ヒラヰ電計機 List of Products and Services

The "Operation Transformer EPT-KA Series" is a transformer specifically designed for high voltage 6.9kV circuits. The standard lineup includes "1kVA," "2kVA," "3kVA," and "5kVA," tailored to various applications. The limit voltage fluctuation is set at 15%, ensuring a safe, reliable, and high-quality design. Custom manufacturing is available to meet various specifications. Please feel free to consult us. 【Features】 ■ Wide range of lineup ■ Custom manufacturing available for various specifications ■ Specifically for high voltage 6.9kV circuits ■ Choice of with or without fuses ■ Limit voltage fluctuation set at 15% *For more details, please refer to the catalog or feel free to contact us.

• Electronic Components
• Machine elements
• Other measurement and measuring equipment

The "EPT-S50C Series" is a low-voltage instrument transformer designed for a maximum voltage of up to 1.15kV, with a standard rating of 50VA. It can also be used for protection relays. This series is manufactured in compliance with JIS and JEC standards, but products can also be made according to overseas standards upon request. Please feel free to contact us for inquiries. 【Features】 ■ Usable for protection relays ■ Maximum voltage of up to 1.15kV ■ Standard 50VA for low-voltage instruments ■ Immediate delivery ■ Products can also be manufactured according to overseas standards *For more details, please refer to the catalog or feel free to contact us.

• Electronic Components
• Machine elements
• Other measurement and measuring equipment

The "ECT-40 Series" is an epoxy-molded product series with a capacity of only 40VA. It is designed with a large through-window, allowing for direct conductor penetration even when crimp terminals are already attached, making it suitable for low-voltage meter current transformers. This series is manufactured in compliance with the basic JIS-C-1731-1 standard, but products can also be made according to overseas standards such as IEC upon request. Please feel free to consult us. 【Features】 ■ Reliable anti-vibration base structure ■ Usable even in environments with continuous vibration ■ Can be used not only for measurement but also for protection ■ Large diameter allowing for penetration up to 150mm busbars ■ Products can also be manufactured according to overseas standards such as IEC *For more details, please refer to the catalog or feel free to contact us.

• Electronic Components
• Machine elements
• Other measurement and measuring equipment

The "CTC-NR Series" is a current transformer for low-voltage instruments that can reduce the workload of wire winding. It uses a heat-resistant ABS resin case for its exterior, making it lightweight and easy to handle. This series is manufactured in accordance with the basic JIS-C-1731-1 standard, but products can also be made according to overseas standards such as IEC upon request. Please feel free to consult us. 【Features】 ■ Installation direction can be easily changed ■ Can use 600V vinyl wire for primary through conductors ■ Can be manufactured according to overseas standards ■ Uses a heat-resistant ABS resin case for the exterior ■ Lightweight and easy to carry *For more details, please refer to the catalog or feel free to contact us.

• Electronic Components
• Machine elements
• Other measurement and measuring equipment

This catalog is a product introduction from Hiraï Electric Instrument Co., Ltd., which mainly manufactures and sells dry-type and molded instrument transformers, special transformers, resin products, and more. We offer a wide range of instrument transformers, including "Round Window Through Type Double Molded Current Transformers" and "Square Window Through Type Double Molded Current Transformers," as well as instrument voltage transformers and current transformers. [Contents] ■ Features of Hiraï Electric Instrument Co., Ltd. ■ Instrument Current Transformers (for maximum voltage circuits up to 1.15kV) ■ Instrument Voltage Transformers (for maximum voltage circuits up to 1.15kV) ■ Instrument Current Transformers (for maximum voltage circuits up to 3.45kV/7.2kV) ■ Instrument Voltage Transformers (for maximum voltage circuits up to 3.45kV/7.2kV) ■ Instrument Current Transformers (for maximum voltage circuits up to 34.5kV (Class above special high voltage)) ■ Instrument Voltage Transformers (for maximum voltage circuits up to 34.5kV (Class above special high voltage)) ■ Zero Sequence Current Transformers ■ Auxiliary Current Transformers, Synthetic Current Transformers, Auxiliary Voltage Transformers ■ Split-type Current Transformers ■ Large Diameter, High Current Bushing CT ■ Reactors for Inverters *For more details, please refer to the catalog or feel free to contact us.

• Electronic Components
• Machine elements
• Other measurement and measuring equipment

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)

• Transformers
• power supply
• Board materials

Starting from a minimum of 60A, the lineup reduces the workload of wire winding. It uses a heat-resistant ABS resin case for the exterior, making it lightweight and easy to handle. This series is primarily manufactured in compliance with JIS C 1731-1, but products can also be made according to overseas standards such as IEC upon request. Production locations: Made in China / Korea / Japan (Kyoto) Design registration number: 1402960

• Transformers
• Board materials
• Control Panel

This is a standard instrument transformer rated for a load of 50VA, suitable for circuits with a maximum voltage of up to 7.2kV/6.9kV. As of 2012, it has a delivery record of 50 years since production began, making it one of the long-established epoxy-molded instrument transformers in Japan. It is primarily compliant with JIS/JEC standards, but can also accommodate overseas standards upon request. Production location: Made in Japan (Kyoto).

• Transformers
• power supply
• Board materials

This is a current transformer for circuits with a maximum voltage of up to 7.2kV/6.9kV. For overcurrent intensity of 500 times/1 second and overcurrent constant n>10, you can use model ECT-1000A1. For overcurrent intensity of 800 times/1 second and overcurrent constant n>5, you can use model ECT-1000A. The basic design complies with JIS C 1731-1/JEC-1201, but we can accommodate special specifications such as multiple taps or tertiary windings upon request. Place of production: Made in Japan (Kyoto).

• Transformers
• Sensors
• Board materials

This is a current transformer for circuits with a maximum voltage of up to 7.2kV/6.9kV. If you require an overcurrent intensity of 150 times/1 second and an overcurrent constant of n>10, you can use this series. It is primarily manufactured in accordance with JIS C 1731-1/JEC-1201, but we can also accommodate special specifications such as multiple taps or tertiary windings upon request. Production location: Made in Japan (Kyoto)

• Transformers
• Control Panel
• Solar power generator

Current Transformers for Cubicle-Type High Voltage Receiving Equipment ECT-S12.5KA Series Common Specifications ■ Compliance Standards: JIS C 4620 (Appendix) ■ Rated Current: 10A/5A, 15A/5A, 20A/5A, 25A/5A, 30A/5A, 40A/5A, 50A/5A 75A/5A, 100A/5A, 120A/5A, 150A/5A, 200A/5A ■ Rated Burden: 10VA or 25VA or 40VA ■ Rated Overcurrent Constant: n>10 ■ Rated Frequency: 50Hz/60Hz ■ Accuracy Class: 1.0/1PS ■ Rated Short-Circuit Current: (1) ECT-S12.5KA-A Series = 12.5kA/0.125s or 12.5kA/0.16s common (2) ECT-S12.5KA-B Series = 12.5kA/0.25s

• Transformers
• Solar power generator
• Sensors

This is a current transformer for circuits with a maximum voltage of up to 7.2kV/6.9kV. If you require an overcurrent intensity of 75 times/1 second and an overcurrent constant of n>10, you can use this series. It is primarily manufactured in accordance with JIS C 1731-1/JEC-1201, but we can accommodate special specifications such as multiple taps or tertiary windings upon request. Production location: Made in Japan (Kyoto)

• Transformers
• Sensors

Our company utilizes the special transformer development technology, epoxy molding technology, and fusion technology of thermally conductive resins and recycled resins that we have cultivated over many years to contribute to resource conservation, energy saving, and recycling. We offer a wide variety of products, including current transformers, voltage transformers, and high-voltage insulating resin insulators. For more details, please download the catalog!

• Converters and Transducers
• Other electronic parts