Description
Sewosy 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 by pressing a push-button located directly on the casing that houses the
electromagnet
Return to "hold-open" position is achieved by returning the door to its initial position after having re-activated the power supply when necessary.
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