240v 110v step down transformer
- Category: >>>
- Supplier: Yueqing Zhongming Electric Co. Ltd.
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Product Overview
Description
Product Description
ZMBK series single-phase dry type Isolation transformer
ZMBK sries single - 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 distribution places 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 users’ requirements.
Working conditions
1.Ambient temperature: -15°C~+40°C
2.Altitude: <1000m
3.Relative humidity: <90%
4.Environment exists without gas, steam, chemical deposition, dust or dirt that will affect transformer’s 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: 230V
2.Output voltage: 230V rated voltage +5% (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 term
8.Insulation resistance: ≥50MΩ
9.Electric strength: no breakdown or flashover phenomenon under power frequency sine voltage of 2000V for 1min
10.Overload capability: for 1min under two times of rated current
Packaging & Shipping
Standard export wooden case with Plastic Strap wtih foam,English Operator manual,Packing Dimension:52*45*68.One standard Export Carton 1pcs.shippig weight 95kg 
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 Voltage stabilizer how to make quality no any problem.
first we do voltage stabilizer inside main part PCB board and coil.we have winding machine and Dipping paint(immerse machine).silicon testing no loading current machine.
only we receive customer we first will be send to detail spec of coil size and weight and silicon area and copper wire size for our customer reference.after custome confirm okay.then we do one sample testing.after testing okay we will begining make all production order.bcos our boss working stabilizer factory already have 10 years experience.
2.About How Control voltage regulator/Voltage stabilizer 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 stabilizer no wage.we difference.if control worker how to working that mean will be easy control quality.voltage stabilizer 60% quality problem from worker.20% quality problem from material and 20% coil size.we make all customer voltage stabilizer keep quality is NO.1 bcos our company boss is coil design engineer.if want to know detail.pls email us discussing.we are is one professional voltage stabilizer.
3.About voltage regulator/Voltage stabilizer power.some 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.get very difference price.some sale person tell to customer we power have 90% or 100%.so how to
get 90% and 100%.from stabilizer weight.light weight impossible get high quality power.for exsample 10kva two coil.gernal to do net weight only have 35kg around.this weight design.
silicon area at 36.4 and wire size 1.68.compention coil silicon area 38.7 and inside aluminum wire is 2.5mm/outside wire is 4.3.if less this weight maybe only have 70% power.another deisng is used one biggestion coil.weight around 28kg around.
4.Why Some New Customers order Container choice us.
Very big reason our sale person is technician.quality control very good than other.second reason our price very good.high quality lowest price.coil design and production by ourself.coil is voltage stabilizer/voltage regulator inside main and importan parts.we can face to face discussing with customer very spec voltage stabilizer silicon area wire size and weight.how to control quality good.we all stabilizer do many a lot of testing step very carefull before dispatch.first we do raw material testing by sale person.then make testing report record.after silicon make winding testing coil no loading current.if okay.we assemble finish testing output and protect function.after make dynamic testing.at packing big we testing againg check painting nameplate and send to warehouse then loding container
5.About Payment Terms:
General we do voltage regulator/voltage stabilizer products with customer 30% T/T deposite and 70% balance after loading
container see BL copy. also we do bangladesh by 100% LC.sample order shipping
cost by West Union or Customer shipping account No.also we accpet Paypal Escrow
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