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SWALLOW ELECTRIC Transformers（Insulation type：B Type）
Configure
Specification/Dimensions
-
Primary voltage(V)
- AC0-380-400-440
- 0-200
- 0-200-220
- AC0-200-220
- AC0-200-210-220
- AC0-100-110
- 0 → 230 → 400V ac
- 2 x 115V ac
- 15 → 400V ac
- 100
- AC100
- AC100-220
- AC100-220 to 240
- AC100-200
- AC100-120-200-220-240
- AC100-110
- AC100-110-120
- AC100-110-120-200-220-240
- AC100-110-120-200-220-230-240
- AC110 to 130
- AC110～130-220～240
- AC110 to 240
- 115 V ac, 230 V ac
- 115V ac, 230V ac
- AC170 to 260
- AC180-200-220
- AC190-200-210
- AC190-200-210-220-230-240
- 200
- AC200
- AC200-220
- AC200-220-240
- AC200-220-230-240
- AC200-208-220-230-240
- 220
- AC220
- 220-200-0
- AC220 to 230
- AC220 to 240
- 230V ac
- 230 V ac, 245 V ac, 400 V ac, 415 V ac
- 240
- 240V
- AC240
- 380
- AC380-400-440
- AC380-400-420-440-460-480
- AC380-400-415-440
- 415V
- 420
-
Capacity(kVA)
-
Secondary voltage(V)
- AC0-200-220
- 0-100
- 0-100-110
- AC0-100-110
- AC0-100-105-110
- AC0-24-26
- 0 → 240 V, 0 → 270 V
- 0 → 415 V, 0 → 470 V
- 2 x 6V ac
- 2 x 9V ac
- 2 x 12V ac
- 2 x 24V ac
- 2 x 115V ac
- 4 x 0-55-60V ac
- AC6-8-10-12
- 9V ac
- AC10-12
- 12V ac
- AC12
- AC12-15-20-24
- AC14-16-18-20
- 18V ac
- 24
- 24V ac
- AC24
- ±24V ac
- AC24-32-35-38
- 28
- 100
- AC100
- AC100-220 to 240
- AC100-120-200-220-240
- AC100-115
- AC100-115-200
- AC100-110
- AC100-110-120
- AC100-110-120-200-220-240
- AC100-110-120-200-220-230-240
- AC100-110-115
- AC100-110-115-120
- 110
- 110-100-0
- 115
- 117
- AC120
- 200
- AC200
- AC200-220
- AC200-220-240
- AC200-220-230-240
- 220
- AC220 to 230
- 230V ac
- 235
- AC240
-
Number of phases/winding
- Single-phase/single-winding
- Single-phase/Double-winding
- Three-phase/double-winding
- Other
-
Insulation type
- A type
- E Type
- B Type
- F type
- H type
-
Input/output terminal shape
- Screw terminal block
- Up screw type terminal block
- Other
-
Dimension vertical(mm)
-
Shield presence
- Available
- NA
-
With/without Case
- Available
- NA
-
Representative Standard
-
Dimension width(mm)
-
Dimension depth(mm)
Brand |
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| CAD |
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- 23 items
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You can add up to 6 items per a category to the compare list.
SO21 Series Single-Winding Transformer
SWALLOW ELECTRIC
Single-phase winding transformer.
[Features]
· Primary voltage 220 V-200 V-0 / Secondary voltage 110 V-100 V - 0.
· Patented captive screw type terminal block.
· The primary and secondary wires are connected.
· Can connect without removing screws.
[Applications]
· Used to significantly reduce work compared to that for conventional terminal blocks.From: ฿ 17,441.45 Days to Ship: 
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
SU Series Transformer for Domestic / Overseas Use
SWALLOW ELECTRIC
Transformer for both overseas and in Japan.
[Features]
· Single-phase single winding.
· Multi-type transformer.
· Protection function of non-fuse breaker.
· Can be used in different countries with different voltage (with switch for input voltage).
· Output outlet flat pin (A-2) and round pin (C-2) are acceptable.
· With input code 1.3 m.
[Applications]
· Japanese product can be used in overseas and overseas product can be used in Japan.
· Compatible electrical products, AV equipment, personal computers, printers, electric blankets, tableware dryers, refrigerators, kotatsu, rice cookers, hot plates, microwave ovens, etc.From: ฿ 7,444.75 Days to Ship:
1 Day(s)
1 Day(s)
-
You can add up to 6 items per a category to the compare list.
SWALLOW ELECTRIC
Multi transformer.
[Features]
· Single-phase double-winding.
· Primary 0, 190V, 200V, 210V, 220V, 230V, 240V / Secondary 0, 100V, 110V, 120V, E.
· Multi-transformer supports sudden changes in current and voltage.
· By providing ±10V (±20V) terminal on the input side, one transformer can support 6 types of input voltage.
· Easy wiring without removing cover / screws with protective cover and integrated structure terminal block.
[Applications]
· As a power transformer for business use.From: ฿ 12,034.37 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
SB22-E Series Power Transformer
SWALLOW ELECTRIC
Single-phase compound-winding dry type transformer.
[Features]
· Primary voltage 220 V-200 V-0 / Secondary voltage 220 V-200 V-0-E.
· Terminal block (up screw type) integrated with protective cover.
· By connecting without removing the cover and screws, the work is greatly reduced compared to conventional terminal blocks.
[Applications]
· Used for control panels, etc.From: ฿ 12,064.52 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
Single-Phase, Compound-wound, Power Transformer, With Electrostatic Shield, SN22-E Series
SWALLOW ELECTRIC
SN22-E series with a single-phase multiple winding dry type transformer.
[Features]
· Terminal block (up screw type) integrated with protective cover.
· By connecting without removing the cover and screws, the work is greatly reduced compared to conventional terminal blocks.
· Primary side voltage: 240 V - 230 V - 220 V - 200 V-0.
· Secondary side voltage: 240 V - 230 V - 220 V - 200 V-0-E.
· With electrostatic shield.
[Applications]
· As 4 types of each voltage tap are out, suitable when detailed voltage needs to be output.From: ฿ 19,877.77 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
UP Series Portable Transformer
SWALLOW ELECTRIC
Portable transformer with outlet.
[Features]
· Single-phase single winding.
· Compact and lightweight type.
· For boosting.
· Input 100V / output 200V.
· Transformer with built-in toroidal is small and lightweight.
· With input code 2 m.
[Applications]
· For site construction.
· Can be used in temporary sites with different power supply voltages.From: ฿ 10,736.93 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
Single-phase Auto Power Transformer, SOK21 Series
SWALLOW ELECTRIC
Auto transformer that reduced the work from the traditional terminal block drastically.
[Features]
· It enables to make a connection without removing screw since it has a built-in terminal block with screw raising system.
· It is a specification that the primary and secondary winding wires are connected.
· It is a specification that the capacity gets smaller as the voltage ratio of the primary and secondary is close to 1.
· Auto case included.
· Paint color: Munsell 5Y7/1.
[Applications]
· It can be used for auto voltage on the general type of product.From: ฿ 26,658.92 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
SWALLOW ELECTRIC
Multi transformer.
[Features]
· Single-phase double-winding.
· Primary 0, 380V, 400V, 420V, 440V, 460V, 480V/secondary 200V, 220V, 240V, E.
· Support 6 types of input voltage with a transformer by having ±10V (±20V) terminal at the input side.
· Easy wiring without removing cover / screws with protective cover and integrated structure terminal block.
・ Support urgent current voltage change.
· Multi tap.
· Electrostatic shield.
· Ground terminal.
[Applications]
· As a power transformer for business use.From: ฿ 18,348.58 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
SWALLOW ELECTRIC
PD41-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.From: ฿ 19,720.98 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
SWALLOW ELECTRIC
SN21-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.From: ฿ 19,720.98 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
Multi transformer with M41LED series
SWALLOW ELECTRIC
Power active with LED illumination and multi-transformer with ±tap P400V / S100V terminal block cover mainly applied with 9 output voltages with an integral structure of protection cover. Simple wiring without screw-off.
[Features]
· Connection indication, input side has set terminal of ±20V. Therefore one transformer can process 6 input voltagesFrom: ฿ 19,720.98 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
Multi transformer with M42LED series
SWALLOW ELECTRIC
Power active with LED illumination and multi-transformer with ±tap P400V / S200V terminal block cover mainly applied with 9 output voltages with an integral structure of protection cover. Simple wiring without screw-off.
[Features]
· Connection indication, input side has set terminal of ±20V. Therefore one transformer can process 6 input voltagesFrom: ฿ 19,720.98 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
SB11-E Series Power Transformer
SWALLOW ELECTRIC
Single-phase compound-winding dry type transformer.
[Features]
· With electrostatic shield.
· Primary voltage 110V-100V-0 / Secondary voltage 110V-100V-0-E.
· Terminal block integrated with protective cover (screw-up type).
· By connecting without removing the cover and screws, the work is greatly reduced compared to conventional terminal blocks.
[Applications]
· Used for control panels, etc.From: ฿ 18,291.76 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
TB-D Series, Portable Transformer
SWALLOW ELECTRIC
Portable transformer with outlet.
[Features]
· Single-phase single winding.
・ Input: 200V/output: 100V to 115V pressure-lowering use.
· With input code 2 m.
[Applications]
· It can help when the power supply voltage is different at temporary site or having a problem due to voltage drop.From: ฿ 9,270.41 Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
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-offFrom: ฿ 19,588.31 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
SWALLOW ELECTRIC
SJ21-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.From: ฿ 19,437.55 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
Portable Transformer, TBN Series
SWALLOW ELECTRIC
Transformer TBN series for cell phone plug and outlet.
[Features]
· Auto switching device included.
· Input cord 2m included.
· Accessory cord included.
· Input: 100V/200V.
· Output: 100V-115V-200V.
[Applications]
· It can help when the power supply voltage is different at temporary site or having a problem due to voltage drop.
· TBN type can be used at input voltage 100V or 200V.From: ฿ 17,791.59 Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
Power Supply Transformer, PD42-E Series
SWALLOW ELECTRIC
Single-phase rotating dry type of transformer with static shield.
[Features]
· It can be used on control panel, etc.
· Primary voltage: 380-400-415-440 V/secondary voltage: 200-220-240 V-E.From: ฿ 19,720.98 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
SWALLOW ELECTRIC
RTB series, transformer with mobile plug and socket. Can be used in temporary sites with different voltages. Transformer with built-in toroidal is small and light.From: ฿ 14,105.08 Days to Ship:
13 Day(s)
13 Day(s)
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You can add up to 6 items per a category to the compare list.
Power Transformer with LED, SC-EL Series
SWALLOW ELECTRIC
Power supply transformer with LEDs has greatly reduced the work amount compared to conventional terminal blocks.
[Features]
· Wiring is simple without having to remove screws thanks to the terminal block (up-screw type) cover integrated with protective cover.
· Blue LED lights up while power is on.
· single-phase, multiple-turn.
· Electrostatic shield.
[Applications]
· Can be used for control panels, etc.
· Ideal for inspecting inside the panel due to included LED.From: ฿ 18,888.78 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
SG11-E Series, Power Supply Transformer
SWALLOW ELECTRIC
Single-phase compound-winding dry type transformer.
[Features]
· Screw up type terminal block.
· Primary voltage: 120 V-110 V-100 V-0 / Secondary voltage: 120 V - 110 V - 100 V-0-E.
· With electrostatic shield.
· Able to connect without removing threads.
[Applications]
· Used for control panels, etc.From: ฿ 19,437.55 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
Power Supply Transformer, SG21-E Series
SWALLOW ELECTRIC
SG21-E series with single-phase, multiple rotating dry type transformer with electrostatic shield.
[Applications]
· It can be used on control panel, etc.From: ฿ 19,437.55 Days to Ship:
23 Day(s)
23 Day(s)
-
You can add up to 6 items per a category to the compare list.
SWALLOW ELECTRIC
Multi transformer. (multi input and raised screw type terminal block)
[Features]
· Single-phase double-winding.
・ Primary side 0・380V・400V・420V・440V・460V・480V/secondary side 0・100V・110V・120V・E。
・ Support 6 types of input voltage with a transformer by establishing ±20V at the input side.
· Easy wiring without removing cover / screws with protective cover and integrated structure terminal block.
・ Support urgent current voltage change.
[Applications]
· As a power transformer for business use.From: ฿ 18,348.58 Days to Ship:
23 Day(s)
23 Day(s)
| Brand |
|---|
| Product Series |
| CAD |
| From |
| Days to Ship |
| 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.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC | SWALLOW ELECTRIC |
| Product Series | Single-Phase, Compound-wound, Power Transformer, With Electrostatic Shield, SN22-E Series | ||||||||||||||||||||||
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| From | ฿ 17,441.45 | ฿ 7,444.75 | ฿ 12,034.37 | ฿ 12,064.52 | ฿ 19,877.77 | ฿ 10,736.93 | ฿ 26,658.92 | ฿ 18,348.58 | ฿ 19,720.98 | ฿ 19,720.98 | ฿ 19,720.98 | ฿ 19,720.98 | ฿ 18,291.76 | ฿ 9,270.41 | ฿ 19,588.31 | ฿ 19,437.55 | ฿ 17,791.59 | ฿ 19,720.98 | ฿ 14,105.08 | ฿ 18,888.78 | ฿ 19,437.55 | ฿ 19,437.55 | ฿ 18,348.58 |
| Days to Ship | 23 Day(s) | 1 Day(s) | 23 Day(s) | 23 Day(s) | 23 Day(s) | 5 Day(s) | 23 Day(s) | 23 Day(s) | 23 Day(s) | 23 Day(s) | 23 Day(s) | 23 Day(s) | 23 Day(s) | 5 Day(s) | 23 Day(s) | 23 Day(s) | 5 Day(s) | 23 Day(s) | 13 Day(s) | 23 Day(s) | 23 Day(s) | 23 Day(s) | 23 Day(s) |
| Primary voltage(V) | AC200-220 | AC100-120-200-220-240 ～ AC100-110-120-200-220-230-240 | AC190-200-210-220-230-240 | AC200-220 | AC200-220-230-240 | AC100 | AC200-220 | AC380-400-420-440-460-480 | AC380-400-415-440 | AC200-220-230-240 | AC380-400-420-440-460-480 | AC380-400-420-440-460-480 | AC100-110 | AC200 | AC190-200-210-220-230-240 | AC180-200-220 | AC100-200 | AC380-400-415-440 | AC200 | AC200-220 | AC100-110-120 | AC190-200-210 | AC380-400-420-440-460-480 |
| Capacity(kVA) | 5 ～ 15 | 0.55 ～ 2 | 1.5 ～ 2 | 1.5 ～ 2 | 3 | 1 ～ 3 | 5 ～ 15 | 3 ～ 5 | 3 ～ 5 | 3 ～ 5 | 3 ～ 5 | 3 ～ 5 | 3 ～ 5 | 1 ～ 3 | 3 ～ 5 | 3 ～ 5 | 2 ～ 3 | 3 ～ 5 | 2 ～ 3 | 3 ～ 10 | 3 ～ 5 | 3 ～ 5 | 3 ～ 5 |
| Secondary voltage(V) | AC100-110 | AC100-120-200-220-240 ～ AC100-110-120-200-220-230-240 | AC100-110-120 | AC200-220 | AC200-220-230-240 | AC200 | AC100-110 | AC200-220-240 | AC100-110-120 | AC100-110-115 | AC100-110-120 | AC200-220-240 | AC100-110 | AC100-115 | AC100-110-120 | AC100-110-115 | AC100-115-200 | AC200-220-240 | AC100-115 | AC100-110 | AC100-110-120 | AC100-110-115 | AC100-110-120 |
| Number of phases/winding | Single-phase/single-winding | Single-phase/single-winding | Single-phase/Double-winding | Single-phase/Double-winding | Single-phase/Double-winding | Single-phase/single-winding | Single-phase/single-winding | Single-phase/Double-winding | Single-phase/Double-winding | Single-phase/Double-winding | Single-phase/Double-winding | Single-phase/Double-winding | Single-phase/Double-winding | Single-phase/single-winding | Single-phase/Double-winding | Single-phase/Double-winding | Single-phase/single-winding | Single-phase/Double-winding | Single-phase/single-winding | Single-phase/Double-winding | Single-phase/Double-winding | Single-phase/Double-winding | Single-phase/Double-winding |
| Insulation type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type | B Type |
| Input/output terminal shape | Up screw type terminal block / Other | - | Up screw type terminal block | Up screw type terminal block | Up screw type terminal block | - | Up screw type terminal block / Other | Up screw type terminal block | Up screw type terminal block | Up screw type terminal block | Up screw type terminal block | Up screw type terminal block | Up screw type terminal block | - | Up screw type terminal block | Up screw type terminal block | - | Up screw type terminal block | - | Up screw type terminal block | Up screw type terminal block | Up screw type terminal block | Up screw type terminal block |
| Dimension vertical(mm) | 220 ～ 380 | 160 ～ 210 | 190 | 190 | 190 | 200 ～ 230 | 320 ～ 450 | 200 ～ 240 | 200 ～ 240 | 190 ～ 240 | 200 ～ 240 | 200 ～ 240 | 220 ～ 240 | 265 ～ 295 | 200 ～ 240 | 200 ～ 240 | 265 ～ 295 | 200 ～ 240 | 220 ～ 280 | 190 ～ 280 | 200 ～ 240 | 200 ～ 240 | 200 ～ 240 |
| Shield presence | NA | NA | Available | Available | Available | NA | NA | Available | Available | Available | Available | Available | Available | NA | Available | Available | NA | Available | NA | Available | Available | Available | Available |
| With/without Case | NA | Available | NA | NA | NA | Available | Available | NA | NA | NA | NA | NA | NA | Available | NA | NA | Available | NA | Available | NA | NA | NA | NA |
| Representative Standard | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Dimension width(mm) | 200 ～ 260 | 160 ～ 180 | 180 | 180 | 200 | 120 ～ 135 | 280 ～ 360 | 200 ～ 250 | 200 ～ 250 | 200 ～ 250 | 200 ～ 250 | 200 ～ 250 | 200 ～ 250 | 155 ～ 175 | 200 ～ 250 | 200 ～ 250 | 155 ～ 175 | 200 ～ 250 | 120 ～ 135 | 200 ～ 290 | 200 ～ 250 | 200 ～ 250 | 200 ～ 250 |
| Dimension depth(mm) | 180 ～ 270 | 185 ～ 240 | 160 ～ 180 | 170 ～ 190 | 220 | 220 ～ 280 | 350 ～ 500 | 220 ～ 240 | 220 ～ 240 | 220 ～ 240 | 220 ～ 240 | 220 ～ 240 | 190 ～ 240 | 225 ～ 240 | 220 ～ 240 | 220 ～ 240 | 225 ～ 240 | 220 ～ 240 | 200 ～ 230 | 220 ～ 430 | 220 ～ 240 | 220 ～ 240 | 220 ～ 240 |
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Related Categories to 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.
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