# ABB E2B 1600 PR121 LSI Circuit Breaker - 1600A Protection

The ABB E2B 1600 PR121 LSI circuit breaker, with a 1600A current rating and part number 1SDA055793R1, is engineered for superior electrical protection in industrial and commercial applications. This three-phase circuit breaker is essential for safeguarding electrical installations, ensuring both safety and operational efficiency.

This **ABB** circuit breaker is designed to deliver optimal performance in demanding environments. Its robust construction and advanced features provide reliable protection, making it ideal for a wide range of applications. The **PR121 LSI** trip unit offers advanced protection functions. This **1600A** circuit breaker is a critical component for maintaining the integrity of electrical systems.

-   **High Interrupting Capacity**: Ensures reliable protection against overcurrents and short circuits.
-   **Advanced Protection**: Equipped with the **PR121 LSI** trip unit for comprehensive protection.
-   **Durable Design**: Built for long-lasting performance in harsh industrial conditions.
-   **Easy Installation**: Compact design simplifies setup and reduces downtime.

**Specifications**: Current Rating: **1600A**, Poles: 3, Frame: E2B

The **ABB E2B 1600 PR121 LSI** circuit breaker represents a commitment to safety and reliability. Trust in **ABB's** expertise to protect your valuable equipment and ensure the continuous operation of your systems. For all your industrial automation needs, contact [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Molded Case Circuit Breakers
- **Tags:** 1600A, ABB, circuit breaker, E2B, industrial protection, PR121 LSI

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA055793R1 | 999.00 USD | In stock |

## Images

- ABB E2B 1600 PR121 LSI Circuit Breaker - 1600A Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e2b-1600-pr121-lsi)
> Updated: 2026-10-03