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ABB rc-eh300/48 surge suppressors
ABB SK829007-A RC-EH300/48 24-48 V AC RC surge suppressor designed to reduce overvoltage surge effects from contactor coil operation in low-voltage control circuits.
Why Choose the ABB SK829007-A RC-EH300/48 Surge Suppressor?
The ABB SK829007-A is a compact and reliable RC surge suppressor designed to reduce overvoltage surge effects caused by contactor coil operation. Identified as RC-EH300/48, this ABB accessory is suitable for use with selected ABB block contactors and helps improve the reliability of low-voltage control circuits.
This surge suppressor is designed for use in industrial control panels, motor control systems and automation equipment where contactor coil switching can generate transient voltage spikes. By suppressing these surges, the SK829007-A helps protect surrounding control components, reduce electrical interference and support stable operation of connected equipment.
With a rated operating range of 24–48 V AC, the ABB RC-EH300/48 is suitable for low-voltage AC coil applications. Its compact design and straightforward fitting make it a practical accessory for panel builders, maintenance engineers and electrical contractors working with ABB contactors and controlgear.
Key Advantages
- Genuine ABB RC-EH300/48 surge suppressor.
- Designed to reduce overvoltage surges from contactor coil operation.
- 24–48 V AC operating range for low-voltage control circuits.
- Suitable for selected ABB block contactors.
- Helps reduce electrical interference in control panels.
- Compact accessory for industrial automation and motor control systems.
Key Features
- ABB RC type surge suppressor.
- Product ID SK829007-A.
- RC-EH300/48 catalogue designation.
- 24–48 V AC coil voltage compatibility.
- Designed for contactor coil surge suppression.
- Suitable for use with ABB block contactors.
- Compact panel accessory format.
- Helps protect control circuits from switching transients.
Reliable Surge Suppression for Contactor Control Circuits
Contactor coils can generate voltage transients when energised or de-energised. Surge suppressors such as the ABB SK829007-A help limit these transient effects, supporting improved reliability for relays, PLC inputs, control electronics and other components within the same electrical panel.
The ABB RC-EH300/48 is designed for industrial environments where stable switching performance and reduced electrical noise are important. It is a practical accessory for motor control centres, machine panels and automation systems using compatible ABB contactors.
Typical Applications
- Industrial control panels.
- Motor control centres.
- ABB contactor coil protection.
- Automation and machinery control systems.
- Relay and PLC control circuits.
- Low-voltage switchgear assemblies.
Technical Specifications
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| Device Type | Surge protection device | |
|---|---|---|
| Manufacturer | ABB | |
| Model | RC-EH300/48 | |
| Product ID | SK829007-A | |
| EAN | 7320500000083 | |
| Product type | RC surge suppressor | |
| Accessory type | Contactor coil surge suppression module | |
| Operating voltage | 24–48 V AC | |
| Suitable for | Selected ABB block contactors | |
| Product class | Low-voltage switchgear accessory | |
| Application | Overvoltage surge reduction from coil operation | |
| Approximate dimensions (W × H × D) | 58 × 205 × 15 mm | |
| Approximate weight | 0.015 kg | |
| Customs tariff number | 85369001 |
Frequently Asked Questions
What is the ABB SK829007-A used for?
The ABB SK829007-A is used to suppress overvoltage surges generated by contactor coil operation in low-voltage control circuits.
What is the catalogue designation for this product?
The catalogue designation is RC-EH300/48.
What voltage range does the ABB SK829007-A support?
The ABB SK829007-A is designed for 24–48 V AC coil applications.
What type of device is the SK829007-A?
It is an RC type surge suppressor designed for use with selected ABB block contactors.
Where is this surge suppressor typically installed?
It is typically installed in electrical control panels, motor control centres and automation systems using compatible ABB contactors.
Trusted by Panel Builders Worldwide
ABB contactor accessories are trusted by panel builders, machine manufacturers and maintenance engineers for reliable switching performance and dependable low-voltage control system protection.
