https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
600LBS Electro-magnetic lock

600LBS Electro-magnetic lock

YU-HENG ELECTRIC CO., LTD.
Region: Taiwan
Update: 03/05/2010
Key Specifications
Features:

Power supplyDC 12/24V

Holding ForceAbout 6OO LBS (250KG)

Mounting Brackets OptionsLZ-200

Surface Mount

Dimensions

Body250(L)x42(H))x25(D)mm

Armature Plate160(L)x36(W)x11(T)mm

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