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1/ Command :

• THR

2/ Description : This tool automatically draws a Thermal Relay (THR) symbol on a line, which is a key component in electrical sequence drawings.

• Sequence Context: This tool is part of the electrical symbol series, following thed direction　selection method (click along the line).

• Symbol Scaling: On the first run, you set the　insertion scale (e.g., input 1 for a 3mm circle diameter). You can adjust this later using the FAC command.

3/ How to Use :

1. Type THR in the command line and press Enter.

2. (First Run Only) Enter the Symbol　Insertion Scale (e.g., 1 for 3mm).

3. Select the Line where the symbol will be　inserted.

4. Click a point along the line to define the Direction (Up/Down or Left/Right).

5. The Thermal Relay symbol is automatically drawn at the　selected location.