Denki Keiki Co.
Denki Keiki Co., Ltd. Various General-Purpose High And Low Voltage Molded Transformers
Manufacturer: Denki Keiki Co., Ltd.
Model: Various General-Purpose High And Low Voltage Molded Transformers
Features
- Our standard epoxy casting molded transformers are available in the following configurations:
- Low-voltage single-phase: 50VA to 30kVA.
- Low-voltage three-phase: 5 to 50kVA.
- High-voltage single-phase: 3 to 30kVA.
- High-voltage three-phase: 5 to 50kVA.
- Low-voltage molded transformers that do not use casting molds are available on a made-to-order basis.
◆ Single-phase, three-phase, high-pressure mold transformer
| Type | Capacity (kVA) | A | B | C | D | E | F | H | Weight (kg) |
| ET- 3KE (H) | 3 | 300 | 145 | 250 | 12×17 | 90 | 108 | 420 | 45 |
| ET- 5KE (H) | 5 | 330 | 150 | 250 | 12×17 | 110 | 113 | 470 | 65 |
| ET- 7KE (H) | 7.5 | 360 | 160 | 270 | 12×17 | 120 | 123 | 510 | 80 |
| Type | Capacity (kVA) | A | B | C | D | E | F | H | Weight (kg) |
| ET-10KE (H) | 10 | 400 | 330 | 320 | 14 | 230 | 270 | 570 | 110 |
| ET-15KE (H) | 15 | 430 | 340 | 350 | 14 | 260 | 280 | 600 | 140 |
| ET-20KE (H) | 20 | 470 | 360 | 390 | 14 | 290 | 300 | 670 | 190 |
| ET-30KE (H) | 30 | 530 | 390 | 450 | 14 | 320 | 330 | 740 | 260 |
| Type | Capacity (kVA) | A | B | C | D | E | F | H | Weight (kg) |
| ETT-5KE (H) | 5 | 450 | 145 | 250 | 12×17 | 230 | 108 | 420 | 65 |
| ETT-7KE (H) | 7.5 | 500 | 150 | 250 | 12×17 | 260 | 113 | 470 | 90 |
| ETT-10KE (H) | 10 | 540 | 160 | 270 | 12×17 | 270 | 123 | 510 | 110 |
| Type | Capacity (kVA) | A | B | C | D | E | F | H | Weight (kg) |
| ETT-15KE (H) | 15 | 600 | 330 | 320 | 14 | 300 | 270 | 570 | 165 |
| ETT-20KE (H) | 20 | 660 | 340 | 350 | 14 | 350 | 280 | 600 | 215 |
| ETT-30KE (H) | 30 | 700 | 360 | 390 | 14 | 390 | 300 | 670 | 280 |
| ETT-50KE (H) | 50 | 800 | 390 | 450 | 14 | 450 | 330 | 740 | 380 |
◆ET-7KL/ETT-10KL
- Wiring Diagram
| Applicable Standards | JIS C 6436 ・・・・・・50VA 〜 750VA JIS C 5310 JEC-2200 ・・・・・・1kVA 〜 50kVA |
| Heat Resistance Class | 50VA 〜 1kVA ・・・・・・Class A 3kVA 〜 50kVA ・・・・・・Class B |
| Rated Usage | Continuous Rated Product |
| Ambient Temperature | -5°C 〜 40°C (No condensation) |
| Rated Frequency | 50Hz, 60Hz |
| Rated Voltage | 500V or less |
| Tap Voltage | Please specify the rated tap. If no indication is given, the highest voltage will be considered as the rated value with reduced capacity. |
| Plate Name | English |
| Wiring Type | Y-Y, Y-Δ, Δ-Y, Δ-Δ, others Note: If no indication is provided, the neutral point of the wiring is not connected. If no indication is provided, the wiring type will be Y-Δ. |
| Options | Contact prevention board, heat treatment, case included, heat resistance class F |
◆ET-20KE/ETT-10KE
- Wiring Diagram
| Applicable Standards | JEC-2200 ※ Not applicable to top-runner transformers (JEM1501, 2014) |
| Heat Resistance Class | Class B |
| Rated Usage | Continuous rated product |
| Ambient Temperature | -5°C to 40°C (No condensation) |
| Rated Frequency | 50Hz, 60Hz |
| Rated Voltage | 3300V, 6600V |
| Tap Voltage | Please specify the rated tap. If no indication is given, the highest voltage will be considered as the rated value with reduced capacity. |
| Plate Name | English |
| Insulation Strength | 3300V-LI45kV AC16kV, 6600V-LI60kV AC22kV |
| Contact Prevention Plate | Included |
| Wiring Method | Please specify the wiring method. Y-Y, Y-Δ, Δ-Y, Δ-Δ, others ※ If no indication is given, the neutral point is not connected. ※ If no indication is given, the wiring method will be Y-Δ. |
| Production Unavailability | Production not possible after April 2007 for distribution applications (Applies to single-phase 10kVA or higher, three-phase 20kVA or higher) |
| Options | Heat treatment, case included, heat resistance class F |
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