# Siemens 3UN2110-0AN7 Thermistor Motor Protection Relay Industrial Automation

Ensure optimal motor performance and longevity with the **Siemens 3UN2110-0AN7** **Thermistor Motor Protection Relay**. This essential component safeguards industrial automation systems against damaging overloads and overheating, providing reliable protection for your valuable equipment. Its compliant design ensures seamless integration into various control systems, offering peace of mind and operational efficiency.

Engineered for demanding industrial environments, the **Siemens 3UN2110-0AN7** features robust construction and precise functionality. It operates effectively within **220-240V 50/60 Hz** power supplies and offers versatile contact configurations including **1 normally open and 1 normally closed contact**. This relay is ideal for applications requiring accurate motor monitoring and protection, making it a critical element in maintaining system integrity. What are the key benefits of this relay? It provides dependable protection to prevent motor failure.

-   **High Reliability**: Protects motors from overload and overheating.
-   **Versatile Application**: Suitable for various industrial automation control systems.
-   **Durable Construction**: Built to last in demanding operational environments.
-   **Flexible Configuration**: Features 1NO + 1NC contacts for adaptable control.
-   **Compliance Standards**: Meets VDE 0660 / IEC34-11 requirements.

### Specifications

**Brand** Siemens  
**Part Number** 3UN2110-0AN7  
**Type** Thermistor Motor Protection Relay Type A  
**Voltage Rating** 220-240V 50/60 Hz  
**Contact Configuration** 1 Normally Open 1 Normally Closed  
**Contact Rating** AC 5A/110V 3A/220V 1.5A/380V DC 3A/24V  
**Weight** 210 gm

Invest in the trusted quality of Siemens for your industrial automation needs. The **Siemens 3UN2110-0AN7** offers superior protection and performance for your motor-driven systems. Contact us today to secure this vital component.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Motor Control > Motor Protection Relays
- **Tags:** 3un21 relay, control systems, electrical components, industrial automation, motor protection, siemens 3un2110-0an7, siemens relay, thermistor motor protection relay

## Variants

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

## Images

- Siemens 3UN2110-0AN7 Thermistor Motor Protection Relay Industrial Automation-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3un2110-0an7-thermistor-motor-protection-relay)
> Updated: 2026-10-03