# Siemens 3UA7021-1J Overload Relay - 690V AC 10A – Motor Protection

Protect your motors with the **Siemens 3UA7021-1J Overload Relay**. This reliable device ensures your equipment is safe from overloads, enhancing your system's longevity and performance. Ideal for industrial automation, it offers dependable protection for your critical applications.

The **3UA7021-1J** operates up to 690V AC with a 10A current rating. Built to IEC 947 and VDE 0660 standards, it features a tripping current at 125% of the dial setting. Its 1No+1Nc aux contact configuration and 0.4-0.7Nm torque rating provide versatile control in various industrial settings.

-   **Precise Overload Protection**: Ensures equipment safety
-   **High Voltage Compatibility**: Up to 690V AC operation
-   **Durable Construction**: Built to IEC & VDE standards
-   **Versatile Connection**: 1No+1Nc aux contact
-   **Compact Design**: Easy to install and maintain

**Specifications:**  
Voltage: 690V AC  
Current Rating: 10A  
Aux Contact: 1No+1Nc  
Torque: 0.4-0.7Nm  
Weight: 110 gm

Trust **Siemens** for dependable **overload protection**. The **3UA7021-1J Overload Relay** is a robust solution for your industrial automation needs. Secure your equipment 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 > Circuit Protection > Overload Relays
- **Tags:** 10A, 3UA7021-1J, 690V AC, circuit protection, industrial automation, motor protection, overload relay, siemens

## Variants

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

## Images

- Siemens 3UA7021-1J Overload Relay - 690V AC 10A – Motor Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3ua7021-1j-overload-relay)
> Updated: 2026-09-19