| 90100035N | Unión Recta Carril Monofásico Negro | |
| 90100036N | Unión en L Carril Monofásico Negro | |
| 90100037N | Unión en T Carril Monofásico Negro | |
| 90100038N | Unión en X Carril Monofásico Negro | |
| 90100035B | Straight union sigle-phase track | |
| 90100036B | L-shaped union sigle-phase track | |
| 90100037B | T-shaped union sigle-phase track | |
| 90100038B | X-shaped union sigle-phase track | |