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Transformers（Input/output terminal shape：Screw terminal block）

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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Brand	AIHARA (13) KAMADASIGNAL (1) SWALLOW ELECTRIC (0) TOYOGIKEN (1) TOYOZUMI (3)
CAD	2D 3D
Days to Ship	All 5 Day(s) or Less 6 Day(s) or Less 12 Day(s) or Less 13 Day(s) or Less 15 Day(s) or Less Others

18 items

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: 30; 45; 60

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Transformer NYSB Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 380V 400V 420V 440V secondary voltage 200V 220V 240V with shield (E)

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	Dimension width(mm)	Dimension depth(mm)
380	0.05 ～ 3	200	Single-phase/Double-winding	A type	Screw terminal block	88 ～ 220	Available	NA	88 ～ 153	99 ～ 235

From: ₹ 4,760.76
Days to Ship: 19 Day(s) or more

19 Day(s) or more

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Transformer EP Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 200V 220V secondary voltage 100V 110V built-in self-holding thermal protector with shield (E).

[Features]
· To improve the security of electronic equipment, once the setting temperature for non-automatic recovery (bimetallic element) is reached, snap action (switch) is disconnected, and electronic grounding is in parallel. To avoid the heat inverted by bi-metal from the PTC heater's switch-on, the connection is disconnected till the power of transformer or electronic equipment is off.
· Ceramics PTC (automatic temperature adjustment) built-in.
· EN standards (a voltage maintenance type device for preventing excessive temperature rises).
· Satisfies the requirement for holding a temperature of -20° at 250 VAC.
· UL specifications with requirement of "0°C-keeping" is satisfied when 125/250Vac is applied.
· Voltage range AC90V to 250V (exclusively for AC circuit)

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	Dimension width(mm)	Dimension depth(mm)
200	0.3 ～ 1	100	Single-phase/Double-winding	A type	Screw terminal block	120 ～ 156	Available	NA	120 ～ 153	120 ～ 175

From: ₹ 10,654.93
Days to Ship: 19 Day(s) or more

19 Day(s) or more

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Single-Phase Multiple-Winding Transformer, SD21 Series

TOYOZUMI

Here is the 200V switching to 100V step-down transformer. For all equipment types P-S gap shield is attached. It is made to prevent power supply noise.

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	Dimension width(mm)	Dimension depth(mm)
240	0.05 ～ 5	115	Single-phase/Double-winding	A type / B Type	Screw terminal block	80 ～ 224.5	Available	NA	79 ～ 224	94 ～ 247

From: ₹ 6,571.47
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Transformer N38A Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 380V 400V 415V secondary voltage 100V 110V 115V with shield (E)

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	Dimension width(mm)	Dimension depth(mm)
380	0.05 ～ 2	100	Single-phase/Double-winding	A type	Screw terminal block	88 ～ 215	Available	NA	85 ～ 153	99 ～ 215

From: ₹ 4,842.47
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Transformer N42A Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 420V 440V 460V 480V secondary voltage 100V 110V 115V with shield (E)

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	Dimension width(mm)	Dimension depth(mm)
420	0.05 ～ 3	100	Single-phase/Double-winding	A type	Screw terminal block	88 ～ 220	Available	NA	88 ～ 153	99 ～ 235

From: ₹ 5,021.95
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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Singe-Phase Single-Winding Transformer, STP-A series

KAMADASIGNAL

[Attention]
· Picture is representative image.
· Made by Kamata signal machine
· Capacity is series of 100VA to 10KVA.

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	Dimension width(mm)	Dimension depth(mm)
AC200-220	0.1 ～ 0.5	AC100-110	Single-phase/single-winding	A type	Screw terminal block	87 ～ 109	NA	NA	79 ～ 106	88 ～ 118

From: ₹ 3,599.47
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Transformer TRH-S Series

TOYOGIKEN

A transformer built for safety, equipped with electrostatic shielding as standard.

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	Dimension width(mm)	Dimension depth(mm)
AC0-380-400-440 ～ AC0-200-210-220	0.2 ～ 1.5	AC0-200-220 ～ AC0-100-105-110	Single-phase/Double-winding	B Type	Screw terminal block	110 ～ 175	Available	NA	101 ～ 159	103 ～ 203

From: ₹ 7,416.58
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Single-Phase Single-Winding Transformer AD21 Series

TOYOZUMI

Here is the 200V switching to 100V step-down transformer. Insulation between input and output is unneeded. Therefore it is best for customers who want to decrease the space control panel is taking.

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	Dimension width(mm)	Dimension depth(mm)
240	0.05 ～ 5	115	Single-phase/single-winding	A type / B Type	Screw terminal block	71 ～ 172	NA	NA	68 ～ 178	86 ～ 186

From: ₹ 4,390.93
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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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	Dimension width(mm)	Dimension depth(mm)
220	0.05 ～ 5	110	Single-phase/Double-winding	E Type / F type	Screw terminal block	81 ～ 209	Available	NA	68 ～ 224	86 ～ 247

From: ₹ 4,708.36
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Transformer 8YSB Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 380V 400V 415V secondary voltage 200V 220V with shield (E)

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	Dimension width(mm)	Dimension depth(mm)
380	0.05 ～ 2	200	Single-phase/Double-winding	A type	Screw terminal block	88 ～ 215	Available	NA	88 ～ 153	99 ～ 215

From: ₹ 4,608.07
Days to Ship: 19 Day(s) or more

19 Day(s) or more

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Transformer FRB Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 200V 220V secondary voltage 24V 26V with shield (E)

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	Dimension width(mm)	Dimension depth(mm)
200	0.05 ～ 0.1	24	Single-phase/Double-winding	A type	Screw terminal block	88 ～ 96	Available	NA	85 ～ 86	94 ～ 109

From: ₹ 4,209.93
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Transformer SPA Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 100V 110V 120V secondary voltage 100V 110V 120V with shield (E)

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	Dimension width(mm)	Dimension depth(mm)
100	0.1	100	Single-phase/Double-winding	A type	Screw terminal block	107	Available	NA	105	104

From: ₹ 6,337.75
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Transformer 4YSB Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 420V 440V 460V 480V secondary voltage 200V 220V with shield (E)

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	Dimension width(mm)	Dimension depth(mm)
420	0.05 ～ 3	200	Single-phase/Double-winding	A type	Screw terminal block	88 ～ 220	Available	NA	88 ～ 153	99 ～ 235

From: ₹ 5,008.56
Days to Ship: 15 Day(s) or more

15 Day(s) or more

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Transformer FRA Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 100V 110V secondary voltage 24V 26V with shield (E)

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	Dimension width(mm)	Dimension depth(mm)
100	0.05 ～ 0.1	24	Single-phase/Double-winding	A type	Screw terminal block	88 ～ 96	Available	NA	85 ～ 86	94 ～ 109

From: ₹ 4,209.93
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Transformer NYSA Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 380V 400V 420V 440V secondary voltage 100V 115V with shield (E)

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	Dimension width(mm)	Dimension depth(mm)
380	0.05 ～ 3	100	Single-phase/Double-winding	A type	Screw terminal block	88 ～ 220	Available	NA	88 ～ 153	99 ～ 235

From: ₹ 4,691.13
Days to Ship: 19 Day(s) or more

19 Day(s) or more

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Transformer UP Series

AIHARA

Single-phase compound / P-type terminal block, primary voltage 100V 110V secondary voltage 200V 220V with shield (E)

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	Dimension width(mm)	Dimension depth(mm)
100	0.055 ～ 0.5	200	Single-phase/Double-winding	A type	Screw terminal block	88 ～ 156	Available	NA	85 ～ 153	94 ～ 135

From: ₹ 4,224.65
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Transformer NSR Series

AIHARA

Single phase transformer / P-type terminal block, primary voltage 200V 220V 240V secondary voltage 100V 115V

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	Dimension width(mm)	Dimension depth(mm)
200	0.5	100	Single-phase/single-winding	A type	Screw terminal block	120	NA	NA	120	120

From: ₹ 9,022.20
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Transformer CLB Series

AIHARA

Compact product with size and weight are 20-40% less than other brand. The voltage number was marked in different colors on terminal block to avoid faulty wiring.

[Features]
· 1kVA The corresponding class of 3 kg decreased.
· Connection terminal block is summoned on one side to improve the efficiency of wiring.
· The voltage number was marked in different colors on terminal block to avoid faulty wiring.

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	Dimension width(mm)	Dimension depth(mm)
200	3 ～ 5	100	Single-phase/Double-winding	B Type	Screw terminal block	187 ～ 227	Available	NA	180 ～ 210	210 ～ 220

From: ₹ 46,174.53
Days to Ship: 23 Day(s) or more

23 Day(s) or more


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
Dimension width(mm)
Dimension depth(mm)

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Brand	AIHARA	AIHARA	TOYOZUMI	AIHARA	AIHARA	KAMADASIGNAL	TOYOGIKEN	TOYOZUMI	TOYOZUMI	AIHARA	AIHARA	AIHARA	AIHARA	AIHARA	AIHARA	AIHARA	AIHARA	AIHARA
Product Series	Transformer NYSB Series	Transformer EP Series	Single-Phase Multiple-Winding Transformer, SD21 Series	Transformer N38A Series	Transformer N42A Series	Singe-Phase Single-Winding Transformer, STP-A series	Transformer TRH-S Series	Single-Phase Single-Winding Transformer AD21 Series	Single-Phase Multiple-Winding Transformer, LD21 Series	Transformer 8YSB Series	Transformer FRB Series	Transformer SPA Series	Transformer 4YSB Series	Transformer FRA Series	Transformer NYSA Series	Transformer UP Series	Transformer NSR Series	Transformer CLB Series
CAD	2D	2D		2D	2D					2D	2D	2D	2D	2D	2D	2D	2D
From	₹ 4,760.76	₹ 10,654.93	₹ 6,571.47	₹ 4,842.47	₹ 5,021.95	₹ 3,599.47	₹ 7,416.58	₹ 4,390.93	₹ 4,708.36	₹ 4,608.07	₹ 4,209.93	₹ 6,337.75	₹ 5,008.56	₹ 4,209.93	₹ 4,691.13	₹ 4,224.65	₹ 9,022.20	₹ 46,174.53
Days to Ship	19 Day(s) or more	19 Day(s) or more	5 Day(s) or more	5 Day(s) or more	12 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	19 Day(s) or more	5 Day(s) or more	5 Day(s) or more	15 Day(s) or more	5 Day(s) or more	19 Day(s) or more	5 Day(s) or more	5 Day(s) or more	23 Day(s) or more
Primary voltage(V)	380	200	240	380	420	AC200-220	AC0-380-400-440 ～ AC0-200-210-220	240	220	380	200	100	420	100	380	100	200	200
Capacity(kVA)	0.05 ～ 3	0.3 ～ 1	0.05 ～ 5	0.05 ～ 2	0.05 ～ 3	0.1 ～ 0.5	0.2 ～ 1.5	0.05 ～ 5	0.05 ～ 5	0.05 ～ 2	0.05 ～ 0.1	0.1	0.05 ～ 3	0.05 ～ 0.1	0.05 ～ 3	0.055 ～ 0.5	0.5	3 ～ 5
Secondary voltage(V)	200	100	115	100	100	AC100-110	AC0-200-220 ～ AC0-100-105-110	115	110	200	24	100	200	24	100	200	100	100
Number of phases/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/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/Double-winding	Single-phase/Double-winding	Single-phase/single-winding	Single-phase/Double-winding
Insulation type	A type	A type	A type / B Type	A type	A type	A type	B Type	A type / B Type	E Type / F type	A type	A type	A type	A type	A type	A type	A type	A type	B Type
Input/output terminal shape	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block	Screw terminal block
Dimension vertical(mm)	88 ～ 220	120 ～ 156	80 ～ 224.5	88 ～ 215	88 ～ 220	87 ～ 109	110 ～ 175	71 ～ 172	81 ～ 209	88 ～ 215	88 ～ 96	107	88 ～ 220	88 ～ 96	88 ～ 220	88 ～ 156	120	187 ～ 227
Shield presence	Available	Available	Available	Available	Available	NA	Available	NA	Available	Available	Available	Available	Available	Available	Available	Available	NA	Available
With/without Case	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Dimension width(mm)	88 ～ 153	120 ～ 153	79 ～ 224	85 ～ 153	88 ～ 153	79 ～ 106	101 ～ 159	68 ～ 178	68 ～ 224	88 ～ 153	85 ～ 86	105	88 ～ 153	85 ～ 86	88 ～ 153	85 ～ 153	120	180 ～ 210
Dimension depth(mm)	99 ～ 235	120 ～ 175	94 ～ 247	99 ～ 215	99 ～ 235	88 ～ 118	103 ～ 203	86 ～ 186	86 ～ 247	99 ～ 215	94 ～ 109	104	99 ～ 235	94 ～ 109	99 ～ 235	94 ～ 135	120	210 ～ 220

Configure

Specification/Dimensions

Primary voltage(V)
AC0-380-400-440

0-200

AC0-200-210-220

100

AC100

AC100-220

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 to 240

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

220

AC220

220-200-0

AC220 to 230

AC220 to 240

240

AC240

380

AC380-400-440

AC380-400-420-440-460-480

AC380-400-415-440

420
Clear

Capacity(kVA)
0.01

0.02

0.03

0.05

0.055

0.06

0.064

0.1

0.12

0.15

0.2

0.3

0.3A

0.35

0.4

0.5

0.5 or Less

0.5A

0.51

0.55

0.6

0.7

0.75

1

1A

1.5

2

2A

3

3A

4

5

5A

6

7.5

8

10

10A

12

15

20

50
Clear

Secondary voltage(V)
AC0-200-220

0-100

AC0-100-105-110

AC6-8-10-12

AC10-12

AC12

AC12-15-20-24

AC14-16-18-20

24

AC24

AC24-32-35-38

28

100

AC100

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

110

110-100-0

115

117

AC120

200

AC200

AC200-220

AC200-220-240

AC200-220-230-240

220

AC220 to 230

235

AC240
Clear

Number of phases/winding
- Single-phase/single-winding
- Single-phase/Double-winding
- Three-phase/double-winding
- Other
Clear

Insulation type
- A type
- E Type
- B Type
- F type
- H type
Clear

Input/output terminal shape
- Screw terminal block
- Up screw type terminal block
- Other
Clear

Dimension vertical(mm)
35

36

39

41

43

45

50

51

52

55

60

65

67

69

71

80

81

84

87

88

89

92

93

94

95

96

97

98

100

102

103

105

107

109

110

111

112

112.5

113

115

116

116.5

117

118

120

122

127

128

130

131

132

135

140

141

143

144.5

145

147

150

155

155.5

156

158

160

164

170

172

175

176

180

182

183

185

187

190

195

196

197

200

203

209

210

211

215

220

224.5

225

227

230

235

240

248

250

260

265

270

280

295

300

320

350

370

380

400

430

450

460

500

550
Clear

Shield presence
- Available
- NA
Clear

With/without Case
- Available
- NA
Clear

Dimension width(mm)
43

50

51

60

68

69

70

75

76

77

79

80

81

82

85

86

88

90

94

96

99

101

105

106

108

109

110

117

120

122

128

130

133

134

135

136

144

145

146

150

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- Transformers

FAQ Transformers

Question: What is the difference between 1 phase transformers and 3 phase 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: What 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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