# ABB E3S 2500 PR121 PLI Circuit Breaker 2500A 4p F HR

Ensure the robust protection of your industrial electrical systems with the ABB **E3S 2500 PR121 PLI** circuit breaker. Engineered for demanding environments, this 4-pole breaker delivers exceptional reliability and performance, safeguarding critical assets. Its advanced design and substantial 2500A rating make it an indispensable component for maintaining operational continuity and safety in complex automation setups. Trust in the superior engineering of ABB for your most vital power distribution needs.

The **E3S 2500 PR121 PLI** circuit breaker integrates cutting-edge technology to provide unparalleled electrical protection. Designed for advanced industrial automation and control systems, it features the innovative PR121 PLI protection unit ensuring precise fault detection and rapid response. This ensures minimal disruption and protects sensitive equipment from overcurrent and short-circuit events. For applications requiring dependable and high-capacity circuit protection, the **ABB E3S 2500 PR121 PLI** is the definitive choice, offering peace of mind and operational excellence.

-   **High Current Capacity**: Rated for 2500A, suitable for heavy-duty industrial loads.
-   **4-Pole Configuration**: Provides comprehensive protection across all phases.
-   **Advanced PR121 PLI Protection**: Ensures rapid and accurate fault interruption.
-   **Durable ABB Engineering**: Built for long-lasting reliability in harsh environments.
-   **Optimized for Automation**: Seamless integration into modern control systems.

### Specifications

**Brand** ABB  
**Series** E3S  
**Model** E3S 2500 PR121 PLI  
**Part Number** 1SDA056280R1  
**Current Rating** 2500A  
**Poles** 4

When seeking dependable circuit protection for industrial automation, the **ABB E3S 2500 PR121 PLI** stands out for its performance and resilience. Its robust construction and advanced protective functions are designed to meet the stringent demands of modern industry. Invest in the proven quality of ABB to secure your operations and enhance system safety. Discover the difference superior circuit protection makes.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Industrial Circuit Breakers
- **Tags:** 1SDA056280R1, 2500A circuit breaker, 4-pole breaker, ABB circuit breaker, ABB E3S 2500 PR121 PLI, control systems component, electrical safety, industrial automation protection

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056280R1 | 999.00 USD | In stock |

## Images

- ABB E3S 2500 PR121 PLI Circuit Breaker 2500A 4p F HR-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e3s-2500-pr121-pli-2500a-4p-hr)
> Updated: 2026-10-02