# Siemens 3RT2926-1CD00 RC Surge Suppressor for Size S0 Contactors

**URL:** https://aio.lv/en/product--siemens-3rt2926-1cd00--1796098
**Data updated:** 2026-05-18 02:39 (EEST)
**Category:** Home Appliance Accessories
**Manufacturer:** Siemens
**Manufacturer code:** 3RT2926-1CD00
**EAN:** 4011209779389
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Siemens 3RT2926-1CD00 is an RC surge suppressor designed for use with size S0 contactors. This module effectively limits voltage peaks, protecting control circuits and extending the service life of switching components. It features an integrated LED indicator for status monitoring and is suitable for AC voltages from 127V to 240V and DC voltages from 150V to 250V. Ideal for industrial automation and reliable electrical control systems.

## Long description

The Siemens 3RT2926-1CD00 RC surge suppressor is a specialized component engineered to protect control circuits by limiting voltage peaks during the switching of size S0 contactors. By effectively suppressing transient overvoltages, this module helps prevent damage to sensitive electronic components and extends the operational lifespan of your switching equipment. It includes a built-in LED indicator that provides clear visual feedback on the status of the suppressor, ensuring easier maintenance and troubleshooting in industrial environments.
Advantages
This surge suppressor offers significant benefits for industrial automation systems by providing reliable protection against voltage spikes that can occur during contactor operation. Its compact design allows for seamless integration with size S0 contactors, minimizing space requirements within control panels. The inclusion of an LED status indicator simplifies monitoring, allowing technicians to quickly verify the operational state of the device. Furthermore, its robust construction ensures consistent performance across a wide range of AC and DC voltage applications, contributing to the overall stability and longevity of electrical control systems.
Suitable for
Industrial automation and control systems
Protection of PLC outputs and sensitive control electronics
Switching applications involving size S0 contactors
Systems requiring transient voltage suppression for AC and DC circuits
When it may not be suitable
This module is specifically designed for use with Siemens size S0 contactors and may not be compatible with contactors of different sizes or from other manufacturers. It is not intended for use outside of the specified voltage ranges of 127V to 240V AC or 150V to 250V DC.
Key specifications
Compatibility: Size S0 contactors
Voltage range AC: 127V to 240V
Voltage range DC: 150V to 250V
Integrated features: LED status indicator
Function: RC surge suppression
How to use
The surge suppressor is designed for quick and easy installation directly onto the front of the compatible size S0 contactor. Ensure the power supply is disconnected before attempting to mount the module. Align the suppressor with the designated interface on the contactor and press it firmly until it clicks into place. Once installed, the LED indicator will provide visual confirmation of the module's status during operation. Always verify that the control circuit voltage matches the specifications of the suppressor before energizing the system.
What to consider before purchase
Verify that your contactor is a size S0 model
Ensure your control circuit voltage falls within the 127V-240V AC or 150V-250V DC range
Check available space on the contactor front for module mounting
Usage recommendations
Regularly inspect the LED indicator to ensure the surge suppressor is functioning correctly. If the indicator fails to light up during operation, check the electrical connections and verify that the input voltage remains within the specified operating parameters.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/1796098/47501923_large.webp