Lindab DRU - Page 8

8
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Dampers
TF 24 TF 230
Power supply ............................. 2AC 19,2–28,8 V, 50/60 Hz AC 85–265 V, 50/60 Hz
DC 21,6–28,8 V
Power consumption
– during opening ........................ 2,5 W 2,5 W
– stand-by ................................. 1,5 W 1,5 W
For wire sizing ........................... 5 VA 5 VA
Connection ................................ Cable 1 m, 2×0,75 mm² Cable 1 m, 2×0,75 mm²
Operating angle, adjustable ...... Mech. limited to 95° Mech. limited to 95°
Torque at rated voltage
– motor ...................................... Min. 2 Nm Min. 2 Nm
– return spring ........................... Min. 2 Nm Min. 2 Nm
Direction of rotation ................... Optional through right or Optional through right or
left-hand installation L/R ........... left-hand installation L/R
Position indication ..................... Mechanical Mechanical
Running time
– motor ...................................... < 75 s (0–2 Nm) < 75 s (0–2 Nm)
– return spring ........................... < 25 s < 25 s
Degree of protection .................. IP 42 IP 42
Ambient temperature range ...... -30 to +50°C -30 to +50°C
1
NL1
2
M
LF 24 LF 230
Power supply ............................. 2AC 19,2–28,8 V, 50/60 Hz AC 198–264 V, 50/60 Hz
DC 21,6–28,8 V
Power consumption
– during opening ........................ 5 W 5 W
– stand-by ................................. 2,5 W 3 W
For wire sizing ........................... 7 VA 7 VA
Connection ................................ Cable 1 m, 2×0,75 mm² Cable 1 m, 2×0,75 mm²
Operating angle, adjustable ...... Mech. limited to 95° Mech. limited to 95°
Torque at rated voltage
– motor ...................................... Min. 4 Nm Min. 4 Nm
– return spring ........................... Min. 4 Nm Min. 4 Nm
Direction of rotation ................... Optional through right or Optional through right or
left-hand installation L/R left-hand installation L/R
Position indication ..................... Mechanical Mechanical
Running time
– motor ...................................... 40–75 s (0–4 Nm) 40–75 s (0–4 Nm)
– return spring ........................... app. 20 s app. 20 s
Sound power level
– motor ...................................... max 50 dB (A) max 50 dB (A)
– return spring ........................... app. 62 dB (A) app. 62 dB (A)
Degree of protection .................. IP 54 IP 54
Ambient temperature range ...... -30 to +50°C -30 to +50°C
1
NL1
2
M