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Direct Drives

Safedrive®
ELEKTROMATEN SI SG50F
NHK KNH SG50_DES

ELEKTROMATEN SI FI SG50F

SI 4.250 FI

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“Safedrive®” ELEKTROMATEN SI FI are drives for industrial doors which require an anti-fallback device. The patented safety brake is built into the gear. The drive unit is fitted directly to the door shaft. In combination with GfA door controls TS 970, TS 971 or TS 981, the built-on frequency inverter (FI) offers the advantage of individually adjustable output speed with soft start as well as soft stop.

Spare parts

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Spare parts


Output torque:

40 Nm

Output speed:

250 rpm

Hollow Shaft (Ø):

25 / 25.4 / 30 mm

Mains supply:

1N~230 V, PE 3N~400 V, PE

Manual operation options:

Emergency Hand Crank NHK Hand Chain Operator KNH

Limit switch options:

Digital limit switch DES
IDs
SI 4.250-30,00 FU DES
10004043 10011
GA04/250JHDU
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