SBK 3 phase dry type transformer

SBK series three-phase dry-type transformer, suitable for AC 50 ~ 60Hz, input voltage does not exceed 1000V in the circuit, as a variety of machine tools, mechanical equipment and other general electrical control power, local lighting and indicating power, can also be used as a small power Power supply. Structure SG and SBK series three-phase… Continue reading SBK 3 phase dry type transformer

Products description

SBK series three-phase dry-type transformer, suitable for AC 50 ~ 60Hz, input voltage does not exceed 1000V in the circuit, as a variety of machine tools, mechanical equipment and other general electrical control power, local lighting and indicating power, can also be used as a small power Power supply.

Structure

SG and SBK series three-phase dry-type transformers can be made into open or protective type, with the advantages of low loss, low noise, good fire performance and no pollution to the environment. Transformers are divided into control transformers and lighting transformers according to the purpose of the products; control transformers are fixed transformers; lighting transformers are portable transformers except for lighting transformers for machine tools. The iron core of the transformer is made of cold-rolled silicon steel sheet, and the steel yoke is clamped on both sides by a steel or steel plate and fastened by a screw. According to the structure, the product is divided into two types: open type and protective type. The protective type is made of steel plate into a case, the transformer is inside the case, and there is an inlet and outlet hole outside the case to install the power line. If necessary, increase the voltmeter, ammeter, temperature controller, steering wheel, etc. according to user requirements, in order to move.

Normally Use Condition

● Altitude: the altitude of the installation site does not exceed 2000m;
● Temperature: the ambient air temperature does not exceed +40℃, and the average temperature within 24 h does not exceed +35℃, the lower limit of ambient air temperature is -5℃;
● Humidity: When the maximum temperature is +40℃, the relative humidity of the air does not exceed 50%; at lower temperatures, higher relative humidity can be allowed, for example, 90% at +20℃;
● Installed in places where there is no severe vibration or shock vibration;
● In a non-explosive hazardous medium, where there is no corrosive metal and insulating gas and conductive dust.
● Input and output voltage can be customized according to customer needs.

Technical Date Sheet

Product nameDry type transformer
ModelSBK series
Output voltage accuracy±1%
PhaseThree phase
capacity0.5KVA-2000KVA
Input voltageCustomize variousvoltages accordingto userneeds
Output voltageCustomize variousvoltages accordingto userneeds
Voltage change rate≤1.5%
Output waveform distortionNo distortion (compared to the input waveform)
Insulation class and IP ratingClass F, Class H, and HC are available (normally Class F) IP rating: IP00, IP20, etc.
Work efficiency≥98%
Frequency50/60HZ
Connection methodY/
Overload capacityAllows to work for more than 1.2 times the rated load for 4 hours (can long-term full load)
Noise≤35Db
Temperature rise≤60℃
Insulation resistance≥150MΩ
Design life30 year
Working environmentTemperature:-20℃ + 45℃ Humidity:≤95% non-condensing
WorkplaceNo corrosive gas and conductive dust
Safety standardsVDE0550. IEC439. JB5555. GB226
Cooling methodDry air cooling

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