24
Chain drive
Assembly and operating instructions
ELTRAL K35 | ELTRAL K35 Synchro
3 Intended use
The ELTRAL K35 and ELTRAL K35 Synchro chain drives are designed exclusively to open and close
bottom-hung windows, top-hung windows, turn-only windows, skylights, horizontal and vertical pivot
windows, projecting top-hung windows and parallel windows.
They can be installed either horizontally or vertically.
Installation variants
•
mounted on the frame
•
mounted on the sash
•
concealed in the frame
Other use is considered inappropriate. Gretsch-Unitas GmbH accepts no liability for damage
arising from inappropriate use.
In the case of inappropriate use, the guarantee is null and void.
All deliveries are made on the basis of our General Terms and Conditions.
4 Technical data (1 motor)
Type
24 V - 300 mm 24 V - 500 mm 24 V - 800 mm
Push / pull force
max. 350 N
1)
Travel (adjustable via DIP switch)
300 / 200 / 100
500 / 400 / 300
800 / 700 / 600
Nominal voltage
24 V DC (-10%/+25%)
Current consumption at nominal load
0.9 A
Breaking current
1.2 A
Power consumption at nominal load
~21.5 W
Running speed at zero load [m/s]
9.6
Running time at zero load [s]
33 / 22 / 11
53 / 43 / 33
83 / 73 / 63
Duty ratio (power-on time)
30 % (10 min)
Ambient temperature
-5 to +75° C
Protection class
IP32
Limit stop switch at opening
electronic
Limit stop switch at closing
Load-dependent control
Connecting cable
approx. 2 m (Synchro approx. 2.5 m)
Cross-sections: Connecting cable
Synchronisation cable
Signal VAN
2 x 0.5 mm²
2 x 0.5 mm² (Synchro only)
1 x 0.5 mm²
Dimensions
Height x Depth x Width [mm]
35 x 35 x 520
35 x 35 x 611
35 x 35 x 765
Weight (Solo / Synchro) [kg]
1.19 / 1.29
1.41 / 1.51
1.73 / 1.83
1)
See section 5 „Application range“
The specifications stated in this table are not binding and may be changed without prior notice.