Hitachi Industrial Equipment Systems Electromagnetic Contactors and Switches H Series
Hitachi Industrial Equipment Systems
H Series Electromagnetic Contactors and Switches with Enhanced Contact Reliability through Rolling Twin Contacts
Auxiliary Contacts of Electromagnetic Contactors The auxiliary contacts are twin contacts for all models, improving contact reliability. The contact structure features a unique rolling twin contact. (The failure rate at a reliability level of 60% is 1x10-6 per operation at 24V 10mA or higher.) Signal Contacts of Thermal Relays The signal contacts of the thermal relay are independent 1a and 1b contacts. Since the a and b contacts are electrically insulated from each other, they can be directly connected to electronic circuits or used in circuits with different voltages. Auxiliary Contact Unit that Can Be Added with One Touch Up to 4a and 4b can be added to each model from H65C to H400C. Twin contacts are standard for all models. User-Friendly Coil Surge Absorber It has become more compact and can be attached to the power side with one touch. (H65C to H125C)
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basic information
- Auxiliary contacts are twin contacts (unique rolling twin contacts) for all models, improving contact reliability. - The failure rate at a reliability level of 60% is 1x10-6 per operation for 24V at 10mA or higher. - The signal contacts of the thermal relay are 1a1b independent contacts (can be used for direct connection to electronic circuits and different voltage circuits due to electrical insulation). - The auxiliary contact unit can be expanded up to a maximum of 4a4b for models H65C to H400C. - The coil surge absorber can be attached with a one-touch installation on the power supply side (for models H65C to H125C).
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Applications/Examples of results
It is used for opening and closing, as well as controlling loads such as motors and heaters in power equipment and control panels of factories and plants. It can be widely utilized in sequence control requiring contact reliability and in driving circuits of various electrical devices.
Company information
Kyushu Kiden Co., Ltd. not only sells electrical and mechanical products such as air conditioning equipment, industrial machinery, air compressors, elevators, escalators, and lighting fixtures as a Hitachi sales agent, but also provides solutions that contribute to energy conservation and decarbonization (SDGs), including the currently popular solar power generation (PPA), biomass power generation, and waste heat recovery units. The company is also certified as a planner for ZEB (Net Zero Energy Building), which has recently gained attention in corporate energy-saving measures, and has received great acclaim for its comprehensive energy-saving proposals for entire buildings. 【Service Areas】 - Fukuoka, Saga, Kumamoto, Oita, Yamaguchi, Hiroshima, Osaka 【Major Qualifications】 - First-Class Plumbing Construction Management Engineer - First-Class Electrical Work Construction Management Engineer - Designated Construction Industry Supervisory Engineer (Plumbing) - Designated Construction Industry Supervisory Engineer (Electrical Work) - First-Class Electrician - Chief Technician for Water Supply Equipment Construction - First-Class Refrigeration and Air Conditioning Equipment Construction Skill Technician - Building Equipment Engineer - First-Class Civil Engineering Construction Management Engineer - Third-Class Refrigeration Machinery Manufacturing Safety Manager - Refrigeration and Air Conditioning Construction Safety Management Certificate - Refrigerant Handling Technician Certificate - First-Class Hitachi Refrigeration and Air Conditioning Technician (Air Conditioning and Low Temperature) - And many others.
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