# ABB E1B 1600 PR121-LSI Circuit Breaker 1SDA055665R1

The **ABB E1B 1600 PR121-LSI 1SDA055665R1** circuit breaker is a robust solution designed for demanding industrial applications. This **circuit breaker** with a 1600A current rating and 3 poles offers superior protection and reliability for your electrical systems. It ensures the smooth operation of machinery and equipment by preventing overloads and short circuits. This product is ideal for electrical systems needing high performance and protection.

This **ABB circuit breaker** is engineered for optimal performance and safety. It is designed to handle heavy loads with ease, ensuring the continuous operation of your industrial processes. The advanced design and technology of this **circuit breaker** provide superior protection, making it an excellent investment for new installations and upgrades. With this **circuit breaker**, you can ensure the safety and reliability of your electrical system.

Key Features:

-   **High Current Rating:** 1600A for handling heavy-duty industrial loads.
-   **3-Pole Design:** Provides comprehensive protection for three-phase systems.
-   **Durable Construction:** Ensures long-lasting performance and reliability in harsh environments.
-   **Advanced Protection:** Safeguards against overloads and short circuits.

Specifications:

-   Current Rating: 1600A
-   Poles: 3
-   Product Code: 1SDA055665R1

Invest in the **ABB E1B 1600 PR121-LSI 1SDA055665R1** circuit breaker to safeguard your industrial operations. This **circuit breaker** from **ABB** offers a reliable and high-performing solution for your industrial automation needs. Contact [Ram Automations](mailto:info@ramautomations.com) for more information.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Industrial Circuit Breakers
- **Tags:** 1600A, 1SDA055665R1, ABB, circuit breaker, electrical protection, industrial

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA055665R1 | 999.00 USD | In stock |

## Images

- ABB E1B 1600 PR121-LSI Circuit Breaker 1SDA055665R1-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e1b-1600-pr121-lsi)
> Updated: 2026-10-03