It is a product that excels in insulation and electrical properties, and is compact and lightweight.
The "ET Series Single-Phase Transformer" boasts excellent insulation and electrical characteristics, and is an average of 15% smaller and lighter compared to the S Series (Type A insulation) single-phase transformers manufactured by Chuo Electric Industrial Co., Ltd. Due to its terminal block structure, wiring work can be easily performed. We offer a wide range of standard products with various rated capacities to meet our customers' needs. 【Features】 ○ E-type insulated single-phase transformer ○ Compliance standards: JIS-C6436, JEM-1333, JEC-204 For more details, please contact us or download the catalog.
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basic information
【Usage Conditions】 ○ Ambient Temperature: -10℃ to +40℃ (provided that crystallization and condensation do not occur) ○ Ambient Humidity: 45 to 85% RH ○ Altitude: Below 1000m 【Application Range】 ○ Coil Structure: Multi-winding insulated transformer ○ Noise: Below 66 dB(A) ○ Voltage: Below 600V ○ Frequency: Compatible with 50/60Hz ○ Polarity: Non-polarized ○ Dielectric Strength → Maximum Operating Current below 60V: Test Voltage 1000V for 1 minute → Maximum Operating Current exceeding 60V and below 300V: Test Voltage 2000V for 1 minute → Maximum Operating Current exceeding 300V and below 600V: Test Voltage 2500V for 1 minute ○ Winding Temperature Rise Limit: Below 70K ○ Maximum Number of Taps: According to dimension table ○ Maximum Current: According to dimension table ○ Tap Indication: Based on voltage indication 【Special Specifications (as specified each time)】 ○ Touch Prevention Plate, Electrostatic Shield: Display "ES" next to the nameplate → For ET-12 and below, provide "E" tap on the terminal block for connection → For ET-13 and above, connect to the grounding terminal of the lower clamp ○ Tropical Treatment: Display "TM" next to the nameplate ● For more details, please contact us or download the catalog.
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Company information
We, Chuo Electric Industry Co., Ltd., are engaged in the development of transformers in fields such as elevators, industrial and communication equipment, and power distribution. Among these, we are particularly focused on special transformers and reactors that require high functionality, high precision, and high added value. These are used in the core components of cutting-edge electronics products, including elevators, management systems, inverter control systems, and emergency power supplies. Consequently, the demands for our products are stringent, and it goes without saying that high technology is required, especially as we increasingly engage in joint development with major companies. Notable achievements include the elevators in the Tokyo Metropolitan Government Building and the Yokohama Landmark Tower. Since our founding, we have been dedicated to transformers, and as a development-oriented company that also looks at related peripheral equipment under the theme of power supply, we will continue to challenge ourselves to create high added value products in collaboration with our customers.