ABB RC5-1/250 Surge Suppressor User Manual
Model: RC5-1/250 | Part Number: 1SBN050100R1002
1. Introduction
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.
2. Safety Information
WARNING: 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.
- Ensure the power supply matches the suppressor's voltage rating (110-250V AC, 50/60Hz).
- Do not operate the device if it appears damaged.
- Keep away from water and excessive moisture.
- This product is designed for indoor use in appropriate enclosures.
3. Product Overview
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".
Key Features:
- Voltage Rating: 110-250V AC, 50/60Hz
- Compatibility: Designed for use with ABB N, A9...A40, AS, NS series contactors and motor starters.
- Mounting: Top/Side Mounted
- Protection: Surge suppression for control circuits.
4. Setup and Installation
The RC5-1/250 surge suppressor is designed for simple, direct mounting onto compatible ABB contactors and motor starters.
- Power Disconnection: Ensure all power to the control circuit and associated equipment is disconnected and locked out before beginning installation. Verify with a voltage tester.
- Identify Mounting Location: Locate the designated top or side mounting slots on your ABB N, A9...A40, AS, or NS series contactor or motor starter.
- Insert Suppressor: Align the prongs of the RC5-1/250 suppressor with the corresponding slots on the contactor. Gently push the suppressor firmly into place until it clicks or is securely seated. Ensure a proper electrical connection is made.
- Verify Connection: Visually inspect the installed suppressor to ensure it is flush and securely attached to the contactor.
- Restore Power: Once installation is complete and verified, restore power to the circuit.
For detailed diagrams specific to your contactor model, refer to the contactor's instruction manual.
5. Operating Instructions
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.
6. Maintenance
The ABB RC5-1/250 Surge Suppressor is a maintenance-free device. Regular inspection of the electrical system it protects is recommended.
- Visual Inspection: Periodically inspect the suppressor for any signs of physical damage, discoloration, or loose connections.
- Cleaning: If necessary, gently wipe the exterior with a dry, lint-free cloth. Do not use liquid cleaners or solvents.
- Replacement: If the suppressor shows signs of damage or if the protected equipment experiences repeated surge-related issues, the suppressor may need replacement. Always replace with an identical ABB RC5-1/250 unit.
Always disconnect power before performing any inspection or maintenance.
7. Troubleshooting
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.
| Problem | Possible Cause | Solution |
|---|---|---|
| Protected equipment still experiences damage from voltage spikes. |
|
|
| 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.
8. Specifications
| Parameter | Value |
|---|---|
| Model Number | RC5-1/250 |
| Part Number | 1SBN050100R1002 |
| Brand | ABB |
| Operating Voltage | 110-250V AC, 50/60Hz |
| Compatibility | ABB N, A9...A40, AS, NS series contactors/motor starters |
| Mounting Type | Top/Side Mounted |
| Product Dimensions (L x W x H) | 9.06 x 14.57 x 12.4 inches (Packaging/Shipping dimensions, actual unit is smaller) |
| Item Weight | 18.3 Pounds (Shipping weight, actual unit is lighter) |
| Certifications | UL Listed, CE, EAC |
Note: Product dimensions and weight listed are typically for shipping packaging. The actual suppressor unit is compact.
9. Warranty and Support
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 Official Website: www.abb.com
