# ABB 1SDA059309R1 Circuit Breaker 1000A LSIG – Electrical Protection

The **1000A E2S 1000 PR121 LSIG circuit breaker**, part number **1SDA059309R1**, from ABB is engineered for superior electrical protection in demanding industrial and commercial environments. This 3-pole circuit breaker is designed to provide reliable performance and is a crucial component for safeguarding electrical systems against overcurrents and short circuits. Its advanced LSIG technology ensures precise protection and efficient operation, making it ideal for a wide range of applications.

This **ABB circuit breaker** is built to meet the highest standards of quality and durability. The **1SDA059309R1** model is specifically designed to handle high current loads, ensuring the continuous and safe operation of your electrical equipment. With its robust construction and advanced features, this circuit breaker offers long-lasting performance and peace of mind. Its advanced features and durable construction, this circuit breaker is a smart choice for any application that requires dependable electrical protection.

Key Features:

-   **1000A Current Rating**: Provides robust protection for high-power applications.
-   **LSIG Technology**: Offers advanced protection against short circuits, overloads, and ground faults.
-   **3-Pole Configuration**: Suitable for three-phase electrical systems.
-   **Durable Construction**: Ensures long-lasting reliability and performance.
-   **ABB Quality**: Backed by a leading brand in electrical protection.

Specifications:

-   Model Number: **1SDA059309R1**
-   Current Rating: **1000A**
-   Pole Configuration: 3-Pole
-   Technology: LSIG

Choose the **ABB 1000A E2S 1000 PR121 LSIG circuit breaker** to ensure the safety and efficiency of your electrical systems. This high-performing circuit breaker is a trusted solution for industrial automation and electrical protection needs. Contact us at [info@ramautomations.com](mailto:info@ramautomations.com) for more details and integration support.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Industrial Circuit Breakers
- **Tags:** 1000A, 1SDA059309R1, ABB, circuit breaker, electrical protection, industrial automation, LSIG

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA059309R1 | 999.00 USD | In stock |

## Images

- ABB 1SDA059309R1 Circuit Breaker 1000A LSIG – Electrical Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-1000a-e2s-1000-pr121-lsig)
> Updated: 2026-10-03