Dorcas electric strikes - For single door : Adjustable radial bolt - Fail Secure (NO) aperture mode - Retention force 330 kg - AC/DC power source 10-24V - Recessed mounting : Socket and free step Dorcas Electrical door openers Fail Secure operation (NO) Symmetrical and reversible Narrow bottom Installation without the need to cut into the front panel or door cutout With lock socket Stainless steel Load resistance 330 kg 10-24 VAC/VDC EN Certification 14846 Brand Dorcas Model DR-99NDF-TOP/YSX Mounting Built-in Opening mode Fail Secure (NO) Functions Free passage flap adjustable radial latch and lock socket Lid with anti-friction system and ramp with latch guide (no need to cut into the front or cutout in the door) Retention force 330 kg Power AC/DC 10-24 V / 500 mA max. Material Stainless steel Dimensions 25 (W) x 250 (H) x 28.5 (D) mm Weight 400 g Electrical door openers Installation material User instructionsp>Note regarding Supplied plug type for UK and the EU and other European countries) For applicable products that are supplied with power plugs that are shipped to UK and the EU or other European countries we will endevour to swap out or provide an adaptor to suit that countries plug type. For more information please contact us. This product is shipped from our EU warehouse by DHL for fast delivery usually within a few days.