# E4S 4000 PR121 PLI In 4000A 3p W MP ABB Circuit Breaker

The **E4S 4000 PR121 PLI** In 4000A 3p W MP circuit breaker, manufactured by **ABB**, is engineered for superior electrical system protection. Designed for industrial and commercial applications, this circuit breaker provides reliable performance and ensures the safety of your equipment. It is a critical component for managing and safeguarding electrical distribution networks. This circuit breaker offers dependable protection against overloads and short circuits.

This **ABB E4S 4000 PR121 PLI** circuit breaker features a 4000A current rating and a 3-pole configuration, making it suitable for a wide range of demanding environments. The **MP technology** enhances operational efficiency and dependability. The robust design and advanced features ensure long-lasting performance and consistent protection. This circuit breaker is built to meet the highest industry standards, ensuring the safety and efficiency of your electrical systems.

-   **Reliable Protection**: Protects against overloads and short circuits.
-   **High Current Rating**: 4000A current rating for robust performance.
-   **3-Pole Configuration**: Provides flexibility for various installations.
-   **MP Technology**: Enhances operational efficiency and dependability.
-   **ABB Quality**: Trust in the ABB brand for superior quality and performance.

The **E4S 4000 PR121 PLI** circuit breaker is meticulously designed to meet the rigorous demands of industrial and commercial applications. With its 4000A current rating and 3-pole configuration, this circuit breaker offers unmatched protection and performance. If you're looking for a dependable solution for your electrical protection needs, the **E4S 4000 PR121 PLI** is an excellent choice. Enhance your electrical system's safety and efficiency. For any inquiries, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Breakers > Low Voltage Circuit Breakers
- **Tags:** 3-pole circuit breaker, 4000A circuit breaker, ABB, E4S 4000 PR121 PLI, industrial circuit protection, MP technology circuit breaker

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056800R1 | 999.00 USD | In stock |

## Images

- E4S 4000 PR121 PLI In 4000A 3p W MP ABB Circuit Breaker-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/e4s-4000-pr121-pli-abb)
> Updated: 2026-09-18