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Unique ‘Plug & Play’ installation concept
controllers without handsets are available (ECU-8NT)
on-board fire and fault relays and combined keypad/key-switch entry
Heavy-duty coated steel wire
without compromising reliability
Sewosy VMPO242/484M electromagnetic door holders 24v Power Supply Unique ‘Plug & Play’ installationSewosy VMPO242 484M electromagnetic door holders are designed to hold open swinging fire doors and fire smoke shutters. These electrically powered hold open devices are an integral part of an effective fire protection system. Mounted on a stationary surface, these holding magnets bind to a contact plate mounted on the door and ensure it is held open. Release of fire door can be triggered: remotely by interrupting the electrical power supply, manually
