# ABB E4V 4000 PR121-P-LI Circuit Breaker 4000A 3 Pole

Introducing the powerful **ABB E4V 4000 PR121-P-LI** a robust 3-pole circuit breaker designed for demanding industrial automation applications. This high-performance unit ensures reliable electrical protection and seamless integration into sophisticated control systems. Its advanced design offers superior safety and operational efficiency for critical infrastructure. The **ABB E4V 4000 PR121-P-LI** is engineered to meet stringent industry standards providing peace of mind for professionals managing complex electrical networks. Trust in ABB for unparalleled quality and dependability.

Engineered for exceptional performance the **ABB E4V 4000 PR121-P-LI** operates with a nominal current rating of **In4000A** delivering consistent and stable protection. This circuit breaker is an essential component for safeguarding machinery and power distribution systems against overloads and short circuits. Its precise tripping mechanisms are crucial for maintaining the integrity of automation processes. Ideal for large-scale industrial facilities and marine environments the **ABB E4V 4000 PR121-P-LI** supports advanced electrical infrastructure requirements delivering optimal safety and operational continuity for automation and control applications. For professionals seeking dependable circuit protection solutions this ABB model is a premier choice.

-   **High Current Capacity** Handles up to 4000A for robust protection
-   **Durable Construction** Built for longevity in harsh industrial settings
-   **Enhanced Safety Features** Provides reliable protection against electrical faults
-   **Seamless Integration** Designed for compatibility with various automation systems
-   **ABB Reliability** Backed by the trusted name in electrical engineering

## Specifications

Brand ABB  
Model E4V 4000 PR121-P-LI  
Current Rating In4000A  
Poles 3  
Type F HR

Ensure the uninterrupted operation of your critical systems with the **ABB E4V 4000 PR121-P-LI**. This circuit breaker represents a commitment to safety efficiency and advanced technology essential for modern industrial automation. Invest in reliability and secure your operations by choosing this top-tier ABB component. Contact us today to integrate this essential protection into your setup.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Circuit Protection > Circuit Breakers
- **Tags:** 3 pole breaker, 4000A circuit breaker, ABB automation, ABB circuit breaker, ABB E4V 4000 PR121-P-LI, electrical protection, high current protection, industrial automation, PR121-P-LI

## Variants

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

## Images

- ABB E4V 4000 PR121-P-LI Circuit Breaker 4000A 3 Pole-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-e4v-4000-pr121-p-li-circuit-breaker)
> Updated: 2026-09-21