https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
electromagnetic door holder

electromagnetic door holder

FoShan City LCJ Electric Locks Factory
Region: China
Update: 09/15/2009
Key Specifications
Input Voltage/Current:12/24VDC@300/150mA

Holding Force:Up to 130LBS

Lock Size: L124 x W85 x H65(mm)

Strike Plate Size: L44 x W85 x H65 (mm)

Floor mounted Test button on unit

Function:activated by fire alarm or power failure

Operation:Fail Safe, Locked When Energized

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions