# Siemens 3UA50 Thermal Overload Relay - 25A Motor Protection

Protect your motors with the **Siemens 3UA50 Thermal Overload Relay**. This 25A relay safeguards against overloads, preventing damage and ensuring reliable operation in your industrial automation systems. Ideal for motor protection, this relay is a crucial component for maintaining uptime and efficiency.

The **Siemens 3UA50** is designed for systems up to 660V, providing robust protection with its HRC Form II tripping amps and 1NO+1NC auxiliary contacts. Built to German standards, this relay ensures secure connections and reliable performance in demanding environments. It's lightweight and easy to install, making it a practical choice for any setup.

**Key Features:**

-   Provides reliable **overload protection** for motors
-   Features **1NO+1NC auxiliary contacts** for versatile control
-   Designed for systems up to **660V**
-   Lightweight and easy to install
-   Built to meet international standards

**Specifications:**

-   Current Rating: **25A**
-   Maximum Voltage: **660V**
-   Auxiliary Contacts: **1NO+1NC**
-   Tripping Class: **HRC Form II**

Trust the **Siemens 3UA50 Thermal Overload Relay** for dependable motor protection in your industrial automation setup. Ensure the longevity and efficiency of your equipment. Purchase yours today

Also our company name is Ram Automations and also you can contact us on email info@ramautomations.com

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Motor Controls > Thermal Overload Relays
- **Tags:** 25A, 3UA50, control systems, industrial automation, motor protection, overload protection, siemens, thermal overload relay

## Variants

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

## Images

- Siemens 3UA50 Thermal Overload Relay - 25A Motor Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3ua50-thermal-overload-relay-25a)
> Updated: 2026-09-19