# ABB E3N 2500 PR121-LSIG 2500A 4p Circuit Breaker

Protect your industrial electrical systems with the robust **ABB E3N 2500 PR121-LSIG** circuit breaker. This reliable 4-pole circuit breaker, rated for 2500A, is engineered to safeguard your equipment from overloads and short circuits. Ideal for demanding industrial environments, the **ABB E3N 2500 PR121-LSIG** ensures operational safety and minimizes downtime.

This circuit breaker is designed for optimal performance, offering dependable protection for high-current applications. The **PR121-LSIG** trip unit provides advanced protection features, ensuring quick detection and response to electrical faults. With its durable construction and ABB's reputation for quality, the **ABB E3N 2500 PR121-LSIG** is a trusted choice for maintaining the integrity of your electrical infrastructure.

Key Features:

-   **2500A Current Rating**: Handles high currents for heavy-duty applications.
-   **4-Pole Design**: Provides comprehensive protection for three-phase systems.
-   **PR121-LSIG Trip Unit**: Offers advanced protection against overloads and short circuits.
-   **Easy Installation**: MP version simplifies setup and maintenance.
-   **ABB Quality**: Ensures long-lasting reliability and performance.

Specifications:

-   Current Rating: 2500A
-   Poles: 4
-   Model: E3N 2500 PR121-LSIG

Choose the **ABB E3N 2500 PR121-LSIG** for unparalleled protection and performance in your industrial or automation systems. Ensure the safety and efficiency of your operations with this dependable circuit breaker. For any inquiries, please contact us at [info@ramautomations.com](mailto:info@ramautomations.com) Ram Automations.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Breakers > Molded Case Circuit Breakers
- **Tags:** 2500A, 4-pole, ABB, ABB E3N, circuit breaker, electrical protection, industrial, molded case circuit breaker, PR121-LSIG

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056138R1 | 999.00 USD | In stock |

## Images

- ABB E3N 2500 PR121-LSIG 2500A 4p Circuit Breaker-Ram Automations

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