Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SBN050200R1000 ABB RC5-2/50 Surge Suppressor Module for Contactors
ABB RC5-2/50 RC surge suppressor for 24-50 V AC contactor coils designed to reduce switching overvoltage and electrical interference.
£14.57
Why Choose the ABB RC5-2/50 Surge Suppressor?
The ABB RC5-2/50 is a compact and reliable RC-type surge suppressor designed to protect AC-operated contactors and contactor relays from voltage spikes generated when inductive loads are switched off. As part of the ABB contactor accessory range, it helps reduce electrical interference, protect connected components and improve the reliability of industrial control systems.
This surge suppressor is designed for direct mounting on compatible ABB contactors, providing a simple and effective solution for limiting coil overvoltages. Its RC suppression technology helps attenuate high-frequency disturbances without introducing operating delays, supporting stable operation in industrial automation environments.
With a 24–50 V AC control circuit voltage range and compatibility with ABB AX50 to AX150, GA75 and UA50 to UA75 contactors, the ABB RC5-2/50 is ideal for motor control panels, contactor assemblies and industrial switching applications where coil surge protection is required.
Key Advantages
- Compact RC surge suppressor designed for ABB contactor coils.
- Reduces coil-generated overvoltage peaks during contactor switching.
- 24–50 V AC control voltage compatibility for industrial applications.
- Fast clipping design enables simple installation without changing contactor dimensions.
- Helps reduce electrical interference affecting sensitive equipment.
- Suitable for ABB block contactors and industrial control systems.
Key Features
- ABB RC5 surge suppressor series.
- RC5-2/50 model.
- RC-type overvoltage suppression technology.
- Rated control circuit voltage 24–50 V AC.
- 50 / 60 Hz control circuit frequency.
- Designed for mounting on ABB contactors and contactor relays.
- Reduces switching disturbances from inductive loads.
- Compact accessory design for industrial panels.
Reliable Protection for Industrial Switching Systems
Surge suppressors such as the ABB RC5-2/50 protect contactor coils by limiting the voltage surges created when electromagnetic energy is released during switching operations. This helps improve equipment reliability and reduce interference within electrical control systems.
The ABB RC5 accessory range provides simple, effective protection solutions for contactors used in industrial automation, motor control and electrical distribution applications.
Typical Applications
- Industrial motor control panels.
- ABB contactor coil protection systems.
- Automation and machine control equipment.
- Motor starters and switching assemblies.
- Industrial electrical distribution systems.
- OEM control panel applications.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Accessory | |
|---|---|---|
| Manufacturer | ABB | |
| Series | RC5 Surge Suppressors | |
| Model | RC5-2/50 | |
| Product ID | 1SBN050200R1000 | |
| Product type | Surge suppressor | |
| Accessory type | Contactor coil suppression device | |
| Suppression technology | RC circuit | |
| Rated control circuit voltage | 24–50 V AC | |
| Frequency | 50 / 60 Hz | |
| Suitable for | AX50, AX65, AX80, AX95, AX115, AX150, GA75, UA50, UA63 and UA75 contactors | |
| Mounting type | Clip-on mounting to contactor | |
| Dimensions (H × W × D) | approx. 10.5 × 30.25 × 32.4 mm | |
| Weight | approx. 0.015 kg | |
| Operating temperature | -20 to +70 °C |
Frequently Asked Questions
What is the ABB RC5-2/50 used for?
This surge suppressor protects ABB AC contactor coils by reducing voltage spikes generated during switching operations.
What voltage range does the RC5-2/50 support?
The ABB RC5-2/50 is designed for 24–50 V AC control circuit voltages.
Which ABB contactors are compatible with the RC5-2/50?
The RC5-2/50 is suitable for ABB AX50 to AX150, GA75 and UA50 to UA75 contactors.
What type of surge protection does this product provide?
The RC5-2/50 uses RC suppression technology to reduce overvoltage peaks and high-frequency disturbances.
Where is this surge suppressor typically installed?
The RC5-2/50 is typically installed directly on ABB contactors inside industrial control panels and automation systems.
Trusted by Automation Engineers Worldwide
ABB contactor accessories are widely used by electrical engineers and machine builders to improve switching reliability, protect control components and maintain dependable operation in industrial environments.
