# ABB E4S 4000 PR121-P-LI Circuit Breaker 4000A 3 Pole

Introducing the **ABB E4S 4000 PR121-P-LI** a high-performance circuit breaker designed for robust industrial automation applications. This **ABB circuit breaker** model ensures reliable power distribution and protection within demanding environments. Its advanced design offers superior safety and operational efficiency making it a crucial component for critical infrastructure. The **PR121-P-LI** series represents ABB's commitment to quality and innovation in electrical protection solutions.

Engineered for industrial use the **ABB E4S 4000 PR121-P-LI** provides exceptional performance in complex control systems. It is built to handle significant electrical loads with its impressive **4000A current rating**. This **3 pole circuit breaker** is suitable for a wide range of automation tasks offering dependable circuit interruption and protection against overcurrents and short circuits. For those seeking advanced protection in their automation setups this **ABB breaker** is an ideal choice.

-   **Reliable Protection**: Offers robust safeguarding for industrial electrical systems.
-   **High Current Capacity**: Features a **4000A rating** for heavy-duty applications.
-   **Durable Construction**: Built to withstand harsh industrial operating conditions.
-   **Efficient Operation**: Ensures smooth and precise circuit interruption.
-   **Advanced Technology**: Incorporates cutting-edge ABB technology for enhanced safety.

Key specifications include a **4000A current rating** and a 3-pole configuration. This model is designed for integration into sophisticated industrial automation and control systems ensuring seamless operation and superior protection.

Choose the **ABB E4S 4000 PR121-P-LI** for unparalleled reliability and performance in your industrial automation projects. Invest in ABB quality for your critical power distribution needs.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Industrial Circuit Breakers
- **Tags:** 3 pole breaker, 4000A circuit breaker, ABB circuit breaker, ABB E4S 4000 PR121-P-LI, electrical protection, industrial automation, PR121-P-LI, Ram Automations

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- ABB E4S 4000 PR121-P-LI Circuit Breaker 4000A 3 Pole-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e4s-4000-pr121-p-li-circuit-breaker)
> Updated: 2026-09-21