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9 Additional requirements for the servo
drives concerning the UL approval
This chapter gives further information concerning the UL approval of the ARS 2102 SE, ARS 2105 SE
und ARS 2108 SE.
9.1 Circuit protection
In case of a required UL-certification the following data for the main fuse are to be
considered:
Listed Circuit Breaker according to UL 489, rated 277 Vac, 16 A, SCR 10 kA
9.2 Wiring and environment regards
Use 60/75 or 75°C copper (CU) wire only.
The terminal tightening torque is 0.22...0.25 Nm.
To be used in a Pollution Degree 2 environment only.
9.3 Motor temperature sensor
Motor overtemperature sensing is not provided by the drive according to UL.
When a UL-certification is required, then in order to prevent motor overtemperatures the servo drives
may only be operated in connection with motors that are provided with an integrated motor
temperature sensor. The sensor has to be connected to the servo drive and the temperature
monitoring has to be activated accordingly on the software side.
Product Manual „Servo drives ARS 2100 SE“ Version 5.0
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