

For customized products, please consult our online customer service!

Our S9, S10, S11 series three phase oil-immersed transformers conform to the standards of IEC, GB1094 Power Transformer and GB/T6451-2008 Technical Parameters and Requirements of Three-phase Oil-immersed Power Transformer. With the application of domestic and overseas advanced techniques, our products are made of high-quality raw materials with optimized design, which enables more compact structure and higher capability. The transformer core is made of quality cold-rolled silicon sheet steel and is of a full-miter non-puncture structure. The coil is made of quality oxygen-free copper, featuring good outlook and safe running. The products are widely used in power transmission and distribution of industrial and agricultural power networks.For clients from different countries and regions, we offer customized production service. We can provide an quotation for you within 24 hours. Any inquiries are welcome!

Product Parameters

Technical parameters listed in the table below are for reference only.For customized products, please consult online customer service!

RatedPower	VoltageCombination			ConnectionSymbol	Loss(kW)		Non-loadCurrent	Short CircuitImpedance	Weight(kg)
(kVA)	High Voltage(KV)	TapppingRange	Low Voltage(KV)	Label	No-Load	Load	(%)	(%)	Oil Weight	TotalWeight
30	20	±5%or±2×2.5%	0.4	Yyn0orDyn11	0.1	0.63/0.60	1.5	4.0	75	295
50					0.13	0.91/0.87	1.3		88	395
63					0.15	1.09/1.04	1.2		95	420
80					0.18	1.31/1.25	1.2		103	480
100					0.2	1.58/1.50	1.1		115	540
125					0.24	1.89/1.80	1.1		130	645
160					0.28	2.31/2.20	1		145	740
200					0.34	2.73/2.60	1		175	885
250					0.4	3.20/3.05	0.9		195	1010
315					0.48	3.83/3.65	0.9		230	1205
400					0.57	4.52/4.30	0.8		255	1375
500					0.68	5.41/5.15	0.8		285	1620
630					0.81	6.2	0.6	4.5	350	1960
800					0.98	7.5	0.6		405	2310
1000					1.15	10.3	0.6		490	1690
1250					1.36	12	0.4		550	3315
1600					1.64	14.5	0.4		625	3795

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About Our Company

FAQ

Q1: Are you a factory or trading companyA1: Yes, we are a top-notch manufacturer dedicated to research, development and production of a wide range of high quality transformers. Both our products and price are very competitive.

Q2: How does your factory do regarding quality control?A2: All the products will be 100% checked and tested before delivery. All our products comply to strict tests, easy maintenance guaranteed. We also offer on-line after-sale service in case of any further problems.

Q3: When can I get the price?A3: Usually we quote within 24 hours after we get your inquiry.

Q4: How could I get a sample?A4: if you can not buy our product in your local area, we will ship a sample to you. You will be charged a sample price plus all related shipping costs. Express delivery charge depends on the quantity of the samples.

Q5: What is the price of shipping?A5: Depending upon the port of delivery, price varies.Q6: What about maintenance?A6: Transformers contain no moving parts and require very little maintenance. Periodic inspection and care are recommended practices especially if the transformer is operating in a harsh environment.