High Voltage Operating Transformer (Operating Transformer) EPT-■K Series
EPT-K Series / Hirai Electric Instrument Co., Ltd.
This is an operating transformer (operating transformer/power transformer) compliant with the standard JEC-2200 (2014) for a maximum voltage circuit up to 6.9kV.
The lineup of fixed capacity includes 1kVA, 2kVA, 2.5kVA, 3kVA, and 5kVA as standard. The 1kVA model can be delivered immediately (shipped within one week after order), while the 2kVA to 5kVA models can be shipped within three weeks (with fuse and contact prevention plate (E) included). The standard price is 38,500 yen (excluding tax). If you are considering regular purchases, please be sure to inform us or your nearby dealer of this intention. Production location: Made in Japan (Kyoto)
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basic information
EPT-■K Series Common Specifications - Compliance Standard: JEC-2200 - Rated Voltage: (1) 6600V/110V (2) 3300V/110V (3) 6600V/220V (4) 3300V/220V - Rated Capacity: (1) 1kVA (2) 2kVA (3) 3kVA (4) 5kVA - Rated Frequency: 50/60Hz - Equipped with contact prevention plate (E) - Fuse-equipped or fuse-less options
Price range
Delivery Time
※It varies depending on the rated voltage and capacity, so please contact us for more information.
Applications/Examples of results
This is a product line with over 30 years of proven performance since production began. Due to the increasing demand for transformers in recent years, we are reintroducing it with improved efficiency and a streamlined lineup.
Line up（4）
| Model number | overview |
|---|---|
| EPT-1KA | Common specifications: 1000VA with fuse and contact prevention plate (E) included. Rated voltage: (1) 6600V/110V (2) 3300V/110V (3) 6600V/220V (4) 3300V/220V. Other ratings (multi-tap) are also available. (1) is available for immediate delivery (shipped within one week after order). (2)(3)(4) Other rated products will be manufactured within 1.5 months after order confirmation. Please refer to the details on our website. |
| EPT-2KA | Common specifications: 2000VA with fuse and contact prevention plate (E) included. Rated voltage: (1) 6600V/220-110V (2) 3300V/220-110V. Secondary voltage direct parallel switching type. Delivery time is within three weeks after order confirmation, and shipment from the Kyoto factory is possible. |
| EPT-3KF | Common specifications: 3000VA with fuse and contact prevention plate (E) included. Rated voltage: (1) 6600V/220-110V (2) 3300V/220-110V. Secondary voltage direct parallel switching type. Delivery time is within three weeks after order confirmation, and shipment from the Kyoto factory is possible. |
| EPT-5KF | Common specifications: 5000VA with fuse and contact prevention plate (E) included. Rated voltage: (1) 6600V/220-110V (2) 3300V/220-110V. Secondary voltage direct parallel switching type. Delivery time is within three weeks after order confirmation, and shipment from the Kyoto factory is possible. |
News about this product（2）
Company information
Our company's history began on February 11, 1921, when our founder, Daisuke Hirai, established a sole proprietorship in Osaka. During World War II, we relocated to Kyoto at the request of Shimadzu Corporation, which was a military supply company for the country. In February 1952, after the war, we established the current company, built and relocated our headquarters and factory in Kyoto, and completed the technology for epoxy molded transformers. In August 2019, we opened a new production base called "Reiwa Keihanna Business Office." In 2020, we obtained ISO 9001 certification, and in February 2021, we celebrated our 100th anniversary by receiving the "66th Shibusawa Award" sponsored by the Japan Electric Association, marking a significant new step forward. Furthermore, without resting on our laurels, we are committed to continuing the fusion of the technologies and innovations we have cultivated over the years to create products that transcend traditional business fields. As a company, we aim to contribute to society by becoming an enterprise capable of supporting various "infrastructures" surrounding society and nurturing the technology and human resources that will carry "Japan's future."
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