# Siemens Sirius 3RV1021-1HA10 Motor Starter Protector

Protect your industrial motors with the reliable **Siemens Sirius 3RV1021-1HA10 Motor Starter Protector**. This essential component is designed to safeguard motors from overloads and short circuits, ensuring smooth and efficient operation across various industrial applications. The **Siemens** brand is synonymous with quality and durability in industrial automation.

The **Siemens Sirius 3RV1021-1HA10** is engineered to meet stringent IEC/EN 60947-2 and IEC/EN 60947-4 standards. This motor starter protector features a dial for Full Load Amps (FLA) adjustment and is suitable for use with 75'C CU wire. The device is known for its robust construction made in Germany. Its Break All Lines functionality provides comprehensive protection for motors, extending their lifespan and minimizing downtime. This listing includes a set of six units, ready to integrate into your industrial system.

Key features include:

-   **Overload Protection**: Prevents motor damage from excessive current.
-   **Short Circuit Protection**: Safeguards against sudden electrical faults.
-   **Adjustable FLA Settings**: Allows for precise calibration to match motor specifications.
-   **Durable Construction**: Ensures long-term reliability in demanding environments.
-   **Easy Installation**: Designed for straightforward integration into existing systems.

**Specifications**: Cat.A/AC-3 rating, Trip Amps at 125%

Ensure the longevity and efficiency of your industrial equipment with the **Siemens Sirius 3RV1021-1HA10 Motor Starter Protector**. Trust in the Siemens reputation for quality and performance. Contact Ram Automations and enhance your automation systems today. For any inquiries, please email us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Motor Protection > Motor Starter
- **Tags:** 3RV1021-1HA10, industrial automation, motor overload protection, motor protection, motor starter protector, Siemens

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 3RV1021-1KA10 / USED | 999.00 USD | In stock |

## Images

- Siemens Sirius 3RV1021-1HA10 Motor Starter Protector-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rv1021-1ha10-motor-protector)
> Updated: 2026-09-22