Model: RC5-1/250 | Part Number: 1SBN050100R1002
This manual provides essential information for the safe and effective installation, operation, and maintenance of the ABB RC5-1/250 Surge Suppressor. Please read this manual thoroughly before using the product and retain it for future reference.
The ABB RC5-1/250 is designed to protect electrical equipment from transient overvoltages, ensuring reliable performance and extending the lifespan of connected devices. It is suitable for use with N, A9...A40, AS, NS series contactors and motor starters.
AVVERTIMENTO: Electrical shock hazard. Installation and maintenance should only be performed by qualified personnel. Disconnect power before installation or servicing.
Observe all local and national electrical codes. Failure to follow these instructions may result in serious injury or death.
The ABB RC5-1/250 is a compact surge suppressor designed for easy integration with ABB control devices. Its primary function is to absorb transient voltage spikes, protecting sensitive electronic components.

Figure 3.1: Top-side view of the ABB RC5-1/250 Surge Suppressor. The image shows the grey rectangular body with two metal prongs extending from the bottom. Markings on the top surface include "ABB", "RC5-1/250", "110-250V~", UL and CE certifications, and "Use with: N, A9...A40, AS, NS".
The RC5-1/250 surge suppressor is designed for simple, direct mounting onto compatible ABB contactors and motor starters.
For detailed diagrams specific to your contactor model, refer to the contactor's instruction manual.
The ABB RC5-1/250 Surge Suppressor operates passively and requires no user interaction once installed. It continuously monitors the control circuit for transient overvoltages and diverts excess energy to protect the connected equipment.
Its operation is automatic and transparent to the user. The suppressor functions as a protective device, activating only when a voltage spike occurs. There are no indicators or controls on the suppressor itself.
The ABB RC5-1/250 Surge Suppressor is a maintenance-free device. Regular inspection of the electrical system it protects is recommended.
Always disconnect power before performing any inspection or maintenance.
The RC5-1/250 is a passive component, and direct troubleshooting is limited. Most issues related to surge protection will manifest in the protected equipment.
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Protected equipment still experiences damage from voltage picchi. |
|
|
| Suppressor appears physically damaged (e.g., cracked casing, burnt marks). | Severe overvoltage event or internal failure. | Immediately disconnect power and replace the suppressor. Do not attempt to repair. |
If issues persist, contact a qualified electrician or ABB technical support.
| Parametro | Valore |
|---|---|
| Numero di modello | RC5-1/250 |
| Numero di parte | 1SBN050100R1002 |
| Marca | FIGURA |
| Volume di eserciziotage | 110-250 V CA, 50/60 Hz |
| Compatibilità | ABB N, A9...A40, AS, NS series contactors/motor starters |
| Tipo di montaggio | Top/Side Mounted |
| Dimensioni del prodotto (L x P x A) | 9.06 x 14.57 x 12.4 inches (Packaging/Shipping dimensions, actual unit is smaller) |
| Peso dell'articolo | 18.3 Pounds (Shipping weight, actual unit is lighter) |
| Certificazioni | UL Listed, CE, EAC |
Note: Product dimensions and weight listed are typically for shipping packaging. The actual suppressor unit is compact.
For information regarding product warranty, please refer to the official ABB warranty policy available on the ABB website or contact your local ABB distributor.
For technical support, product inquiries, or service, please visit the official ABB website or contact ABB customer service through the contact information provided on their website. When contacting support, please have your product model number (RC5-1/250) and part number (1SBN050100R1002) ready.
ABB Ufficiale Websito: www.abb.com
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