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High performance transformer and switchgear are Manufactured using our accumulated know-how,experiences and new technology to respond to ever diversified demands. We are manufacturing various types of transformers, starting from distribution transformer boasting of the best quality with one of the largest quantity in Japan to large scale power transformer. Highly reliable and compact control equipment employing digital technology is also in our product range for various applications including high voltage network distribution and substation. Our quality system has been certified by ISO(International Organization for Standardization)9001 since its registration in 1996(Registration No.JQA-1298).
Through design and manufacturing of various types of small motors and electronic controlled drive system responding to versatile demands, products of this division, such as equipments for industrial use, personal care, house, agriculture, water treatment and powder processing, are contributing to the society.
Transformers

- LARGE SIZE POWER TRANSFORMERS(up to 275kV,200MVA)
- SMALL AND MEDIUM SIZE OIL-IMMERSED DISTRIBUTION TRANSFORMER
- CAST RESIN-ENCAPSULATED TRANSFORMER
- SHUNT REACTOR
- STEP VOLTAGE REGULATOR(SVR)
- OTHER TYPE OF TRANSFORMERS FOR SPECIAL USE

On-Load Tap-Changing Transformer
(147kV 100MVA, Special three-phase Type)

On-Load Tap-Changing Transformer
(154kV 200MVA)
![]() STEP VOLTAGE REGULATOR(SVR) |
Power System Engineering



- SUBSTATION
- TRANSMISSION & DISTRIBUTION LINE
- POWER STATION AUXILIARY SYSTEM
![]() On-Load Tap-Changing Transformers 33kV & 11kV Switchgers |
Renewable Energy Engineering

- WIND-MILL POWER GENERATING SYSTEM
- PHOTOVOLTAIC POWER GENERATING SYSTEM
![]() WIND-MILL POWER GENERATING SYSTEM |
Power Receiving & Distributing Facilities / Control Equipment

- HIGH VOLTAGE SWITCHGEAR
- DIGITAL-TYPE PROTECTIVE RELAY DEVICE
- CONTROL PANEL
- SCADA SYSTEM FOR DISTRIBUTION LINE

HIGH VOLTAGE SWITCHGEAR
Power Electronic Equipment

- LARGE CURRENT THYRISTOR TYPE INVERTER
- PHOTOVOLTAIC POWER CONDITIONER
![]() PHOTOVOLTAIC POWER CONDITIONER |
Small Motors

- SHADED-POLE MOTOR
- CAPACITOR MOTOR
- DC MOTOR
- BLOWER MOTOR
- GEARED MOTOR
- HERMETIC MOTOR
- SERVO MOTOR
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House Equipment

- HEALTH CARE APPLIANCE
- OPEN/CLOSE APPLIANCE FOR SHUTTER
- DISPOSER
Personal Care Appliance

- ACTUATOR
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Others

- EQUIPMENT FOR MECHANICAL DRIVE CONTROL
- SOLENOID VALVE
- FAN FOR CATTLE FARM
- ELECTRIC PUMP
- WATER TREATMENT SYSTEM
- POWDER PROCESSING
- POWER CONDITIONER
- PRINTED WIRING BOARD
- NON-CONTACT POWER SUPPLY SYSTEM















