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isolation transformer 400v 380v to 220v 1000v Quality Choice

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USD $1,500 - $2,500 / Piece

1 Piece(Min.Order)

Supply Ability 100 Piece / Pieces per Month
Port ningbo
Payment Terms:T/T Credit Card

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Product Details

Place of Origin:	Zhejiang, China	Brand Name:	ZMELEC or OEM	Model Number:	isolation transformer 400v 380v to 220v 1000v
Usage:	Power	Phase:	Single	Coil Structure:	Other, EI
Coil Number:	Other, Isolation

Product Description

Application:

BK(DK) Series control transformer(Hereafter call transformer) is suitable for circuit of 50~60Hz, voltage up to 500V, usually applied as power supply for machine tool electrical appliances, locallightings and indicator lamps power supply.

Structure Character:

According to different structures, BK transformer belongs to shell type, and according to the installation mode, it belongs to vertical type.

Model Means:

BK-x DK-x

B:Transformer D: Single Phase

K: Control K: Control

x: Rated Capacity x: Rated Capacity

Working Enviconment:

1.Ambient air temperature: -5 degree ~+45 degree , the highest monthly mean temperature should not exceed +30°C; 2.Altitude for installing place should not exceed 1000m; 3.When the ambient air temperature is +40°C, the relative humidity should not exceed 50%, and it allows higher relative humidity under lower temperature. Max average humidity in the dampest month is 90%, meanwhile the lowest average temperature of this month is + 25°C, and condensation on the product surface caused bytemperature change should be taken into consideration.

Outline and Install dimension

type	Outline dimension(mm)			Hole distance for installation(mm)		Installation hole(mm) K × J
type	Bmax	Dmax	Emax	A	C	Installation hole(mm) K × J
BK-50	78	66	90	56±0.4	50±3	5 × 12
BK-100	84	78	93	56±0.4	62±2.5	6 × 12
BK-150	102	88	110	83±0.4	70±2.5	6 × 12
BK-250	102	95	110	83±0.4	76±3	9 × 11.5
BK-300	120	127	135	100±0.4	90±3	9 × 11.5
BK-400	146	130	160	123±0.4	90±3	9 × 11.5
BK-500	146	145	160	123±0.4	105±3	9 × 11.5
BK-700	146	155	160	123±0.4	115±3.5	9 × 11.5
BK-1000	150	165	160	123±0.4	125±3.5	9 × 11.5
BK-1500	171	200	190	145±0.4	135±3.5	9 × 11.5
BK-2000	180	230	210	145±0.4	160±3.5	9 × 11.5

Packaging & Shipping

Standard export wooden case with Plastic Strap wtih foam,English Operator manual,Packing Dimension:40*25*25cm.One standard Export Carton box 16pcs.shippig weight 25kg

Our Services

1.Quality control

transformer quality control for very customer very important.we control quality from very one spare part.especally silicon sheet. see picture below we buy silicon sheet testing.if you want to know more information how about our how to keep stabilizer quality good.pls contact our email.

2. Quality Guarantee

we give our customer isolation transformer quality guarantee period 2 years if proper loading we give customer 5 years and adopt our technician suggestion.every isolation transformer we first testing part quality then assmbel finished testing output and loading testing.after testing finished we make dynamic testing.after packing we testing again.see below our testing equipment

3.If isolation transformer get any problem or have any specially design inquiry.we will reply customer within 24 hours.bcos our sale person is technician.

like three phase isolation transformer big current loading for output and DC voltage output and surge protect and over-loading protect.full power loading design.silicon area and winding wire size design specally.

see below picture with isolation transformer control

4.OEM/ODM available

we accpet customer OEM or ODM.customer send to our your logo and company name and packing box design.if no have design.we can design for customer.then printing voltage stabilizer panel logo and company name.samll power carbon box we printing customer logo and company too

5.we accpect sample order testing our quality.

at make sample before we confirm all specification no problem.first we will testing by our sale person.after we testing finished.we will send to customer check quality.small power sample we give customer sample for free.customer pay shipping cost.

Company Information

FAQ

1.About Our transformer how to make quality no any problem.

first we used is good material silicon sheet.thinkness is 0.35mm.second we make winding time calcutae the data according silicon sheet 1.1 times.and copper wire we make current according 6A per square.aluminum wire small current we do according 3A per square.big current we do according 1A base one square.

we have winding machine and Dipping paint(immerse machine).silicon testing no loading current machine.

if we receive customer order.we first make one sample testing.and show customer detail testing report.and silicon size and wire size for our customer reference.after custome confirm okay.we will begining make all production order.bcos sale person also is one technician person.

2.About How Control transformer no any problem.

our company worker 80% is from company parter.not like other factory worker wage from do working how many pcs assmble.no assmble transformer or testing transformer no wage.we difference.if control worker how to working that mean will be easy control quality.transformer 60% quality problem from worker.20% quality problem from material and 20% design size.we make all customer transformer keep quality is NO.1 bcos our company sale person will be testing customer products by ourself.not only engineer one person testing.if want to know detail.pls email us discussing.we are is one professional transformer factory.not is trading company.

3.About transformer me customer call efficience

in our city liushi 90% factory do power at most 80%.some time some factory only do

70% power or 60% power.new customer search and send to many inquiry to many factory and trading compay.get very difference me sale person tell to customer we power have 90% or 100%.so how to get 90% and 100%.from the transformer silicon material and size.loading power if silicon sheet size ding wire also very improtant.light weight impossible get high quality power.for exsample 2000va isolation transformer input 230V and output 230V.general to do net weight have 21kg around.this weight design.the bobbin size at least meet 60*105.usd copper wire size 1.68.if do high quality design bobbin must change 60*110 and wire size change for 1.8.this design weight aroundard 22.5kg.

4.About Payment Terms:

General we do with customer 30% T/T deposite and 70% balance after loading

container see BL copy. also we do bangladesh and egypt customer by 100% LC.sample order shipping cost by West Union or Customer shipping account No.also we accpet Paypal Escrow

Contact Us

Yueqing Zhongming Electric Co., Ltd.: Contact nameBree Liu
Chat Now; Phone86-577-61787008; AddressLvao Industrial Zone, Liushi Town, Yueqing

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