# ABB E3N 2500 PR121 P LSI 2500A Circuit Breaker – 4 Pole

The **ABB E3N 2500 PR121 P LSI** circuit breaker, part number 1SDA056137R1, is engineered for superior performance in industrial applications. This robust circuit breaker is designed to protect electrical systems from overloads and short circuits, ensuring operational safety and efficiency. Ideal for demanding environments, it provides reliable power distribution and protection.

This **ABB** circuit breaker features a 2500A current rating and a 4-pole configuration, making it suitable for handling substantial electrical loads. The **PR121** trip unit offers precise protection settings, allowing for customization to meet specific application needs. Its durable construction guarantees longevity and consistent performance under challenging conditions. The **LSI** protection type provides protection against Long Time, Short Time, and Instantaneous faults.

-   **High Current Rating:** Handles up to 2500A, suitable for heavy-duty industrial applications.
-   **4-Pole Design:** Provides comprehensive protection for three-phase electrical systems.
-   **Advanced Protection:** Equipped with a **PR121** trip unit for precise and adjustable protection settings.
-   **Durable Build:** Designed for reliability and longevity in harsh environments.
-   **Enhanced Safety:** Protects against overloads and short circuits to ensure system safety.

**Specifications**

-   Model: E3N 2500
-   Trip Unit: PR121
-   Current Rating: 2500A
-   Poles: 4

Choose the **ABB E3N 2500 PR121 P LSI** circuit breaker for dependable performance in your industrial or automation systems. This circuit breaker combines cutting-edge technology with proven durability. For any inquiries, please contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Breakers > Molded Case Circuit Breakers
- **Tags:** 1SDA056137R1, 2500A, ABB, ABB E3N, circuit breaker, industrial circuit protection

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056137R1 | 999.00 USD | In stock |

## Images

- ABB E3N 2500 PR121 P LSI 2500A Circuit Breaker – 4 Pole-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e3n-2500-pr121-p-lsi)
> Updated: 2026-09-18