Denki Keiki Co.
Denki Keiki Co., Ltd. AT Series For Dry High-Pressure Applications
Manufacturer: Denki Keiki Co., Ltd.
Model: AT Series
Features
- Similar to the high-voltage SR series, the high-voltage AT series utilizes our unique insulation method.
- This method increases the creepage distance and incorporates a complete vacuum impregnation process.
- These improvements result in highly reliable insulation performance.
- Additionally, the high-voltage AT series can withstand harsh environments, including high humidity and dust.
Specifications
| Applicable standards | JEC-2200, JEC-2201 |
| Heat resistance class | B grade |
| Rated use | Short-time rated products |
| Ambient temperature | Ambient temperature below 40°C with daily average temperature below 35°C (no seasonal variations) |
| Rated frequency | 50Hz, 60Hz |
| Rated voltage | 3000V, 3300V, 6000V, 6600V |
| Rated map | 50%~65%~80% |
| Time rating | 0.5 min, 1 min, 2 min, 3 min |
| Insulation frequency | 3300V LI30kV AC10kV, 6600V LI45kV AC16kV |
| Record plate | English |
| Options | With car wheels (AT-3110 to AT-310K, AT-6110 to AT-610K), special taps, heat treatment |
◆AT-3110~AT-310K / AT-6110~AT-610K
◆AT-314K~AT-332K / AT-614K~AT-632K
Related Products
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Denki Keiki Co., Ltd. ATR Series For Dry High And Low Pressure Applications
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Denki Keiki Co., Ltd. SR Series For Dry High-Pressure Applications
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Denki Keiki Co., Ltd. AT Series For Dry Low-Pressure Applications
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Denki Keiki Co., Ltd. AC Reactor
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Denki Keiki Co., Ltd. SR Series For Dry Low-Pressure Applications
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Denki Keiki Co., Ltd. DC Reactor
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