Spring return actuator BFN...
Construction 230-T TR 24-T-ST TR
Supply voltage 230 V AC, 50/60 Hz 24 V AC/DC, 50/60 Hz
Functional range 198 – 264 V AC 19.2 – 28.8 V AC
21.6 – 28.8 V DC
Power rating Spring winding mecha-
nism / hold position
5 W / 2.1 W 4 W / 1.4 W
Rating 10 VA (Imax 4 A @ 5 ms) 6 VA (Imax 8.3 A @ 5 ms)
Run time Actuator / spring return < 60 s / < 20 s
Limit switch Type of contact 2 changeover contacts
Switching voltage 5 – 120 V DC / 5 – 250 V AC
Switching current 1 mA – 3 (0.5 inductive) A
Contact resistance < 1 Ω (when new)
IEC protection class / IP protection II / IP 54
Storage temperature / ambient temperature -40 to 55 °C / -30 to 55 °C ¹
Ambient humidity ≤ 95% rh, no condensation
Connecting cable Actuator / limit switch 1 m, 2 × 0.75 mm² / 1 m, 6 × 0.75 mm² (free of halo-
gens)
Spring return actuator type BFN... Nominal sizes: nominal width 315 – 400 mm.
¹ Up to 75 °C the safe position will definitely be reached.
Technical data
FKR-EU with spring return actuator
Fire damper FKR-EU14
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