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Transformers(Insulation type:F type)

A transformer is a device that changes the voltage, also called a power transformer. Performs the step-down and step-up of AC voltage, and makes adjustments necessary for use in electronic devices. The transformer has a structure in which a primary coil and a secondary coil are wound around an iron core. Depending on the position of the iron core and the coil, it is divided into an inner iron type where the coil covers the iron core and an outer iron type where the iron core is outside the coil. Wiring methods are classified into two types: single-phase, which is a 100 V power supply used in offices, and three-phase, which is a 200 V power supply that sends a large amount of power. The winding of the coil is usually compound wound in which the primary and secondary sides are insulated, but there are also smaller auto transformers. There are also types that can be connected with the cover attached, types that can be used overseas and in Japan, portable types that are suitable for on-site construction with different power and voltage, etc.
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    Single-Phase Multiple-Winding Transformer, LD21 Series

    Single-Phase Multiple-Winding Transformer, LD21 Series

    TOYOZUMI

    Step-down transformer for 200V switching to 100V. We have reached the low-cost goal while maintaining the quality of a Toyozumi production SD21 series. For all equipment types, gap shield is included in P-S to best prevent interference.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Representative Standard Dimension width(mm) Dimension depth(mm)
    220 0.75 ~ 5 110 Single-phase/Double-winding F type Screw terminal block 116.5 ~ 209 Available NA - 136 ~ 224 135 ~ 247
    From: 6,105,752 VND
    Days to Ship: Số ngày giao hàng: 4 Day(s) or more
    day to ship 4 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    SB22-E Series Power Transformer

    SB22-E Series Power Transformer

    SWALLOW ELECTRIC

    SB22-E series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Representative Standard Dimension width(mm) Dimension depth(mm)
    AC200-220 3 ~ 10 AC200-220 Single-phase/Double-winding F type Up screw type terminal block 220 ~ 430 Available NA - 200 ~ 290 190 ~ 280
    From: 12,371,791 VND
    Days to Ship: Số ngày giao hàng: 24 Day(s) or more
    day to ship 24 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    M21 Series Multi-Transformer

    M21 Series Multi-Transformer

    SWALLOW ELECTRIC

    Multi-transformer with ±tap P-type 200V/ S-type 100V terminal block cover mainly applied with 9 output voltages with an integral structure of protection cover. Simple wiring without screw-off.[Features]· Input side has set terminal of ±10V. Therefore one transformer can process 6 input voltages

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Representative Standard Dimension width(mm) Dimension depth(mm)
    AC190-200-210-220-230-240 3 ~ 5 AC100-110-120 Single-phase/Double-winding F type Up screw type terminal block 220 ~ 240 Available NA - 200 ~ 250 200 ~ 240
    From: 12,737,810 VND
    Days to Ship: Số ngày giao hàng: 24 Day(s) or more
    day to ship 24 Day(s) or more
BrandNhãn hiệu
Product SeriesDòng sản phẩm
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Days to ShipSố ngày giao hàng
Primary voltage(V)
Capacity(kVA)
Secondary voltage(V)
Number of phases/winding
Insulation type
Input/output terminal shape
Dimension vertical(mm)
Shield presence
With/without Case
Representative Standard
Dimension width(mm)
Dimension depth(mm)

    You can add up to 6 items per a category to the compare list.

    Single-Phase Multiple-Winding Transformer, LD21 Series

        You can add up to 6 items per a category to the compare list.

        SB22-E Series Power Transformer

            You can add up to 6 items per a category to the compare list.

            M21 Series Multi-Transformer
              BrandNhãn hiệu

              TOYOZUMI

              SWALLOW ELECTRIC

              SWALLOW ELECTRIC

              Product SeriesDòng sản phẩm

              Single-Phase Multiple-Winding Transformer, LD21 Series

              SB22-E Series Power Transformer

              M21 Series Multi-Transformer

              CADCAD
              • 2D
              From

              6,105,752 VND

              12,371,791 VND

              12,737,810 VND

              Days to ShipSố ngày giao hàng 4 Day(s) or more 24 Day(s) or more 24 Day(s) or more
              Primary voltage(V)220AC200-220AC190-200-210-220-230-240
              Capacity(kVA)0.75 ~ 53 ~ 103 ~ 5
              Secondary voltage(V)110AC200-220AC100-110-120
              Number of phases/windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-winding
              Insulation typeF typeF typeF type
              Input/output terminal shapeScrew terminal blockUp screw type terminal blockUp screw type terminal block
              Dimension vertical(mm)116.5 ~ 209220 ~ 430220 ~ 240
              Shield presenceAvailableAvailableAvailable
              With/without CaseNANANA
              Representative Standard---
              Dimension width(mm)136 ~ 224200 ~ 290200 ~ 250
              Dimension depth(mm)135 ~ 247190 ~ 280200 ~ 240

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              Related Categories to TransformersDanh mục liên quan đến Transformers

              FAQ Transformers

              Question: What is different between 1phase transformers and 3phase transformers.
              Answer: 1. In a single-phase transformer, the electricity is supplied through two wires called Line and neutral. In three phase transformers, the electricity is supplied through three wires (four wires if neutral wire is included).
              2. The voltage of single-phase transformer supply is 230V whereas three-phase transformer supply is 415V.
              3. The efficiency of a three-phase transformer is significantly higher than a single-phase supply and the power transfer capability is also more.
              Question: How many types of transformers?
              Answer: Type of transformer can be separated by different types of applications.
              1. Transformer types based on core structure.
                 1.1) Iron core transformer
                 1.2) Shell core transformer
                 1.3) H-type core transformer
              2. Transformer types based on electric system.
                 2.1) Single-phase transformer
                 2.2) Three-phase transformer
              3. Transformer types based on voltage level.
                 3.1) Step-up transformer which is use for boost voltage up then transmit to secondary side.
                 3.2) Step-down transformer which is use for reducing voltage down then transmit to secondary side.
                 3.3) Isolation transformer which voltage at primary and secondary side are same. Typically, applicable for Laboratory which is need stable voltage and current.
              Question: How is transformer maintenance method?
              Answer: 1. Should install and using in low-humidity to prevent short circuit issue.
              2. Installation place should be good for heat transfer.
              3. Always keep cleaning heat transfer component.
              4. Always keep inspection terminal and wire.
              Question: Why transformer is necessary?
              Answer: Transformers is necessary because each electric device need different level of voltage. So, we must use transformer to adjust the electrical voltage from power source to sub-unit. Such as, reduce voltage from high-power electric post to the building and transformer for reduce voltage level from electric source of building to each electrical home appliance as well.