SI 50.80-55,00 NHK FI DES, Safedrive with Hand Crank

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The SI 50.80-55.00 NHK FU DES is a self-locking, powerful industrial drive with frequency controller and emergency hand crank (emergency chain hoist is available on request) that has been specially developed for driving a high-speed door. This drive is mounted directly on the shaft of the door, has an integrated roll-off protection and is supplied as standard with a swing foot. With the frequency controller, soft start, soft stop and the speeds for opening and closing can be adjusted independently of each other via a TS series control.


SKU 10003743.10011
Shaft diameter (Ø) 55,00 mm
Mounting position SG 115F
Limit switch range 20
Electrical Power 8,6 kW
Weight in/ex packing 57,7 kg
IP value 65
Couple 500 Nm
Max catch moment 2800 Nm
Power frequency 50/60 Hz
Rated current 12,4 A
Emergency control Emergency sling NHK
Openings / hour 19
Speed 80 min-1
Temperature range +5 °C...+40(+60) °C
Test number roll-off protection 14-003305-PR01
Opening speed 22-80 min-1
Close speed 22-45 min-1
Close speed above 2.5m 22-45 min-1
Close speed below 2,5m 22-30 min-1
Type of limit switch DES
Power supply motor 3~ 380/460 Vac
Supply voltage 380-460V/3~
Base height 135 mm