Notes For Ul Applications; Fault Protection For The Motor Circuit - Siemens SINAMICS S220 Equipment Manual

8.2.2

Notes for UL applications

Description
Note
Motor overload protection
The Motor Module has integrated motor overload protection according to IEC/UL 61800-5-1.
Ensure that the motor is protected from overload by observing and following the instructions
below:
• The protection threshold is 115 % of the rated motor current.
• Monitoring for motor overload protection is automatically activated during commissioning.
• Enter the motor data and protection function values when commissioning a Motor Module.
• Operation without motor temperature sensor
– Synchronous motors
– Induction motors
More information
More information on parameterizing thermal motor models is provided in Chapter "Thermal
motor protection" on the internet:
SINAMICS S120 Function Manual Drive Functions
support.industry.siemens.com/cs/ww/en/view/109781535)
8.2.3

Fault protection for the motor circuit

Description
The converter provides short-circuit protection at the motor output terminals.
The manufacturer's declaration describes the conditions regarding protection against electric
shock in the event of an insulation failure in the motor circuit.
More information
You can find more information on the Internet:
Manufacturer's declaration
109476638)
Booksize power units
Equipment Manual, 09/2023, A5E53307519B AA
To ensure motor overload protection, the minimum value of 40 °C for the ambient motor
temperature must be entered in parameter p0613.
To ensure motor overload protection, the minimum value of 40 °C for the ambient motor
temperature must be entered in parameter p0625.
(https://support.industry.siemens.com/cs/ww/en/view/
8.2 Safety instructions
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Motor Modules
153