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FDR-3G
Fire damper with an activation mechanism H0 + open and closed indication with AC 230 V or AC/DC 24 V contact
switches.
•
H5-2
Fire damper with an activation mechanism H0 + an AC/DC 24 V electromagnetic release mechanism in the impulse
connection (release takes place when the electromagnet is activated) + open and closed indication with AC 230 V or
AC/DC 24 V contact switches.
•
H6-2
Fire damper with an activation mechanism H0 + an AC 230 V electromagnetic release mechanism in the impulse
connection (release takes place when the electromagnet is activated) + open and closed indication with AC 230 V or
AC/DC 24 V contact switches.
Actuator Operated Fire Dampers
By default, all actuator operated fire dampers are supplied with an actuator with micro switches, optionally with a
power and communication unit. A fire damper can be equipped with a spring return actuator can be closed with
command from the building management system, or after the breaching of the thermoelectric fuse. Actuator operated
fire dampers are standardly equipped with a thermoelectric fuse, that activates the closing of the damper after the
reaching or exceeding of the ambient temperature of 72°C. The actuator power circuit is interrupted and its spring
closes the damper blade within 20 seconds.
Belimo actuator available with on demand fuse 95 °C or 120 °C.
•
B230T
or
G230T
Fire damper with an activation mechanism with a Belimo or Gruner spring return actuator (AC 230 V) with electro-
thermal fuse 72°C and auxiliary switches.
•
B24T
or
G24T
Fire damper with an activation mechanism with a Belimo or Gruner spring return actuator (AC/DC 24 V) with electro-
thermal fuse 72°C and auxiliary switches.
•
B24T-W
or
G24T-W
Fire damper with an activation mechanism with a Belimo or Gruner spring return actuator (AC/DC 24 V) with an
electro-thermal fuse 72°C and auxiliary switches, with provided cable connectors for the supply and communication
unit (communication unit not part of the mechanism).
•
B24T-SR
or
G24T-SR
Fire damper with an activation mechanism with a Belimo or Gruner spring return actuator (AC/DC 24 V) with electro-
thermal fuse 72°C and auxiliary switches for Modulated dampers (possibility to open the blade at the desired angle).
For fire dampers in the size DN ≥ 160 mm.
Actuator Operated Fire Dampers with Various Communication Modules.
•
BST0
or
GST0
Fire damper with an activation mechanism with a Belimo (BST0) or Gruner (GST0) spring return actuator (AC/DC 24 V)
with an electro-thermal fuse 72°C and auxiliary switches, with a Belimo supply unit BKN230-24 (supply through unit:
AC 230 V, communication: 2-wire to BKS...) or Gruner supply and communication unit FSC-UFC24-2 (supply through
unit: AC 24 V, communication: Modbus/BACnet).
•
BST1
Fire damper with an activation mechanism with a Belimo spring return actuator (AC/DC 24 V) with an electro-thermal
fuse 72°C and auxiliary switches, with a supply and communication unit (SLC powered) BC24-G2 (THC).
•
BST2
Fire damper with an activation mechanism with a Belimo spring return actuator (AC/DC 24 V) with an electro-thermal
fuse 72°C and auxiliary switches, with a Belimo supply and communication unit (AC 230 V) BKN230-24-MOD
(Modbus/BACnet).
•
BST3
Fire damper with an activation mechanism with a Belimo spring return actuator (AC/DC 24 V) with an electro-thermal
fuse 72°C and auxiliary switches, with a Belimo supply and communication unit (AC 230 V) BKN230-24-C-MP (SBS/
MP).
•
BST10
Summary of Contents for 163262
Page 1: ...FDR 3G Circular Fire Damper Handbook ...
Page 19: ...19 67 FDR 3G ...
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Page 33: ...33 67 FDR 3G Notes ve Vertical wall 1 Smaller distances maximum resistivity EI90 ve i o S ...
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Page 67: ...Systemair DESIGN 2022 07 11 Handbook_FDR_3G_en GB Original instructions ...