# Siemens 3RU2126-1JB0 Thermal Overload Relay with 230V Contactor

Protect your electrical circuits with the Siemens Ag Sirius Thermal Overload Relay **3RU2126-1JB0**, paired with a robust Contactor. This German-engineered combination ensures reliable protection for a wide range of industrial and automation applications. This relay provides top-tier performance and safety for your critical systems.

This thermal overload relay and contactor set is equipped with a 230V voltage rating and a 50-60Hz frequency. The contactor features an auxiliary contact rated at A600/P600, making it suitable for diverse industrial settings. **Siemens 3RU2126-1JB0** ensures that your electrical systems operate safely and efficiently. It is designed to handle high levels of current without compromising safety.

-   **Comprehensive Protection:** Protects circuits and equipment from overload.
-   **High-Quality Construction:** Manufactured in Germany to meet stringent standards.
-   **Wide Compatibility:** Suitable for various industrial applications.
-   **Optimal Performance:** Delivers reliable operation in demanding conditions.
-   **Enhanced Safety:** Class 10 B600 rating ensures safe handling of high current levels.

**Specifications:** Voltage Rating: 230V. Frequency: 50-60Hz. Auxiliary Contact Rating: A600/P600. Temperature Rating: 75°C. Copper wire compatibility. Part Number: **3RU2126-1JB0**

The **Siemens** Ag Sirius Thermal Overload Relay **3RU2126-1JB0** with Contactor offers a dependable solution for protecting your electrical circuits. Upgrade your industrial or automation system with **Siemens** for superior performance and peace of mind. Contact Ram Automations for your automation needs.  
  
[info@ramautomations.com](mailto:info@ramautomations.com)

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Circuit Protection > Thermal Overload Relay
- **Tags:** 230V, 3RU2126-1JB0, circuit protection, contactor, industrial automation, Siemens, thermal overload relay

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New | 999.00 USD | In stock |

## Images

- Siemens 3RU2126-1JB0 Thermal Overload Relay with 230V Contactor-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/siemens-3ru2126-thermal-overload-relay)
> Updated: 2026-10-04