lindab | dampers and measure units Motorized shut-off damper DTBCU Technical data for the motors Power supply . Power consumption – during opening . – stand-by . For wire sizing . Connection . Operating angle, adjustable . Torque at rated voltage – motor . – return spring . Direction of rotation . Position indication . Running time – motor . – return spring . Sound power level – motor . – return spring . Degree of protection. Ambient temperature range . LF 24 2AC 19,2–28,8 V, 50/60 Hz DC 21,6–28,8 V LF 230 AC 198–264 V, 50/60 Hz 5 W 2,5 W 7 VA Cable 1 m, 2×0,75 mm 2 Mech. limited to 95° 5 W 3 W 7 VA Cable 1 m, 2×0,75 mm 2 Mech. limited to 95° Min. 4 Nm Min. 4 Nm Optional through right or left-hand installation L/R Mechanical Min. 4 Nm Min. 4 Nm Optional through right or left-hand installation L/R Mechanical 40–75 s (0–4 Nm) app. 20 s 40–75 s (0–4 Nm) app. 20 s max 50 dB (A) app. 62 dB (A) IP 54 -30 to +50°C max 50 dB (A) app. 62 dB (A) IP 54 -30 to +50°C N L1 1 2 M Power supply. Power consumption – during operation . – stand-by . For wire sizing . Connection . Operating angle, adjustable . Torque at rated voltage – motor . – spring bias. Direction of rotation . Position indication . Running time – motor . – return spring . Sound power level – motor . – return spring . Degree of protection. Ambient temperature range . SFA (both 24 V and 230 V power supply) AC 24–240 V, 50/60 Hz DC 24–125 V 7 W 3,5 W 18 VA (I max 20 A @ 5 ms) Cable 1 m, 2×0,75 mm 2 Mech. limited to 95° Min. 20 Nm Min. 20 Nm Optional through right or left-hand installation L/R Mechanical ≤ 75 s (0 … 20 Nm) ≤ 20 s @ -20 … 50°C / max. 60 s @ -30°C ≤ 45 dB (A) ≤ 62 dB (A) IP 54 -30 to +50 °C N L1 1 2 M DUCT-MC Identification number 17.11.002 Lindab reserves the right to make changes without prior notice 3 2020-04-27
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