1. Introduzione
This instruction manual provides essential information for the safe and effective installation, operation, and maintenance of the ABB MCB-10 Contact Block. Please read this manual thoroughly before attempting any installation or operation to ensure proper function and safety.
The ABB MCB-10 is a 1 Normally Open (NO) contact block designed for industrial control applications, rated for 8 Amps a 120 Volt.
2. Informazioni sulla sicurezza
WARNING: Electrical shock hazard. Only qualified personnel should perform installation, maintenance, and troubleshooting procedures. Disconnect all power before working on the device.
- Rispettare sempre i codici e le normative elettriche locali e nazionali.
- Ensure the power supply is disconnected and locked out before installation or servicing.
- Verificare che il volumetage and current ratings of the contact block match the application requirements.
- The device conforms to IEC 60947-5-1 and EN 60947-5-1 standards.
3. Prodotto finitoview
The ABB MCB-10 is a single-pole, normally open (1NO) contact block. It is designed for modular mounting with compatible control devices, providing a reliable switching function in control circuits.
Figura 1: Fronte view of the ABB MCB-10 Contact Block. The image displays the grey plastic housing with green terminal block, showing markings for model number MCB-10, brand ABB, and electrical ratings including IEC 60947-5-1, EN 60947-5-1, Ui=690V, Ith=10A, and AC-15 ratings for 400V, 230V, and 120V.
4. Installazione
Follow these steps for proper installation of the MCB-10 Contact Block:
- Disconnessione dell'alimentazione: Ensure all power to the control circuit is disconnected and verified using appropriate safety procedures.
- Montaggio: The MCB-10 is designed for plug-in mounting. Align the contact block with the corresponding slots on the control device (e.g., push button, selector switch) and press firmly until it clicks into place. Refer to the control device's manual for specific mounting instructions if necessary.
- Cablaggio:
- Identify the terminals on the contact block. The MCB-10 is a 1NO (Normally Open) contact, meaning the circuit is open when the actuator is at rest and closes when the actuator is pressed.
- Connect the appropriate wires to the terminals. Ensure secure connections to prevent loose contacts and potential hazards.
- The contact block is rated for 120V and 8A for AC-15 applications. Verify that the connected circuit's voltage and current do not exceed these ratings.
- Verifica: After wiring, double-check all connections for tightness and correct polarity.
- Ripristino dell'energia: Una volta completata e verificata l'installazione, ripristinare l'alimentazione al circuito.
5. Funzionamento
The ABB MCB-10 Contact Block functions as a Normally Open (NO) contact. When integrated with a compatible actuator (e.g., a push button), pressing the actuator will close the contact, allowing current to flow through the circuit. Releasing the actuator will open the contact, interrupting the circuit.
Ensure the contact block is used within its specified electrical ratings (e.g., 120V, 8A AC-15) to guarantee reliable operation and prevent damage.
6. Manutenzione
The ABB MCB-10 Contact Block is designed for long-term reliability with minimal maintenance. However, periodic inspection is recommended:
- Ispezione visiva: Regularly check the contact block for any signs of physical damage, discoloration, or loose connections.
- Pulizia: If necessary, gently clean the exterior of the contact block with a dry, lint-free cloth. Do not use abrasive cleaners or solvents.
- Verifica della connessione: Periodically verify that all wire connections are secure and tight.
WARNING: Always disconnect power before performing any maintenance or inspection.
7. Risoluzione Dei Problemi
If the contact block is not functioning as expected, consider the following common issues:
- No Circuit Activation:
- Controllare se il circuito riceve corrente.
- Verificare che tutti i collegamenti elettrici siano corretti e sicuri.
- Ensure the actuator (e.g., push button) is properly installed and functioning.
- Inspect the contact block for visible damage.
- Funzionamento intermittente:
- Verificare la presenza di collegamenti allentati dei cavi.
- Ensure the contact block is securely mounted to the control device.
If issues persist, contact qualified electrical personnel or ABB customer support.
8. Specifiche
| Parametro | Valore |
|---|---|
| Numero di modello | MCB-10 |
| Tipo di contatto | 1 Normally Open (1NO) |
| Isolamento nominale Voltage (UI) | 690V |
| Conventional Thermal Current (Ith) | 10A |
| AC-15 Rating (400V) | 4A |
| AC-15 Rating (230V) | 6A |
| AC-15 Rating (120V) | 8A |
| Standard | IEC 60947-5-1, EN 60947-5-1, GB 14048.5 |
| Dimensioni del prodotto | 2 x 4 x 1 pollici; 0.32 once |
| Tipo di montaggio | Montaggio a innesto |
| Materiale | Plastica |
| Colore | Grigio |
| Certificazioni | UL Listed (C US), CE |
9. Garanzia e supporto
For information regarding product warranty, technical support, or service, please contact ABB customer service or visit the official ABB website. Ensure you have your product model number (MCB-10) available when seeking support.
This product is manufactured by ABB.
