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FORCE MEASUREMENT EQUIPMENT
Force Control Switches
A device that provides switch outputs which change state (open/
close) at specific forces. It requires no batteries or power to
operate. Customers may connect these switches to a variety of
devices such as relays, lights and alarms or to the motor controller
to stop crane movement.
Common applications are:
• Overload protection
• Underload protection
Force Control Switches
• Desired force attainment (in repetitive operations such as a
press)
• Batching
A force control switch may have multiple switches as needed
for triggering at several loads. The switch settings are set at the
factory to the specific load(s) desired by the customer. These set
points are generally unchanged throughout its service life.
Force control switches are available in in-line or clamp-on
versions. A calibration certificate is included.
DynaSwitch
Force control switches are used to protect cranes, hoists and
One site for installation of a DynaSwitch
is at the dead end of a line. If this is not other lifting machinery against weight or force overload as well as
practical, the DynaSwitch may be used to slack load. They are also used to perform control functions in the
support an equalizer sheave, or an entire case of DynaSwitch. There are no dial indicators associated with
hoist may be suspended from the these devices, only switches which not only shut off power when
DynaSwitch. an overload condition exists, but also operate lights, buzzers or
klaxons to warn of an impending overload.
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