Deskripsi
| Range name | Harmony |
| Main function | Mounting accessory |
| Technical compatibility with | Harmony XB4 |
| Harmony XB5 | |
| Harmony XB7 | |
| Color | Black / red |
| Functions | Legend holder with marking |
| Primary brand | Schneider Electric |
| Secondary brand | Telemecanique |
L.P. START – ZBY2303 Schneider Electric
Legend holder with marking – Schneider Electric (Harmony) – Black / red color – White “START” label on the head – for Harmony XB4; Harmony XB5; Harmony XB7
