# ABB E2S 1250 PR121-P LSI Circuit Breaker - 1250A 3-Pole

The **ABB E2S 1250 PR121-P LSI 1SDA055953R1** circuit breaker is a high-performance solution designed for robust electrical protection. This 1250A, 3-pole circuit breaker is engineered to safeguard electrical systems in industrial applications. It is ideal for ensuring the safety and efficiency of power distribution networks.

This **ABB E2S 1250 PR121-P LSI** model provides reliable performance under various operating conditions. This circuit breaker is designed with advanced technology and durable components. The **1SDA055953R1** part number ensures easy identification and procurement. This is a top choice for professionals in the electrical industry. The circuit breaker is essential for maintaining system integrity and operational efficiency.

Key Features:

-   **1250A Current Rating:** Provides robust protection against overcurrents.
-   **3-Pole Configuration:** Offers comprehensive protection for three-phase systems.
-   **LSI Protection:** Includes Long-Time, Short-Time, and Instantaneous trip functions.
-   **ABB Quality:** Ensures reliability and long-term performance.
-   **Easy Installation:** Designed for straightforward integration into existing systems.

Specifications:

-   Current Rating: 1250A
-   Poles: 3
-   Model: E2S 1250 PR121-P LSI
-   Part Number: 1SDA055953R1

The **ABB E2S 1250 PR121-P LSI** circuit breaker delivers exceptional reliability and performance. This product is a trusted choice for industrial and automation systems. Ensure the safety and efficiency of your electrical infrastructure with this high-quality circuit breaker. Contact us at [info@ramautomations.com](mailto:info@ramautomations.com) for more information.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Molded Case Circuit Breakers
- **Tags:** 1250A, 1SDA055953R1, 3-pole, ABB, circuit breaker, E2S 1250, electrical protection, industrial automation, power distribution

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA055953R1 | 999.00 USD | In stock |

## Images

- ABB E2S 1250 PR121-P LSI Circuit Breaker - 1250A 3-Pole-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e2s-1250-pr121-p-lsi)
> Updated: 2026-10-03