Magnet Door Holder LCN 7840/7850 <for fire doors>
Have you completed your disaster preparedness measures? Ideal for buildings involving many people! Introducing our automatic closing devices with a wealth of delivery experience!
The "Disaster Prevention Equipment Electromagnetic Release 'Magnet Door Holder' LCN 7840/7850" is a robust, electrically controlled electromagnetic door holding device. It complies with building codes and can legally hold fire doors open. When used in conjunction with a door closer, the door will automatically close when the power to the magnet is cut off. Even if the wiring is broken or melts in a fire, it can reliably close the door, and there is no concern about false alarms due to erroneous activation of the alarm system, allowing for safe use. 【Features】 ■ The magnet remains open during a power outage and holds until the current is cut off. ■ Legally holds open a normally closed fire door (15kg). ■ Constantly powered, linked to smoke detectors = power outage during a fire. ■ No false alarms when pulled away (no status signal). ■ Works in conjunction with the power supply (feedback to the disaster prevention panel). *For more details, please refer to the PDF document or feel free to contact us.
basic information
【Specifications (Partial)】 ■ Operating Voltage: 24VAC/VDC 120VAC ■ Current Consumption: 20mA/24Vdc ■ Release Button: None ■ Holding Force: Approximately 15kg ■ Magnetic Residual Prevention Function: Yes *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
【Disaster Prevention Equipment Electromagnetic Release 'Magnet Door Holder' Delivery Record (Partial)】 ■ Daido Life Sapporo Building ■ Grand Tokyo South Tower ■ New Hiroshima Building ■ Marunouchi Eiraku Building ■ Okura Prestige Tower ■ Nihonbashi Muromachi Mitsui Tower ■ Kumamoto Airport Domestic Terminal Annex ■ Nittochi Nishi-Shinjuku Building *For more details, please refer to the PDF document or feel free to contact us.
catalog（2）
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CAD data（1）
| Model number | overview | File |
|---|---|---|
| LCN 7840/7850 | - Operating voltage: 24VAC/VDC 120VAC - Current consumption: 20mA/24Vdc - Release button: None - Holding force: Approximately 15kg - Magnetic residual prevention function: Yes - Armature type: B → Horizontal swinging rotary type (standard) |
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