GEM GD-900 Specification Sheet

Fire Sensor
Fire fighting system
Automatic
door
operator
Door Holder
Copyright © Gianni Industries, Inc. All rights reserved.
DM-CA-GD Ver. F Published on 2011.05.26
24 VDC (or 12 VDC) is the
usual power source provided
by the fire fighting system.
T h e f i r e f i g h t i n g s y s t e m
activates the fire alarm when a
fire is detected.
The fire fighting system cuts
off the power.
The Electromagnetic door
holder automatically releases
the armature plate allowing the
door to close and preventing
t h e f i r e a n d s m o k e f r o m
spreading.
Door Holder
Statement
Electromagnetic Door Holders are suitable for and mostly
found in large-scale buildings
department stores, etc. They release doors and prevent the
spreading of smoke out of a confined space in case of fire.
The power source is supplied by the fire fighting system
either 24 VDC (or 12VDC special order). The door holder is a
Fail-safe device which automatically cuts off the power and
closes the fire door when the fire fighting system detects a fire .
The door can also be instantly released manually by using the
release button.
GD900
Series
Operating Voltage: 24VAC/DC (12VAC/DC is available by special order)
Current Draw: 60mA/24VDC
Holding Force: Up to 80 lbs
GD900F ( Floor Mount)
Push off Button
GD900WS (Surface Mount)
Push-off button
1 0 3
7 0
Warranty
The product is warranted against defects in material and
workmanship while used in normal service for a period of 1
year from the date of sale to the original customer. The GEM
policy is one of continual development and improvement;
therefore GEM reserves the right to change specifications
without notice.
GIANNI INDUSTRIES, INC.
No. 13, Zhongxing Rd., Tucheng Dist., New Taipei
City 236,Taiwan (R.O.C.)
Tel: 886-2 2267 7986 / Fax: 886-2 2267 9876
E-Mail: inquiry@gianni.com.tw
Website: gianni.tw
like hospitals, hotels,
GD900W
Wall Mortise Mount (ANSI Size)
SMB-050
W i t h S M B - 0 5 0 h o u s i n g
(Optional) for surface mount
installation.
4 3
6 5
1 0 5
5 5
6 5
Unit: mm