# ABB E4V 4000 PR121 PLI Circuit Breaker 4000A 4-Pole

The **ABB E4V 4000 PR121 PLI** circuit breaker is a vital component for safeguarding industrial electrical systems. This robust circuit breaker, with a 4000A current rating and 4 poles, is engineered for demanding applications. Its primary function is to provide reliable protection against overcurrents and short circuits, ensuring the continuous operation of machinery and equipment.

This **ABB** circuit breaker, the **E4V 4000 PR121 PLI**, is designed for longevity and efficiency. It is built to withstand rigorous industrial environments. The **4000A** rating and **4-pole** configuration allow for versatile use. The advanced technology ensures smooth and accurate operation, securing the electrical system. The **F HR** technology provides added protection. It's a smart choice for industrial power distribution.

-   **High Current Rating:** Handles up to 4000A, suitable for heavy-duty applications.
-   **4-Pole Design:** Offers versatile installation and protection options.
-   **HR Technology:** Ensures smooth and precise operation.
-   **ABB Quality:** Built with ABB's renowned reliability and performance.
-   **Industrial Grade:** Designed for demanding industrial environments.

The **E4V 4000 PR121 PLI** circuit breaker from **ABB** offers dependable and efficient protection. Its robust design and high current rating make it ideal for industrial and automation systems. Trust **ABB** to deliver the performance needed for critical applications. Use this reliable circuit breaker in your industrial or automation systems for optimal performance.

For more information, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical Components > Circuit Breakers > Industrial Circuit Breakers
- **Tags:** 4-pole circuit breaker, 4000A, ABB, E4V 4000 PR121 PLI, high current circuit breaker, industrial circuit protection

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New / 1SDA056920R1 | 999.00 USD | In stock |

## Images

- ABB E4V 4000 PR121 PLI Circuit Breaker 4000A 4-Pole-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e4v-4000-pr121-pli)
> Updated: 2026-09-18