ASSA ABLOY DC475HO Cam-Motion® Floor Spring Heavy Duty Single Action with Hold Open

A high-performance floor spring featuring Cam-Motion® technology and an adjustable closing force, designed for large and very heavy doors weighing up to 300kg. Compliant with EN 1154, sizes EN3-6, and cycle tested for 1,000,000 cycles, it delivers smooth, controlled and reliable door operation. Suitable for fire and smoke protection doors, this versatile floor spring is designed for both single- and double-action doors, making it an ideal solution for demanding commercial, public and architectural applications. Features Floor spring with adjustable closing force for large and very heavy doors In compliance with EN1154 size EN3-6 1,000,000 cycles tested Suitable for fire and smoke protection doors For single and double action door up to 300kg DC475HO