1. Introduzione
This manual provides essential information for the safe and effective installation, usage, and maintenance of the ABB LW205 Terminal Enlargement. The LW205 is designed to enhance the terminal capacity of ABB AF190 and AF205 contactors, facilitating secure and robust electrical connections.
2. Informazioni sulla sicurezza
Always observe the following safety precautions when working with electrical components:
- Ensure all power is disconnected and locked out before installation or maintenance.
- L'installazione e la manutenzione devono essere eseguite solo da personale qualificato.
- Indossare dispositivi di protezione individuale (DPI) adeguati, tra cui occhiali di sicurezza e guanti isolanti.
- Verify correct wiring and torque specifications for all connections.
- Refer to local electrical codes and standards.
3. Prodotto finitoview
The ABB LW205 is a 3-pole terminal enlargement accessory specifically engineered for use with ABB AF190 and AF205 contactors. It provides additional connection points or increased capacity for larger conductors, ensuring reliable power distribution within industrial control systems.

Image: The ABB LW205 Terminal Enlargement, a component designed to expand connection capabilities for contactors.
Caratteristiche principali:
- Poli: 3
- Fase: 3
- Tipo: Terminal Enlargement
- Compatibilità: Designed for AF190 and AF205 Contactors
4. Configurazione e installazione
Follow these steps for proper installation of the LW205 Terminal Enlargement:
- Disconnessione dell'alimentazione: Ensure that the main power supply to the contactor and associated circuitry is completely disconnected and secured against accidental re-energization.
- Contactor Preparation: Identify the designated mounting points on the AF190 or AF205 contactor for the terminal enlargement. Refer to the contactor's specific manual for detailed diagrams.
- Mounting the LW205: Align the LW205 Terminal Enlargement with the contactor's terminals. Secure it firmly using the provided hardware (if applicable) or by engaging its designed interlocking mechanism. Ensure a snug fit to prevent movement or loose connections.
- Collegamenti elettrici: Connect the appropriate conductors to the enlarged terminals. Ensure that all connections are clean, properly stripped, and tightened to the manufacturer's specified torque values to prevent overheating and ensure optimal electrical contact.
- Verifica: Visually inspect all connections for proper seating and tightness. Confirm that no bare wires are exposed and that there are no potential short circuits.
- Ripristino dell'energia: Una volta completata e verificata l'installazione, ripristinare l'alimentazione del sistema.
5. Utilizzo e funzionalità
The LW205 Terminal Enlargement functions as a passive component that expands the connection capabilities of the AF190 and AF205 contactors. Once installed, it allows for:
- Connection of larger gauge wires than the standard contactor terminals might accommodate.
- Increased flexibility in wiring configurations.
- Improved current carrying capacity at the connection points due to larger contact areas.
No operational adjustments are required for the terminal enlargement itself; its function is integrated with the contactor's operation.
6. Manutenzione
Regular maintenance helps ensure the longevity and reliable performance of the LW205 Terminal Enlargement:
- Ispezione periodica: Annually, or more frequently in harsh environments, inspect the terminal enlargement for any signs of physical damage, discoloration (indicating overheating), or loose connections.
- Pulizia: With power disconnected, gently clean any dust or debris from the terminals and surrounding areas using a dry, non-conductive brush or compressed air. Avoid using liquids.
- Controllo di tenuta: Periodically re-check the torque of all terminal connections to ensure they remain secure.
- Condizioni ambientali: Assicurarsi che l'ambiente operativo rimanga entro gli intervalli di temperatura e umidità specificati per evitare un degrado prematuro.
7. Risoluzione Dei Problemi
The LW205 Terminal Enlargement is a passive component, so most issues will relate to its installation or the overall electrical system. Consider the following if problems arise:
- Overheating at Terminals: This often indicates a loose connection or insufficient wire gauge for the current. Disconnect power, inspect and re-tighten all connections, and verify wire sizing.
- Connessione intermittente: Check for loose mounting of the terminal enlargement to the contactor, or loose wire connections.
- Danni fisici: If the terminal enlargement is physically damaged (cracked, broken), it must be replaced immediately to ensure safety and proper function.
For issues related to the contactor itself, refer to the ABB AF190/AF205 contactor instruction manual.
8. Specifiche
| Numero di parte | 888614001039 |
| Modello | LW205 |
| Tipo | Terminal Enlargement |
| Poli | 3 |
| Fase | 3 |
| Compatibilità | AF190 and AF205 Contactors |
| Produttore | FIGURA |
| Dimensioni approssimative della confezione | 2 x 2 x 2 pollici |
9. Informazioni sulla garanzia
Specific warranty details for the ABB LW205 Terminal Enlargement are not provided in this document. Please refer to the official ABB website or contact your authorized ABB distributor for current warranty terms and conditions.
10. Informazioni di supporto
For technical assistance, product inquiries, or support, please visit the official ABB website or contact ABB customer service directly. Contact information can typically be found on the ABB websito nelle sezioni "Supporto" o "Contattaci".