Achieved 500,000 open and close tests! You can use it with peace of mind without worrying about false alarms due to malfunction.
The "Disaster Prevention Equipment Electromagnetic Release 'Magnet Door Holder' GD840S" is a wall-mounted automatic closing device for fire doors, suitable for large buildings such as hospitals and department stores that accommodate many people. In the event of a fire, it prevents the spread of smoke and flames by closing the door. This product complies with building codes and allows for the legal release of fire doors. Additionally, we offer various options tailored to needs, such as a "Digital Timer Relay" and "Battery." 【Features】 ■ Extensive track record of installations ■ Automatically cuts power and closes the door in conjunction with fire alarm systems during a fire ■ The door can be manually closed instantly using the release button on the main unit or a wall-mounted switch ■ Designed for frequent opening and closing, making it durable *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Specifications (Partial)】 ■ Operating Voltage: 24VDC ■ Current Consumption: 60mA/24Vdc ■ Holding Force: Approximately 36kg ■ Magnetic Residual Prevention Function: Yes ■ LED Release Button: Yes *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
【Disaster Prevention Equipment Electromagnetic Release 'Magnet Door Holder' Delivery Achievements (Partial)】 ■ Shinagawa Season Terrace ■ Kumamoto Prefectural Television ■ (Tentative Name) Kudansouth 1-chome Project ■ Juntendo University (Building B) ■ Inside a certain attraction facility hotel ■ Yokohama Landmark Tower ■ Shinagawa East Building ■ (Tentative) Nishi Gotanda Building Project *For more details, please refer to the PDF document or feel free to contact us.
catalog（2）
Download All Catalogs![[Disaster Prevention] Automatic Closure Device 'Electromagnetic Release & Power Supply' Catalog](https://image.www.ipros.com/public/catalog/image/01/06a/758722/IPROS17234584457775607159.jpeg?w=120&h=170)
![[Delivery Record] Automatic Closing Device for Fire Doors 'Electromagnetic Release'](https://image.www.ipros.com/public/catalog/image/01/770/701052/IPROS20052986598897182528.jpeg?w=120&h=170)
CAD data（1）
| Model number | overview | File |
|---|---|---|
| GD840S | Holding force: 30kg Release button: Yes Operating voltage: 24VDC LED indicator: Yes Standard armature: Type A Finish color: BK |
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Company information
Goldman Co., Ltd. is a company engaged in new construction and renovation-related businesses, as well as security-related businesses. Our main product is the "Assist Swing (door opening and closing device)," which allows anyone to pass through safely and securely. We also handle new construction, renovation, and maintenance work, so please feel free to contact us if you have any requests.