Siemens S120 configurationmanual UL approval, Validity, Direction of rotation

Description of the motor 2.2 Technical features

Table 2- 6 Mechanical ambient conditions

Long-term storage:	Class 1M2
Transport:	Class 2M2
Fixed location:	Class 3M3

UL approval

The torque motors described in this documentation have been approved by Underwriters Laboratories Inc. (USA) (UL).

Validity

Generally the approvals for the motor are listed on the rating plate. As a rule, these approvals are valid for the operating mode specified in the data sheets. More detailed information on the conditions for the validity of an approval can be obtained from your local Siemens office.

The installation conditions according to Underwriters Laboratories Inc. (USA) - UL for short - can be taken from the Conditons of Acceptability.

Direction of rotation

The rotor for the built-in torque motor rotates clockwise if the built-in torque motor is connected to phase sequence U, V, W. You can see this when you look at the A flange of the motor.

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Figure 2-1 Line of sight for determining the direction of rotation

28	1FW6 Built-in torque motors
	Configuration Manual, 05/2009, 6SN1197-0AE00-0BP3