Wire Rope Hoist
PAGE: 17
Model WR
WR-0214
2721 NE 4
th
Ave Pompano FL, 33064 | (954) 367-6116
Visit WWW.ACIHOIST.COM for the most current information
Figure 3.3.3
3.4 Optional Items
Following devices are available as optional features on all complete hoists.
Latch Key
Intended to protect the hoist against unnecessary operation.
Thermo-protection
Bi-metallic, automatic thermostats are built into the motor windings- one per each phase and winding. This thermostat
will cause the motor control to be de-energized when the temperature of the motor winding exceeds a predetermined
temperature limit. It provides full running protection against motor overheating. The motor control will continue to be de-
energized and the only possible motion is lowering until the temperature of the winding is reduced below the
temperature cutoff point and then the hoist will be operate as before.
Load Limiter
An overload cutoff device is designed to interrupt the hoist lifting circuit if the load exceeds more than 10% of the rated
capacity.
Emergency button
An emergency button switches off the main contactor when emergency situation accur.
If the thermo-protection actuates and the lowering of the load is indispensable, it must be done at
the higher lowering speed with minimum switching.