Weight [kg]
Nominal size [mm] 100 125 150 160 180 200 224 250 280 315
... with square installation block (TQ) 7.2 7.9 8.8 9.7 10.6 11.5 12.4 13.8 15.5 17.6
... with wall face frame (WA) 6.2 7.0 7.9 8.4 9.2 10.0 10.8 12.0 13.5 15.4
Spring return actuator BLF...
Construction 230-T TR 24-T-ST TR
Supply voltage 230 V AC ±14 % 50/60 Hz 24 V AC ±20 % 50/60 Hz
or 24 V DC –10 % / +20 %
Power rating Spring compression 6 W 5 W
Hold position 3 W 2.5 W
Rating 7 VA
Running time Motor / spring return 40 – 75 s / 20 s
Limit switches Type of contact 2 changeover contacts
Switching voltage 5 – 120 V DC / 5 – 250 V AC
Switching current 1 mA – 3 A
Contact resistance < 100 mΩ
IEC protection class II III
Protection level IP 54
Storage temperature -40 to 50 °C
Ambient temperature -30 to 50 °C ¹
Ambient humidity ≤ 95 % RH, non-condensing
Connecting cable Actuator 1 m / 2 × 0.75 mm²
Limit switches 1 m / 6 × 0.75 mm²
¹ Up to 75 °C the safe position will definitely be reached.
Technical data
FKRS-EU with spring return actuator
Fire damper Type FKRS-EU10
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