The FR-SL500 Micro Shear Lock from ICS is fire tested to BS EN 1634 and it is suitable for both FD30 and FD60 applications. It has a holding force of up to 1,200Kg in shear (2,600lbs), as well as an adjustable locking time delay (0.5 to 25 seconds). Please note that, to achieve fire door suitability, the product must be fitted with the intumescent pack provided.
Up to 1,200Kg (2,600lbs) holding force in shear
Adjustable locking time delay of 0.5 to 25 seconds