Overload Protection - Danfoss VLT OneGearDrive Instruction Manual

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Installation
VLT OneGearDrive Instruction Manual
2 2

2.12 Overload Protection

Take note of the relevant circuit diagram for motors with
thermally activated winding protection (see 2.10 Cage
Clamp Connection Diagram).
Automatic restart after the winding has cooled must be
avoided in most applications.
The output of the motors is normally adequately rated.
The rated current does not represent a measure of gear
unit utilization in these cases and cannot be used as
overload protection for the gear unit. In some cases, the
way in which the machine being driven is loaded can
exclude any overloading as a matter of course. In other
cases, it is prudent to protect the gear unit by mechanical
means (e.g., slip clutch, sliding hub, etc.). This depends on
the maximum permissible limit torque M in continuous
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running duty specified on the nameplate.
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2-8 MG75C322 - VLT is a registered Danfoss trademark