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Transformers(Insulation type:A type Page2)

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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    SG11-E Series, Power Supply Transformer

    SG11-E Series, Power Supply Transformer

    SWALLOW ELECTRIC

    SG11-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.

    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)
    AC100-110-120 0.1 ~ 0.3 AC100-110-120 Single-phase/Double-winding A type Up screw type terminal block 102 ~ 117 Available NA - 96 ~ 128 103 ~ 131
    From: 1,858,080 VND
    Days to Ship: Số ngày giao hàng: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Power Supply Transformer, SG21-E Series

    Power Supply Transformer, SG21-E Series

    SWALLOW ELECTRIC

    SG21-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.

    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 0.1 ~ 0.3 AC100-110-115 Single-phase/Double-winding A type Up screw type terminal block 102 ~ 117 Available NA - 96 ~ 128 103 ~ 131
    From: 1,790,344 VND
    Days to Ship: Số ngày giao hàng: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Multi transformer with M21LED series

    Multi transformer with M21LED series

    SWALLOW ELECTRIC

    Power active with LED illumination and multi-transformer. With ±tap P200V / S100V cover mainly applied with 9 output voltages with an integral structure of protection cover· Simple wiring without screw-off

    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 0.2 ~ 0.3 AC100-110-120 Single-phase/Double-winding A type Up screw type terminal block 110 ~ 115 Available NA - 108 ~ 128 116 ~ 128
    From: 2,419,258 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.

    M41 Series, Multi-Transformer

    M41 Series, Multi-Transformer

    SWALLOW ELECTRIC

    Multi-transformer with ±tap P· 400V /S· 100V cover mainly applied with 9 output voltages with an integral structure of protection cover· Simple wiring 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)
    AC380-400-420-440-460-480 0.2 ~ 0.3 AC100-110-120 Single-phase/Double-winding A type Up screw type terminal block 110 ~ 115 Available NA - 108 ~ 128 116 ~ 128
    From: 1,875,917 VND
    Days to Ship: Số ngày giao hàng: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    M42 Series, Multi-Transformer

    M42 Series, Multi-Transformer

    SWALLOW ELECTRIC

    Multi-transformer with ±tap P· 400V /S· 200V cover mainly applied with 9 output voltages with an integral structure of protection cover· Simple wiring 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)
    AC380-400-420-440-460-480 0.2 ~ 0.3 AC200-220-240 Single-phase/Double-winding A type Up screw type terminal block 110 ~ 115 Available NA - 108 ~ 128 116 ~ 128
    From: 1,875,917 VND
    Days to Ship: Số ngày giao hàng: 6 Day(s) or more
    day to ship 6 Day(s) or more
BrandNhãn hiệu
Product SeriesDòng sản phẩm
CADCAD
From
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.

    SG11-E Series, Power Supply Transformer

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

        Power Supply Transformer, SG21-E Series

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

            Multi transformer with M21LED series

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

                M41 Series, Multi-Transformer

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

                    M42 Series, Multi-Transformer
                      BrandNhãn hiệu

                      SWALLOW ELECTRIC

                      SWALLOW ELECTRIC

                      SWALLOW ELECTRIC

                      SWALLOW ELECTRIC

                      SWALLOW ELECTRIC

                      Product SeriesDòng sản phẩm

                      SG11-E Series, Power Supply Transformer

                      Power Supply Transformer, SG21-E Series

                      Multi transformer with M21LED series

                      M41 Series, Multi-Transformer

                      M42 Series, Multi-Transformer

                      CADCAD
                      • 2D
                      • 2D
                      From

                      1,858,080 VND

                      1,790,344 VND

                      2,419,258 VND

                      1,875,917 VND

                      1,875,917 VND

                      Days to ShipSố ngày giao hàng 6 Day(s) or more 6 Day(s) or more 24 Day(s) or more 6 Day(s) or more 6 Day(s) or more
                      Primary voltage(V)AC100-110-120AC190-200-210AC190-200-210-220-230-240AC380-400-420-440-460-480AC380-400-420-440-460-480
                      Capacity(kVA)0.1 ~ 0.30.1 ~ 0.30.2 ~ 0.30.2 ~ 0.30.2 ~ 0.3
                      Secondary voltage(V)AC100-110-120AC100-110-115AC100-110-120AC100-110-120AC200-220-240
                      Number of phases/windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-winding
                      Insulation typeA typeA typeA typeA typeA type
                      Input/output terminal shapeUp screw type terminal blockUp screw type terminal blockUp screw type terminal blockUp screw type terminal blockUp screw type terminal block
                      Dimension vertical(mm)102 ~ 117102 ~ 117110 ~ 115110 ~ 115110 ~ 115
                      Shield presenceAvailableAvailableAvailableAvailableAvailable
                      With/without CaseNANANANANA
                      Representative Standard-----
                      Dimension width(mm)96 ~ 12896 ~ 128108 ~ 128108 ~ 128108 ~ 128
                      Dimension depth(mm)103 ~ 131103 ~ 131116 ~ 128116 ~ 128116 ~ 128

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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.