5.52.288.00.01.06
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4.3
Functions
The lifting gear are operated by pressing the push buttons on the control switch. The spring-pressure brake
installed in the electric motor of the lifting gear prevents the independent lowering of the load after the push
button has been released.
4.4
Important components
Standard 3-phase current motor
Standard AC motor at 125 -2000 kg load capacity.
Gear
▫
125 kg worm gear
▫
250 - 3200 kg worm gear with additional spur wheel pair
For winches from 1000 kg and up - the sealing screw of the gear must be exchanged before first start up
by the ventilation screw.
Limit switch
▫
Serial winch is a lifting winch.
▫
Pulling winch as option.
Function: Operational and emergency limit switch.
It is possible to connect an external electric limit switch.
Overload protection by current cut-off
▫
Serially fitted with electronic overload protection for units of 1000 kg and up.
▫
Electronic overload protection for units up to 1000 kg available as option.
The overload protection is adjusted by the manufacturer according to the regulations that apply. The
overload protection prevents lifting a load that is too heavy by switching off the hoisting motor. When putting
the winch into operation or after current of the winch has been cut off or after the overload protection has
operated, press the button "lowering" shortly to re-activate the relay. A re-adjustment i.e. for maintenance
reasons is possible.
Control
▫
Low voltage control (direct control depends on the kind of unit)
▫
Indirect control with phase sequence relay. The phases must be exchanged if the turning direction is
wrong.
▫
Units with limit switch are fitted with low voltage control.
▫
Radio control is available as option.
Control switch
▫
Control switch suitable for single hand use.
▫
The control switch housing is made of shock- and fracture-proof plastic.
▫
The control cable is fitted with stress-relief rope (not applicable for radio control).
▫
2 step buttons for 2 wire rope speeds
Overheat protection electric motor
Default
Optional
Electro-EX
-
PTO
*
/PTC
**
PTC
**
*
Thermocouple´
**
PTC thermistor with tripping device
Disengaging clutch (as option)
▫
Not available for 125 kg capacity.
▫
For pulling out the uncharged wire rope.
▫
Disengagement operated by hand.
Unintended disengagement or disengagement by standard force effort is not possible under load.
