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The applications of high-voltage molded transformers are for general power use or lighting, while the applications of extra-high-voltage molded transformers are for general power use or spot networks. The main features include "excellent fire prevention," "high reliability," "compact and lightweight design," and "earthquake resistance." (1) Excellent fire prevention: They use insulation materials with excellent self-extinguishing properties, which contribute to fire prevention due to their flame-retardant nature and simplify fire extinguishing equipment. (2) High reliability: The winding parts are molded with vacuum-cast epoxy resin, providing excellent mechanical strength against partial discharge characteristics, moisture resistance, dust resistance, and short-circuit strength. (3) Compact and lightweight design: By adopting circular or oval coils, we provide equipment that is optimal for installation conditions. (4) Earthquake resistance: High-voltage molded transformers are designed to standardly withstand seismic intensity up to 2.0. Additionally, to suppress relative displacement with panels and other equipment, they are equipped with fixed seats for relative displacement suppression as standard. (5) Heat resistance class: High-voltage molded transformers are of class F (95K), while extra-high-voltage molded transformers are of class F (95K) or class H (120K).
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basic information
**Common Specifications for High Voltage Molded Transformers** ■ Rated Voltage High Voltage Winding: 75kVA and above (F6750-R6600-F6450-F6300-6150V) 50kVA and below (R6600-F6300-6000V) Low Voltage Winding: Single Phase: 210V-105V Three Phase: 210V, 240-242V (50Hz), 440-254V (60Hz) ■ Rated Capacity: Single Phase: 10-500kVA Three Phase 210V: 20-2000kVA, Three Phase 400V: 75-2000kVA ■ Number of Phases: Three Phase or Single Phase (3 wires) ■ Cooling Method: Self-Cooling (AN) **Common Specifications for Special High Voltage Molded Transformers** ■ Rated Voltage High Voltage Winding: 33kV (F34.5-R33.0-F31.5-F30.0kV) 22kV (F23.0-R22.0-F21.0-F20.0kV) Low Voltage Winding: High Voltage: 6.6kV or 3.3kV, Low Voltage: below 600V ■ Rated Capacity (Connection): 1000-3500kVA (Dd0), 4000-10000kVA (Yd1) ■ Number of Windings: 2 Windings (High Voltage/Low Voltage) or 3 Windings (High Voltage/Low Voltage x 2 Windings) ■ Cooling Method: Self-Cooling (AN) or Air-Cooled (AF)
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Applications/Examples of results
【High Voltage Molded Transformer】 ■Application: General power use or lighting use ■Installation location: Indoor 【Super High Voltage Molded Transformer】 ■Application: General power use or spot network use ■Installation location: Indoor
Company information
Since its establishment in 1980, our company has been engaged in the sale of various electrical equipment and devices, primarily focusing on products from Nissin Electric. We continually seek and provide the best products to ensure maximum customer satisfaction, contributing to society tomorrow. We also strive to maintain sufficient communication with our customers and will continue to provide products and services that meet their satisfaction. Please feel free to contact us through our website if you have any requests. Visit the Nissin Electric Trading Co., Ltd. website at http://nds.nissin.co.jp/
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