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GD-870 Door Holder

GD-870 Door Holder

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Product Specifications
  • The GD-870 series door holder is a fail-safe unit energized by a power supply installed on large-scale building, between fire escape doors. It releases the armature plate allowing the door closer to close the door when the fire prevention system detects a fire alarm or emergency. The electromagnetic door holder are constructed with a PUSH OFF button on magnet for instant release, the door can be opened or closed manually at any time.