Lubricants like greases and oils contain toxic substances. They
may not be released into the environment. Disposal must be car-
ried out by a specialist disposal company.
2.10 Safety devices
2.10.1
Location of the safety devices
Fig. 3: Location of the safety devices
1
Limit switch on the gear unit
2
Lever with limit stop on the gear unit
3
Overcurrent relay
4
Door contact
5
Potential equalisation
2.10.2
Description of the safety devices
The drive motor is protected against thermal overload and destruc-
tion by an overcurrent relay. The switch-off time for the overcurrent
relay (Fig. 3/3) depends on the drive motor’s current consumption.
Overloading may occur due to mechanical sluggishness or
blocking of the mast disconnector or the force-displacement trans-
mission device.
Lubricants
Overcurrent relay
Safety
Safety devices > Description of the safety devices
14.09.2022
TracFeed
®
SFA Electromechanical remote motor drive
26
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